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FORM 10-K
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
(Mark One)

[x] Annual report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 [Fee Required]

For the fiscal year ended December 31, 1997

OR

[ ] Transition report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 [No Fee Required]

For the transition period from to

Commission File Number 0-18398

Southwest Royalties Institutional Income Fund IX-B, L.P.
(Exact name of registrant as specified in
its limited partnership agreement)

Delaware 75-2274633
(State or other jurisdiction (I.R.S. Employer
of incorporation or organization) Identification No.)

407 N. Big Spring, Suite 300, Midland, Texas 79701
(Address of principal executive office) (Zip Code)

Registrant's telephone number, including area code (915) 686-9927

Securities registered pursuant to Section 12(b) of the Act:

None

Securities registered pursuant to Section 12(g) of the Act:

limited partnership interests

Indicate by check mark whether registrant (1) has filed reports required to
be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934
during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to
such filing requirements for the past 90 days: Yes x No

Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K (229.405 of this chapter) is not contained herein,
and will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by reference in
Part III of this Form 10-K or any amendment to this Form 10-K. [x]

The registrant's outstanding securities consist of Units of limited
partnership interests for which there exists no established public market
from which to base a calculation of aggregate market value.

The total number of pages contained in this report is 44. There is no
exhibit index.


Table of Contents

Item Page

Part I

1. Business 3

2. Properties 7

3. Legal Proceedings 9

4. Submission of Matters to a Vote of Security Holders 9

Part II

5. Market for Registrant's Common Equity and Related
Stockholder Matters 10

6. Selected Financial Data 11

7. Management's Discussion and Analysis of
Financial Condition and Results of Operations 12

8. Financial Statements and Supplementary Data 19

9. Changes in and Disagreements with Accountants
on Accounting and Financial Disclosure 36

Part III

10. Directors and Executive Officers of the Registrant 37

11. Executive Compensation 40

12. Security Ownership of Certain Beneficial Owners and
Management 40

13. Certain Relationships and Related Transactions 42

Part IV

14. Exhibits, Financial Statement Schedules, and Reports
on Form 8-K 43

Signatures 44


Part I


Item 1. Business

General
Southwest Royalties Institutional Income Fund IX-B, L.P. (the "Partnership"
or "Registrant") was organized as a Delaware limited partnership on March
9, 1989. The offering of limited partnership interests began May 11, 1989,
reached the minimum capital requirements on September 26, 1989 and
concluded March 31, 1990. The Partnership has no subsidiaries.

The Partnership has expended its capital and acquired interests in
producing oil and gas properties. After such acquisitions, the Partnership
has produced and marketed the crude oil and natural gas produced from such
properties. In most cases, the Partnership purchased royalty or overriding
royalty interests and working interests in oil and gas properties that were
converted into net profits interests or other nonoperating interests. The
Partnership purchased either all or part of the rights and obligations
under various oil and gas leases.

The principal executive offices of the Partnership are located at 407 N.
Big Spring, Suite 300, Midland, Texas, 79701. The Managing General Partner
of the Partnership, Southwest Royalties, Inc. (the "Managing General
Partner") and its staff of 130 individuals, together with certain
independent consultants used on an "as needed" basis, perform various
services on behalf of the Partnership, including the selection of oil and
gas properties and the marketing of production from such properties. H. H.
Wommack, III, a stockholder, director, President and Treasurer of the
Managing General Partner, is also a general partner. The Partnership has
no employees.

Principal Products, Marketing and Distribution
The Partnership has acquired and holds royalty, overriding royalty and net
profits interests in oil and gas properties located in Texas and New
Mexico. All activities of the Partnership are confined to the continental
United States. All oil and gas produced from these properties is sold to
unrelated third parties in the oil and gas business.

The revenues generated from the Partnership's oil and gas activities are
dependent upon the current market for oil and gas. The prices received by
the Partnership for its oil and gas production depend upon numerous factors
beyond the Partnership's control, including competition, economic,
political and regulatory developments and competitive energy sources, and
make it particularly difficult to estimate future prices of oil and natural
gas.


1997 was another volatile year in the oil market. Prices ranged from a
high of approximately $26 in the first quarter to a low near $18 per
barrel. Two contributing factors that influence the oil industry are the
strength of the economy and activity in the Middle East. Both influenced
the supply and demand of oil, and both played roles in price swings this
year. Economic expansion throughout the world enabled consumption to
surpass 70 million barrels of oil per day. However, early in the year,
producing countries failed to make up the difference in supply, placing
upward pressure on prices. U.S. production fell slightly in 1997 to
average roughly 6.4 million barrels of oil per day. Over the Thanksgiving
weekend, OPEC agreed to increase their crude oil production ceiling by
approximately 10%, but experts have said that many OPEC countries were
already producing beyond their quotas, therefore, capacity is not expected
to expand severely. Then on December 4th, the UN Security Council approved
a renewal of the Iraqi oil-for-food program. The OPEC agreement and the
UN's decision on the oil-for-food program will certainly increase the world
supply of oil and most likely depress prices in the near term. However,
world demand is expected to continue with strong growth in 1998.

The December 31, 1997 NYMEX oil price of $17.64 dropped to $14.32 as of
March 18, 1998. The price decline in the first quarter of 1998 could cause
a material write down in oil and gas properties and a possible reduction in
future distributions to investors.

Overall the 1997 average price of natural gas increased nationwide from the
1996 rates. In some areas the increase was as high as 15%. The 1996 and
1997 average prices are by far the highest realized by the industry since
1985. The 1998 average price is expected to remain above the $2.00 per
MMBTU level, however some early signs indicate that the prices will be
softer in 1998 than they were in 1997. Forecasts for a mild winter and the
lack of gas storage withdrawals are fueling speculation that the U.S. has
an excess supply of gas thus driving the prices down to the early 1996
levels.

Following is a table of the ratios of revenues received from oil and gas
production for the last three years:

Oil Gas

1997 59% 41%
1996 65% 35%
1995 76% 24%

As the table indicates, the majority of the Partnership's revenue is from
its oil production; therefore, Partnership revenues will be highly
dependent upon the future prices and demands for oil.

Seasonality of Business
Although the demand for natural gas is highly seasonal, with higher demand
in the colder winter months and in very hot summer months, the Partnership
has been able to sell all of its natural gas, either through contracts in
place or on the spot market at the then prevailing spot market price. As a
result, the volumes sold by the Partnership have not fluctuated materially
with the change of season.


Customer Dependence
No material portion of the Partnership's business is dependent on a single
purchaser, or a very few purchasers, where the loss of one would have
material adverse impact on the Partnership. One purchaser accounted for
63% of the Partnership's total oil and gas production during 1997:
Phillips 66 Company 63%. One purchaser accounted for 65% of the
Partnership's total oil and gas production during 1996: Phillips 66
Company 65%. Two purchasers accounted for 68% of the Partnership's total
oil and gas production during 1995: Phillips 66 Company and Fina Oil &
Chemical Company, Inc. purchased 50% and 18%, respectively.

All purchasers of the Partnership's oil and gas production are unrelated
third parties. In the event any of these purchasers were to discontinue
purchasing the Partnership's production, the Managing General Partner
believes that a substitute purchaser or purchasers could be located without
undue delay. No other purchaser accounted for an amount equal to or
greater than 10% of the Partnership's sales of oil and gas production.

Competition
Because the Partnership has utilized all of its funds available for the
acquisition of net profits or royalty interests in producing oil and gas
properties, it is not subject to competition from other oil and gas
property purchasers. See Item 2, Properties.

Factors that may adversely affect the Partnership include delays in
completing arrangements for the sale of production, availability of a
market for production, rising operating costs of producing oil and gas and
complying with applicable water and air pollution control statutes,
increasing costs and difficulties of transportation, and marketing of
competitive fuels. Moreover, domestic oil and gas must compete with
imported oil and gas and with coal, atomic energy, hydroelectric power and
other forms of energy.

Regulation

Oil and Gas Production - The production and sale of oil and gas is subject
to federal and state governmental regulation in several respects, such as
existing price controls on natural gas and possible price controls on crude
oil, regulation of oil and gas production by state and local governmental
agencies, pollution and environmental controls and various other direct and
indirect regulation. Many jurisdictions have periodically imposed
limitations on oil and gas production by restricting the rate of flow for
oil and gas wells below their actual capacity to produce and by imposing
acreage limitations for the drilling of wells. The federal government has
the power to permit increases in the amount of oil imported from other
countries and to impose pollution control measures.


Various aspects of the Partnership's oil and gas activities are regulated
by administrative agencies under statutory provisions of the states where
such activities are conducted and by certain agencies of the federal
government for operations on Federal leases. Moreover, certain prices at
which the Partnership may sell its natural gas production are controlled by
the Natural Gas Policy Act of 1978, the Natural Gas Wellhead Decontrol Act
of 1989 and the regulations promulgated by the Federal Energy Regulatory
Commission.

Environmental - The Partnership's oil and gas activities are subject to
extensive federal, state and local laws and regulations governing the
generation, storage, handling, emission, transportation and discharge of
materials into the environment. Governmental authorities have the power to
enforce compliance with their regulations, and violations carry substantial
penalties. This regulatory burden on the oil and gas industry increases
its cost of doing business and consequently affects its profitability. The
Managing General Partner is unable to predict what, if any, effect
compliance will have on the Partnership.

Industry Regulations and Guidelines - Certain industry regulations and
guidelines apply to the registration, qualification and operation of oil
and gas programs in the form of limited partnerships. The Partnership is
subject to these guidelines which regulate and restrict transactions
between the Managing General Partner and the Partnership.

The Partnership complies with these guidelines and the Managing General
Partner does not anticipate that continued compliance will have a material
adverse effect on Partnership operations.

Partnership Employees
The Partnership has no employees; however, the Managing General Partner has
a staff of geologists, engineers, accountants, landmen and clerical staff
who engage in Partnership activities and operations and perform additional
services for the Partnership as needed. In addition to the Managing
General Partner's staff, the Partnership engages independent consultants
such as petroleum engineers and geologists as needed. As of December 31,
1997, there were 130 individuals directly employed by the Managing General
Partner in various capacities.


Item 2. Properties

In determining whether an interest in a particular producing property was
to be acquired, the Managing General Partner considered such criteria as
estimated oil and gas reserves, estimated cash flow from the sale of
production, present and future prices of oil and gas, the extent of
undeveloped and unproved reserves, the potential for secondary, tertiary
and other enhanced recovery projects and the availability of markets.

As of December 31, 1997, the Partnership possessed an interest in oil and
gas properties located in Eddy and Lea Counties of New Mexico; Andrews,
Borden, Cochran, Crane, Ector, Gaines, Garza, Howard, Martin, Midland,
Pecos, Reagan, Schleicher, Stephens, Sterling, Stonewall, Terry, Ward,
Winkler and Yoakum Counties of Texas. These properties consist of various
interests in approximately 340 wells and units.

Due to the Partnership's objective of maintaining current operations
without engaging in the drilling of any developmental or exploratory wells,
or additional acquisitions of producing properties, there has not been any
significant changes in properties during 1997, 1996 and 1995.

Upon a determination by Management that they were either not profitable to
own or Management received an offer that exceeded the leases reserves, the
following leases were sold.

During 1997, there were no property sales.

During 1996, two leases were sold for approximately $259,700. The Rowena
Lane and JP Davis were sold effective February 1996. The Partnership
retained an overriding royalty interest in the JP Davis.

During 1995, five leases were sold for approximately $56,400. The Munn A
#1 was sold effective May 1995, the Barber #1 and Zapalac #1 were sold
effective August 1995; and the Percy Jones and Grayburg were sold effective
November 1995.



Significant Properties
The following table reflects the significant properties in which the
Partnership has an interest:

Date
Purchased No. of Proved Reserves*
Name and Location and Interest Wells Oil (bbls) Gas (mcf)
- ----------------- ------------ ------- ---------- ----------

Phillips/Odessa 1/90 at 6% 56 223,116 718,432
Properties, to 48% net
16 counties in profits
Texas, 3 counties interests
in New Mexico

Long Acquisition 8/90 at 47% 2 7,668 317,430
Lea County, net profits
New Mexico interests

*The reserve estimates were prepared as of January 1, 1998, by Donald R.
Creamer, P.E., an independent registered petroleum engineer. The reserve
estimates were made in accordance with guidelines established by the
Securities and Exchange Commission pursuant to Rule 4-10(a) of Regulation S-
X. Such guidelines require oil and gas reserve reports be prepared under
existing economic and operating conditions with no provisions for price and
cost escalation except by contractual arrangements.

The New York Mercantile Exchange price at December 31, 1997 of $17.64 was
used as the beginning basis for the oil price. Oil price adjustments from
$17.64 per barrel were made in the individual evaluations to reflect oil
quality, gathering and transportation costs. The results are an average
price received at the lease of $16.27 per barrel in the preparation of the
reserve report as of January 1, 1998.

In the determination of the gas price, the New York Mercantile Exchange
price at December 31, 1997 of $2.26 was used as the beginning basis. Gas
price adjustments from $2.26 per Mcf were made in the individual
evaluations to reflect BTU content, gathering and transportation costs and
gas processing and shrinkage. The results are an average price received at
the lease of $1.96 per Mcf in the preparation of the reserve report as of
January 1, 1998.

As also discussed in Part II, Item 7, Management's Discussion and Analysis
of Financial Condition and Results of Operations, oil and gas prices were
subject to frequent changes in 1997.


The evaluation of oil and gas properties is not an exact science and
inevitably involves a significant degree of uncertainty, particularly with
respect to the quantity of oil or gas that any given property is capable of
producing. Estimates of oil and gas reserves are based on available
geological and engineering data, the extent and quality of which may vary
in each case and, in certain instances, may prove to be inaccurate.
Consequently, properties may be depleted more rapidly than the geological
and engineering data have indicated.

Unanticipated depletion, if it occurs, will result in lower reserves than
previously estimated; thus an ultimately lower return for the Partnership.
Basic changes in past reserve estimates occur annually. As new data is
gathered during the subsequent year, the engineer must revise his earlier
estimates. A year of new information, which is pertinent to the estimation
of future recoverable volumes, is available during the subsequent year
evaluation. In applying industry standards and procedures, the new data
may cause the previous estimates to be revised. This revision may increase
or decrease the earlier estimated volumes. Pertinent information gathered
during the year may include actual production and decline rates, production
from offset wells drilled to the same geologic formation, increased or
decreased water production, workovers, and changes in lifting costs, among
others. Accordingly, reserve estimates are often different from the
quantities of oil and gas that are ultimately recovered.

The Partnership has reserves which are classified as proved developed
producing, proved developed non-producing and proved undeveloped. All of
the proved reserves are included in the engineering reports which evaluate
the Partnership's present reserves.

Because the Partnership does not engage in drilling activities, the
development of proved undeveloped reserves is conducted pursuant to farm-
out arrangements with the Managing General Partner or unrelated third
parties. Generally, the Partnership retains a carried interest such as an
overriding royalty interest under the terms of a farm-out, or receives
cash.

The Partnership or the owners of properties in which the Partnership owns
an interest can engage in workover projects or supplementary recovery
projects, for example, to extract behind the pipe reserves which qualify as
proved developed non-producing reserves. See Part II, Item 7, Management's
Discussion and Analysis of Financial Condition and Results of Operations.

Item 3. Legal Proceedings

There are no material pending legal proceedings to which the Partnership is
a party.

Item 4. Submission of Matters to a Vote of Security Holders

No matter was submitted to a vote of security holders during the fourth
quarter of 1997 through the solicitation of proxies or otherwise.


Part II


Item 5. Market for the Registrant's Common Equity and Related Stockholder
Matters

Market Information
Limited partnership interests, or units, in the Partnership were initially
offered and sold for a price of $500. Limited partner units are not traded
on any exchange and there is no public or organized trading market for
them. The Managing General Partner has become aware of certain limited and
sporadic transfers of units between limited partners and third parties, but
has no verifiable information regarding the prices at which such units have
been transferred. Further, a transferee may not become a substitute
limited partner without the consent of the Managing General Partner.

The Managing General Partner has the right, but not the obligation, to
purchase limited partnership units should an investor desire to sell. The
value of the unit is determined by adding the sum of (1) current assets
less liabilities and (2) the present value of the future net revenues
attributable to proved reserves and by discounting the future net revenues
at a rate not in excess of the prime rate charged by NationsBank, N.A. of
Midland, Texas plus one percent (1%), which value shall be further reduced
by a risk factor discount of no more than one-third (1/3) to be determined
by the Managing General Partner in its sole and absolute discretion. In
1997, 33 limited partner units were tendered to and purchased by the
Managing General Partner at an average base price of $100.36 per unit. In
1996, 40 limited partner units were tendered to and purchased by the
Managing General Partner at an average base price of $80.66 per unit. In
1995, no limited partner units were tendered to and purchased by the
Managing General Partner.

Number of Limited Partner Interest Holders
As of December 31, 1997, there were 622 holders of limited partner units in
the Partnership.

Distributions
Pursuant to Article IV, Section 4.01 of the Partnership's Certificate and
Agreement of Limited Partnership "Net Cash Flow" is distributed to the
partners on a monthly basis. "Net Cash Flow" is defined as "the cash
generated by the Partnership's investments in producing oil and gas
properties, less (i) General and Administrative Costs, (ii) Operating
Costs, and (iii) any reserves necessary to meet current and anticipated
needs of the Partnership, as determined in the sole discretion of the
Managing General Partner."


During 1997, twelve monthly distributions were made totaling $416,500, with
$374,850 distributed to the limited partners and $41,650 to the general
partners. For the year ended December 31, 1997, distributions of $38.32
per limited partner unit were made, based upon 9,782 limited partner units
outstanding. During 1996, twelve monthly distributions were made totaling
$549,668, with $496,568 distributed to the limited partners and $53,100 to
the general partners. For the year ended December 31, 1996, distributions
of $50.76 per limited partner unit were made, based upon 9,782 limited
partner units outstanding. For the year ended December 31, 1995, twelve
monthly distributions were made totaling $246,193 with $223,073 distributed
to the limited partners and $23,120 to the general partners. For the year
ended December 31, 1995, distributions of $22.80 per limited partner unit
were made, based upon 9,782 limited partner units outstanding.

Item 6. Selected Financial Data

The following selected financial data for the years ended December 31,
1997, 1996, 1995, 1994 and 1993 should be read in conjunction with the
financial statements included in Item 8:

Years ended December 31,
---------------------------------------------------------
1997 1996 1995 1994 1993
---- ---- ---- ---- ----
Revenues $ 444,601 418,342 280,264 363,460 547,416

Net income 249,950 266,067 44,550 54,149 75,679

Partners' share of
net income:

General partners 36,795 34,107 20,055 28,025 46,328

Limited partners 213,155 231,960 24,495 26,124 29,351

Limited partners'
net income
per unit 21.79 23.71 2.50 2.67 3.00

Limited partners'
cash distributions
per unit 38.32 50.76 22.80 32.68 83.33

Total assets $ 926,056 1,092,739 1,376,416 1,578,681 1,877,764


Item 7. Management's Discussion and Analysis of Financial Condition and
Results of Operations

General
The Partnership was formed to acquire nonoperating interests in producing
oil and gas properties, to produce and market crude oil and natural gas
produced from such properties and to distribute any net proceeds from
operations to the general and limited partners. Net revenues from
producing oil and gas properties are not reinvested in other revenue
producing assets except to the extent that producing facilities and wells
are reworked or where methods are employed to improve or enable more
efficient recovery of oil and gas reserves. The economic life of the
Partnership thus depends on the period over which the Partnership's oil and
gas reserves are economically recoverable.

Increases or decreases in Partnership revenues and, therefore,
distributions to partners will depend primarily on changes in the prices
received for production, changes in volumes of production sold, lease
operating expenses, enhanced recovery projects, offset drilling activities
pursuant to farm-out arrangements and on the depletion of wells. Since
wells deplete over time, production can generally be expected to decline
from year to year.

Well operating costs and general and administrative costs usually decrease
with production declines; however, these costs may not decrease
proportionately. Net income available for distribution to the limited
partners is therefore expected to fluctuate in later years based on these
factors.

Based on current conditions, management anticipates performing workovers
during the next year to enhance production. The Partnership may undergo an
increase in 1998. Thereafter, the Partnership could possibly experience a
normal decline of 8% to 10% per year.



Results of Operations

A. General Comparison of the Years Ended December 31, 1997 and 1996

The following table provides certain information regarding performance
factors for the years ended December 31, 1997 and 1996:

Year Ended Percentage
December 31, Increase
1997 1996 (Decrease)
---- ---- ---------

Average price per barrel of oil $ 18.40 21.43 (14%)
Average price per mcf of gas $ 2.03 2.07 (2%)
Oil production in barrels 30,000 29,000 3%
Gas production in mcf 186,900 163,800 14%
Income from net profits interests $ 442,606 414,279 7%
Partnership distributions $ 416,500 549,668 (25%)
Limited partner distributions $ 374,850 496,568 (25%)
Per unit distribution to limited partners $ 38.32 50.76 (25%)
Number of limited partner units 9,782 9,782

Revenues

The Partnership's income from net profits interests increased to $442,606
from $414,279 for the years ended December 31, 1997 and 1996, respectively,
an increase of 7%. The principal factors affecting the comparison of the
years ended December 31, 1997 and 1996 are as follows:

1. The average price for a barrel of oil received by the Partnership
decreased during the year ended December 31, 1997 as compared to the
year ended December 31, 1996 by 14%, or $3.03 per barrel, resulting in
a decrease of approximately $87,900 in income from net profits
interests. Oil sales represented 59% of total oil and gas sales during
the year ended December 31, 1997 as compared to 65% during the year
ended December 31, 1996.

The average price for an mcf of gas received by the Partnership
decreased during the same period by 2%, or $.04 per mcf, resulting in a
decrease of approximately $6,600 in income from net profits interests.

The total decrease in income from net profits interests due to the
change in prices received from oil and gas production is approximately
$94,500 . The market price for oil and gas has been extremely volatile
over the past decade and management expects a certain amount of
volatility to continue in the foreseeable future.



2. Oil production increased approximately 1,000 barrels or 3% during the
year ended December 31, 1997 as compared to the year ended December 31,
1996, resulting in an increase of approximately $18,400 in income from
net profits interests.

Gas production increased approximately 23,100 mcf or 14% during the
same period, resulting in an increase of approximately $46,900 in
income from net profits interests.

The total increase in income from net profits interests due to the
change in production is approximately $65,300. The increase in
production is primarily due to the operation of a well in 1997 that was
not producing in 1996.

3. Lease operating costs and production taxes were 11% lower, or
approximately $57,800 less during the year ended December 31, 1997 as
compared to the year ended December 31, 1996. The decrease is in part
due to the sale of two wells and pulling expenses on two wells incurred
in 1996.

Costs and Expenses

Total costs and expenses increased to $194,651 from $152,275 for the years
ended December 31, 1997 and 1996, respectively, an increase of 28%. The
increase is the result of higher depletion expense.

1. General and administrative costs consists of independent accounting and
engineering fees, computer services, postage, and Managing General
Partner personnel costs. General and administrative costs decreased 1%
or approximately $600 during the year ended December 31, 1997 as
compared to the year ended December 31, 1996.

2. Depletion expense increased to $118,000 for the year ended December
31, 1997 from $75,000 for the same period in 1996. This represents an
increase of 57%. Depletion is calculated using the units of revenue method
of amortization based on a percentage of current period gross revenues to
total future gross oil and gas revenues, as estimated by the Partnership's
independent petroleum consultants.

A contributing factor to the increase in depletion expense between the
comparative periods was the decrease in the price of oil and gas used
to determine the Partnership's reserves for January 1, 1998 as compared
to 1997. Another contributing factor was due to the impact of
revisions of previous estimates on reserves. Revisions of previous
estimates can be attributed to the changes in production performance,
oil and gas price and production costs. The impact of the revision
would have increased depletion expense approximately $31,000 as of
December 31, 1996.



Results of Operations

B. General Comparison of the Years Ended December 31, 1996 and 1995

The following table provides certain information regarding performance
factors for the years ended December 31, 1996 and 1995:

Year Ended
Percentage
December 31,
Increase
1996 1995 (Decrease)
---- ---- ----------
Average price per barrel of oil $ 21.43 15.39 39%
Average price per mcf of gas $ 2.07 1.17 77%
Oil production in barrels 29,000 41,900 (31%)
Gas production in mcf 163,800 177,800 (8%)
Income from net profits interests $ 414,279 278,954 49%
Partnership distributions $ 549,668 246,193 123%
Limited partner distributions $ 496,568 223,073 123%
Per unit distribution to limited
partners $ 50.76 22.80 123%
Number of limited partner units 9,782 9,782

Revenues

The Partnership's income from net profits interests increased to $414,279
from $278,954 for the years ended December 31, 1996 and 1995, respectively,
an increase of 49%. The principal factors affecting the comparison of the
years ended December 31, 1996 and 1995 are as follows:

1. The average price for a barrel of oil received by the Partnership
increased during the year ended December 31, 1996 as compared to the
year ended December 31, 1995 by 39%, or $6.04 per barrel, resulting in
an increase of approximately $253,100 in income from net profits
interests. Oil sales represented 65% of total oil and gas sales during
the year ended December 31, 1996 as compared to 76% during the year
ended December 31, 1995.

The average price for an mcf of gas received by the Partnership
increased during the same period by 77%, or $.90 per mcf, resulting in
an increase of approximately $160,000 in income from net profits
interests.

The total increase in income from net profits interests due to the
change in prices received from oil and gas production is approximately
$413,100. The market price for oil and gas has been extremely volatile
over the past decade, and management expects a certain amount of
volatility to continue in the foreseeable future.


2. Oil production decreased approximately 12,900 barrels or 31% during the
year ended December 31, 1996 as compared to the year ended December 31,
1995, resulting in a decrease of approximately $276,400 in income from
net profits interests.

Gas production decreased approximately 14,000 mcf or 8% during the same
period, resulting in a decrease of approximately $29,000 in income from
net profits interests.

The total decrease in income from net profits interests due to the
change in production is approximately $305,400. The decrease is
primarily a result of property sales, a well being shut-in during 1996
and scale damage to two wells.

3. Lease operating costs and production taxes were 5% lower, or
approximately $28,300 less during the year ended December 31, 1996 as
compared to the year ended December 31, 1995.

Costs and Expenses

Total costs and expenses decreased to $152,275 from $235,714 for the years
ended December 31, 1996 and 1995, respectively, a decrease of 35%. The
decrease is the result of lower general and administrative expense and
depletion expense.

1. General and administrative costs consists of independent accounting and
engineering fees, computer services, postage, and Managing General
Partner personnel costs. General and administrative costs decreased 3%
or approximately $2,400 during the year ended December 31, 1996 as
compared to the year ended December 31, 1995.

2. Depletion expense decreased to $75,000 for the year ended December 31,
1996 from $156,000 for the same period in 1995. This represents a
decrease of 52%. Depletion is calculated using the units of revenue
method of amortization based on a percentage of current period gross
revenues to total future gross oil and gas revenues, as estimated by
the Partnership's independent petroleum consultants.

A contributing factor to the decline in depletion expense between the
comparative periods was the increase in the price of oil and gas used
to determine the Partnership's reserves for January 1, 1997 as compared
to 1996. Another contributing factor was due to the impact of
revisions of previous estimates on reserves. Revisions of previous
estimates can be attributed to the changes in production performance,
oil and gas price and production costs. The impact of the revision
would have decreased depletion expense approximately $38,000 as of
December 31, 1995.


C. Revenue and Distribution Comparison

Partnership net income for the years ended December 31, 1997, 1996 and 1995
was $249,950, $266,067 and $44,550, respectively. Excluding the effects of
depreciation, depletion and amortization, net income for the years ended
December 31, 1997, 1996 and 1995 would have been $367,950, $341,067 and
$200,550, respectively. Correspondingly, Partnership distributions for the
years ended December 31, 1997, 1996 and 1995 were $416,500, $549,668 and
$246,193. These differences are indicative of the changes in oil and gas
prices, production and properties during 1997, 1996 and 1995.

The source for the 1997 distributions of $416,500 were oil and gas
operations of approximately $433,100, resulting in excess cash for
contingencies or subsequent distributions. The sources for the 1996
distributions of $549,668 were oil and gas operations of approximately
$266,100 and property sales of approximately $259,900, with the balance
from available cash on hand at the beginning of the period. The sources
for the 1995 distributions of $246,193 were oil and gas operations of
approximately $211,100 and property sales of approximately $56,200,
resulting in excess cash for contingencies or subsequent distributions.

Total distributions during the year ended December 31, 1997 were $416,500
of which $374,850 was distributed to the limited partners and $41,650 to
the general partners. The per unit distribution to limited partners during
the same period was $38.32. Total distributions during the year ended
December 31, 1996 were $549,668 of which $496,568 was distributed to the
limited partners and $53,100 to the general partners. The per unit
distribution to limited partners during the same period was $50.76. Total
distributions during the year ended 1995 were $246,193 of which $223,073
was distributed to the limited partners and $23,120 to the general
partners. The per unit distribution to limited partners during the same
period was $22.80.

Since inception of the Partnership, cumulative monthly cash distributions
of $5,291,706 have been made to the partners. As of December 31, 1997,
$4,799,762 or $490.67 per limited partner unit, has been distributed to the
limited partners, representing a 98% return of the capital contributed.


Liquidity and Capital Resources

The primary source of cash is from operations, the receipt of income from
interests in oil and gas properties. The Partnership knows of no material
change, nor does it anticipate any such change in 1997.

The December 31, 1997 NYMEX oil price of $17.64 dropped to $14.32 as of
March 18, 1998. The price decline in the first quarter of 1998 could cause
a material write down in oil and gas properties and a possible reduction in
future distributions to investors.

Cash flows provided by operating activities were approximately $433,100 in
1997 compared to $266,100 in 1996 and approximately $211,100 in 1995. The
primary sources of the 1997 cash flow from operating activities were
profitable operations.

The Partnership had no cash flows from investing activities in 1997. Cash
flow provided by investing activities were approximately $259,900 in 1996
compared to $56,200 in 1995. The principal source of the 1997 cash flow
from investing activities was the sale of oil and gas properties.

Cash flows used in financing activities were approximately $416,600 in 1997
compared to $549,700 in 1996 and approximately $246,200 in 1995. The only
use in financing activities was the distributions to partners.

As of December 31, 1997, the Partnership had approximately $113,100 in
working capital. The Managing General Partner knows of no unusual
contractual commitments and believes the revenues generated from operations
are adequate to meet the needs of the Partnership.

Information Systems for the Year 2000

The Managing General Partner provides all data processing needs of the
Partnership. The Managing General Partner has reviewed and evaluated its
information systems to determine if its systems accurately process data
referencing the year 2000. Primarily all necessary programming
modifications to correct year 2000 referencing in the Managing General
Partners internal accounting and operating systems have been made to-date.
However the Managing General Partner has not completed its evaluation of
its vendors and suppliers systems to determine the effect, if any, the non-
compliance of such systems would have on the operation of the Managing
General Partnership or the operations of the Partnership.



Item 8. Financial Statements and Supplementary Data

Index to Financial Statements

Page

Independent Auditors Reports 20

Balance Sheets 22

Statements of Operations 23

Statement of Changes in Partners' Equity 24

Statements of Cash Flows 25

Notes to Financial Statements 27











INDEPENDENT AUDITORS REPORT

The Partners
Southwest Royalties Institutional
Income Fund IX-B, L.P.
(A Delaware Limited Partnership):


We have audited the accompanying balance sheet of Southwest Royalties
Institutional Income Fund IX-B, L.P. (the "Partnership") as of December 31,
1997, and the related statement of operations, changes in partners' equity
and cash flows for the year then ended. These financial statements are the
responsibility of the Partnership's management. Our responsibility is to
express an opinion on these financial statements based on our audit.

We conducted our audit in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free
of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating
the overall financial statement presentation. We believe that our audit
provides reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Southwest Royalties
Institutional Income Fund IX-B, L.P. as of December 31, 1997 and the
results of its operations and its cash flows for the year then ended in
conformity with generally accepted accounting principles.



KPMG Peat Marwick LLP



Midland, Texas
March 18, 1998











REPORT OF INDEPENDENT ACCOUNTANTS


To the Partners
Southwest Royalties Institutional
Income Fund IX-B, L.P.
Midland, Texas

We have audited the accompanying balance sheet of Southwest Royalties
Institutional Income Fund IX-B, L.P. as of December 31, 1996, and the
related statements of operations, changes in partners' equity and cash
flows for the years ended December 31, 1996 and 1995. These financial
statements are the responsibility of the partnership's management. Our
responsibility is to express an opinion on these financial statements based
on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free
of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as evaluating
the overall financial statement presentation. We believe that our audits
provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Southwest Royalties
Institutional Income Fund IX-B, L.P. as of December 31, 1996, and the
results of its operations and its cash flows for the years ended
December 31, 1996 and 1995, in conformity with generally accepted
accounting principles.


JOSEPH DECOSIMO AND COMPANY
A Tennessee Registered Limited Liability
Partnership


Chattanooga, Tennessee
March 14, 1997


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Balance Sheets
December 31, 1997 and 1996


1997 1996
---- ----

Assets

Current assets:
Cash and cash equivalents $ 29,956 13,489
Receivable from Managing General Partner 83,386 148,536

- --------- ---------
Total current assets
113,342 162,025

- --------- ---------
Oil and gas properties - using the full-
cost method of accounting 3,286,714 3,286,714
Less accumulated depreciation,
depletion and amortization
2,474,000 2,356,000

- --------- ---------
Net oil and gas properties
812,714 930,714

- --------- ---------
$
926,056 1,092,739

========= =========
Liabilities and Partners' Equity

Current liability - Distribution payable $ 245 378

- --------- ---------
Partners' equity:
General partners (49,134) (44,279)
Limited partners 974,945 1,136,640

- --------- ---------
Total partners' equity
925,811 1,092,361

- --------- ---------
$
926,056 1,092,739

========= =========























The accompanying notes are an integral
part of these financial statements.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Statements of Operations
Years ended December 31, 1997, 1996 and 1995


1997 1996 1995
---- ---- ----
Revenues

Income from net profits interests $ 442,606 414,279 278,954
Interest 1,995 4,063 1,310
-------
- ------- -------
444,601
418,342 280,264
-------
- ------- -------
Expenses

General and administrative 76,651 77,275 79,714
Depreciation, depletion and amortization 118,000 75,000 156,000
-------
- ------- -------
194,651
152,275 235,714
-------
- ------- -------
Net income $ 249,950 266,067 44,550
=======
======= =======

Net income allocated to:

Managing General Partner $ 33,116 30,696 18,049
=======
======= =======
General Partner $ 3,679 3,411 2,006
=======
======= =======
Limited partners $ 213,155 231,960 24,495
=======
======= =======
Per limited partner unit $ 21.79 23.71 2.50
=======
======= =======


























The accompanying notes are an integral
part of these financial statements.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Statement of Changes in Partners' Equity
Years ended December 31, 1997, 1996 and 1995


General Limited
Partners Partners Total
-------- -------- -----

Balance at December 31, 1994 $ (22,221) 1,599,826 1,577,605

Net income 20,055 24,495 44,550

Distributions (23,120) (223,073) (246,193)
-------
- --------- ---------
Balance at December 31, 1995 (25,286) 1,401,248 1,375,962

Net income 34,107 231,960 266,067

Distributions (53,100) (496,568) (549,668)
-------
- --------- ---------
Balance at December 31, 1996 (44,279) 1,136,640 1,092,361

Net income 36,795 213,155 249,950

Distributions (41,650) (374,850) (416,500)
-------
- --------- ---------
Balance at December 31, 1997 $ (49,134) 974,945 925,811
=======
========= ========































The accompanying notes are an integral
part of these financial statements.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Statements of Cash Flows
Years ended December 31, 1997, 1996 and 1995


1997 1996 1995
---- ---- ----

Cash flows from operating activities:

Cash received from net profits interests $ 507,756 339,344 290,135
Cash paid to Managing General Partner
for administrative fees and general
and administrative overhead
(76,651) (77,281)(80,363)
Interest received 1,995 4,063 1,310
--------
- -------- --------
Net cash provided by operating activities 433,100 266,126
211,082
--------
- -------- --------
Cash flows provided by investing activities:

Sale of oil and gas properties - 259,892 56,215
--------
- -------- --------
Cash flows used in financing activities:

Distributions to partners (416,633) (549,744)(246,160)
--------
- -------- --------
Net increase (decrease) in cash and
cash equivalents 16,467 (23,726) 21,137

Beginning of year 13,489 37,215 16,078
--------
- -------- --------
End of year $ 29,956 13,489 37,215
========
======== ========


(continued)

























The accompanying notes are an integral
part of these financial statements.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Statements of Cash Flows, continued
Years ended December 31, 1997, 1996 and 1995


1997 1996 1995
---- ---- ----

Reconciliation of net income to net cash
provided by operating activities:

Net income $ 249,950 266,067 44,550

Adjustments to reconcile net income to net
cash provided by operating activities:

Depreciation, depletion and amortization 118,000 75,000
156,000
(Increase) decrease in receivables 65,150 (74,935) 11,187
Decrease in payables - (6) (655)
-------
- ------- -------
Net cash provided by operating activities $ 433,100 266,126 211,082
=======
======= =======

Supplemental schedule of noncash investing
and financing activities:

Sale of oil and gas properties included in
receivable from Managing General Partner $ - -
159
































The accompanying notes are an integral
part of these financial statements.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


1. Organization
Southwest Royalties Institutional Income Fund IX-B, L.P. was organized
under the laws of the state of Delaware on March 9, 1989, for the
purpose of acquiring producing oil and gas properties and to produce
and market crude oil and natural gas produced from such properties
for a term of 50 years, unless terminated at an earlier date as
provided for in the Partnership Agreement. The Partnership sells its
oil and gas production to a variety of purchasers with the prices it
receives being dependent upon the oil and gas economy. Southwest
Royalties, Inc. serves as the Managing General Partner and
H. H. Wommack, III, as the individual general partner. Revenues,
costs and expenses are allocated as follows:

Limited General
Partners Partners
-------- --------

Oil and gas sales 90% 10%
Interest income on capital contributions 100% -
All other revenues 90% 10%
Organization and offering costs (1) 100% -
Syndication costs 100% -
Amortization of organization costs 100% -
Property acquisition costs 100% -
Gain/loss on property disposition 90% 10%
Operating and administrative costs (2) 90% 10%
Depreciation, depletion and amortization
of oil and gas properties 100% -
All other costs 90% 10%

(1) All organization costs in excess of 3% of initial capital
contributions will be paid by the Managing General Partner and
will be treated as a capital contribution. The Partnership paid
the Managing General Partner an amount equal to 3% of initial
capital contributions for such organization costs.

(2) Administrative costs in any year which exceed 2% of capital
contributions shall be paid by the Managing General Partner and
will be treated as a capital contribution.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


2. Summary of Significant Accounting Policies

Oil and Gas Properties
Oil and gas properties are accounted for at cost under the full-cost
method. Under this method, all productive and nonproductive costs
incurred in connection with the acquisition, exploration and
development of oil and gas reserves are capitalized. Gain or loss on
the sale of oil and gas properties is not recognized unless
significant oil and gas reserves are involved.

The Partnership's policy for depreciation, depletion and amortization
of oil and gas properties is computed under the units of revenue
method. Under the units of revenue method, depreciation, depletion
and amortization is computed on the basis of current gross revenues
from production in relation to future gross revenues, based on current
prices, from estimated production of proved oil and gas reserves.

Under the units of revenue method, the Partnership computes the
provision by multiplying the total unamortized cost of oil and gas
properties by an overall rate determined by dividing (a) oil and gas
revenues during the period by (b) the total future gross oil and gas
revenues as estimated by the Partnership's independent petroleum
consultants. It is reasonably possible that those estimates of
anticipated future gross revenues, the remaining estimated economic
life of the product, or both could be changed significantly in the
near term due to the potential fluctuation of oil and gas prices or
production. The depletion estimate would also be affected by this
change.

Should the net capitalized costs exceed the estimated present value of
oil and gas reserves, discounted at 10%, such excess costs would be
charged to current expense. As of December 31, 1997, 1996 and 1995,
the net capitalized costs did not exceed the estimated present value
of oil and gas reserves.

The Partnership's interest in oil and gas properties consists of net
profits interests in proved properties located within the continental
United States. A net profits interest is created when the owner of a
working interest in a property enters into an arrangement providing
that the net profits interest owner will receive a stated percentage
of the net profit from the property. The net profits interest owner
will not otherwise participate in additional costs and expenses of the
property.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


2. Summary of Significant Accounting Policies - continued

Estimates and Uncertainties
The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the
date of the financial statements and the reported amounts of revenues
and expenses during the reporting period. Actual results could differ
from those estimates.

Syndication Costs
Syndication costs are accounted for as a reduction of partnership
equity.

Environmental Costs
The Partnership is subject to extensive federal, state and local
environmental laws and regulations. These laws, which are constantly
changing, regulate the discharge of materials into the environment and
may require the Partnership to remove or mitigate the environmental
effects of the disposal or release of petroleum or chemical substances
at various sites. Environmental expenditures are expensed or
capitalized depending on their future economic benefit. Costs which
improve a property as compared with the condition of the property when
originally constructed or acquired and costs which prevent future
environmental contamination are capitalized. Expenditures that relate
to an existing condition caused by past operations and that have no
future economic benefits are expensed. Liabilities for expenditures
of a non-capital nature are recorded when environmental assessment
and/or remediation is probable, and the costs can be reasonably
estimated.

Gas Balancing
The Partnership utilizes the sales method of accounting for gas-
balancing arrangements. Under this method the Partnership recognizes
sales revenue on all gas sold. As of December 31, 1997, 1996 and
1995 the Partnership was overproduced by 360, 951 and 5,990 mcf of
gas, respectively.

Income Taxes
No provision for income taxes is reflected in these financial
statements, since the tax effects of the Partnership's income or loss
are passed through to the individual partners.

In accordance with the requirements of Statement of Financial
Accounting Standards No. 109, "Accounting for Income Taxes, the
Partnership's tax basis in its net oil and gas properties at December
31, 1997 and 1996 is $15,520 and $58,817, respectively, more than that
shown on the accompanying Balance Sheets in accordance with generally
accepted accounting principles.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


2. Summary of Significant Accounting Policies - continued

Cash and Cash Equivalents
For purposes of the statement of cash flows, the Partnership considers
all highly liquid debt instruments purchased with a maturity of three
months or less to be cash equivalents. The Partnership maintains its
cash at one financial institution.

Number of Limited Partner Units
As of December 31, 1997, 1996 and 1995, there were 9,782 limited
partner units outstanding held by 622 partners.

Concentrations of Credit Risk
The Partnership is subject to credit risk through trade receivables.
Although a substantial portion of its debtors' ability to pay is
dependent upon the oil and gas industry, credit risk is minimized due
to a large customer base. All partnership revenues are received by
the Managing General Partner and subsequently remitted to the
partnership and all expenses are paid by the Managing General Partner
and subsequently reimbursed by the partnership.

Fair Value of Financial Instruments
The carrying amount of cash and accounts receivable approximates fair
value due to the short maturity of these instruments.

Recent Accounting Pronouncements
In June 1997, the FASB issued "Reporting Comprehensive Income," SFAS
No. 130, which establishes standards for reporting and display of
comprehensive income and its components in a full set of general-
purpose financial statements. Specifically, this statements requires
that an enterprise (i) classify items of other comprehensive income by
their nature in a financial statement and (ii) display the accumulated
balance of other comprehensive income separately from retained
earnings and additional paid-in capital in the equity section of a
statement of financial position. This statement is effective for
fiscal years beginning after December 15, 1997. The Partnership
anticipates adoption of SFAS No. 130 in its year ended December 31,
1998 financial statements.

Comprehensive income consists of the change in equity of a business
enterprise during a period from transactions and other events and
circumstances from nonowner sources. Specifically, this includes net
income and other comprehensive income, which is made up of certain
changes in assets and liabilities that are not reported in a statement
of operations but are included in the balances within a separate
component of equity in a statement of financial position. Such
changes include, but are not limited to, unrealized gains for
marketable securities and futures contracts, foreign currency
translation adjustments and minimum pension liability adjustments.

Net Income (loss) per limited partnership unit
The net income (loss) per limited partnership unit is calculated by
using the number of outstanding limited partnership units.



Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


3. Commitments and Contingent Liabilities
The Managing General Partner has the right, but not the obligation, to
purchase limited partnership units should an investor desire to sell.
The value of the unit is determined by adding the sum of (1) current
assets less liabilities and (2) the present value of the future net
revenues attributable to proved reserves and by discounting the future
net revenues at a rate not in excess of the prime rate charged by
NationsBank, N.A. of Midland, Texas plus one percent (1%), which value
shall be further reduced by a risk factor discount of no more than one-
third (1/3) to be determined by the Managing General Partner in its
sole and absolute discretion.

The Partnership is subject to various federal, state and local
environmental laws and regulations which establish standards and
requirements for protection of the environment. The Partnership
cannot predict the future impact of such standards and requirements,
which are subject to change and can have retroactive effectiveness.
The Partnership continues to monitor the status of these laws and
regulations.

As of December 31, 1997, the Partnership has not been fined, cited or
notified of any environmental violations and management is not aware
of any unasserted violations which would have a material adverse
effect upon capital expenditures, earnings or the competitive position
in the oil and gas industry. However, the Managing General Partner
does recognize by the very nature of its business, material costs
could be incurred in the near term to bring the Partnership into total
compliance. The amount of such future expenditures is not
determinable due to several factors, including the unknown magnitude
of possible contaminations, the unknown timing and extent of the
corrective actions which may be required, the determination of the
Partnership's liability in proportion to other responsible parties and
the extent to which such expenditures are recoverable from insurance
or indemnifications from prior owners of Partnership's properties.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


4. Related Party Transactions
A significant portion of the oil and gas properties in which the
Partnership has an interest are operated by and purchased from the
Managing General Partner. As is usual in the industry and as provided
for in the operating agreement for each respective oil and gas
property in which the Partnership has an interest, the operator is
paid an amount for administrative overhead attributable to operating
such properties, with such amounts to Southwest Royalties, Inc. as
operator approximating $89,700, $96,000 and $113,000 for the years
ended December 31, 1997, 1996 and 1995, respectively. In addition,
the Managing General Partner and certain officers and employees may
have an interest in some of the properties that the Partnership also
participates.

Certain subsidiaries or affiliates of the Managing General Partner
perform various oilfield services for properties in which the
Partnership owns an interest. Such services aggregated approximately
none, $4,000 and $4,000 for the years ended December 31, 1997, 1996
and 1995, respectively, and the Managing General Partner believes that
these costs are comparable to similar charges paid by the Partnership
to unrelated third parties.

Southwest Royalties, Inc., the Managing General Partner, was paid
$68,400 during 1997, 1996 and 1995 as an administrative fee for
indirect general and administrative overhead expenses.

Receivables from Southwest Royalties, Inc., the Managing General
Partner, of approximately $83,400 and $148,536 are from oil and gas
production, net of lease operating costs and production taxes, as of
December 31, 1997 and 1996, respectively.

In addition, a director and officer of the Managing General Partner is
a partner in a law firm, with such firm providing legal services to
the Partnership. There were no legal services provided for the year
ended December 31, 1997 and approximately $100 for the year ended
December 31, 1996. There were no legal services provided for the year
ended December 31, 1995.

5. Major Customers
No material portion of the Partnership's business is dependent on a
single purchaser, or a very few purchasers, where the loss of one
would have material adverse impact on the Partnership. One purchaser
accounted for 63% of the Partnership's total oil and gas production
during 1997: Phillips 66 Company 63%. One purchaser accounted for
65% of the Partnership's total oil and gas production during 1996:
Phillips 66 Company 65%. Two purchasers accounted for 68% of the
Partnership's total oil and gas production during 1995: Phillips 66
Company and Fina Oil & Chemical Company, Inc. purchased 50% and 18%,
respectively. All purchasers of the Partnership's oil and gas
production are unrelated third parties. In the event any of these
purchasers were to discontinue purchasing the Partnership's
production, the Managing General Partner believes that a substitute
purchaser or purchasers could be located without undue delay. No
other purchaser accounted for an amount equal to or greater than 10%
of the Partnership's sales of oil and gas production.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


6. Estimated Oil and Gas Reserves (unaudited)
The Partnership's interest in proved oil and gas reserves is as
follows:

Oil (bbls) Gas (mcf)
---------- ---------
Proved developed and undeveloped reserves -

January 1, 1995 324,000 1,896,000

Revisions of previous estimates 57,000 (127,000)
Production (42,000) (178,000)
Sale of minerals in place (8,000) (40,000)
------- ---------
December 31, 1995 331,000 1,551,000

Revisions of previous estimates 114,000 675,000
Production (29,000) (164,000)
Sale of minerals in place (61,000) -
------- ---------
December 31, 1996 355,000 2,062,000

Revisions of previous estimates (97,000) (782,000)
Production (30,000) (187,000)
New discoveries and extensions 29,000 36,000
------- ---------
December 31, 1997 257,000 1,129,000
======= =========

Proved developed reserves -

December 31, 1995 299,000 1,524,000
======= =========
December 31, 1996 337,500 2,032,000
======= =========
December 31, 1997 225,000 1,083,000
======= =========

All of the Partnership's reserves are located within the continental
United States.

*The reserve estimates were prepared as of January 1, 1998, by Donald
R. Creamer, P.E., an independent registered petroleum engineer. The
reserve estimates were made in accordance with guidelines established
by the Securities and Exchange Commission pursuant to Rule 4-10(a) of
Regulation S-X. Such guidelines require oil and gas reserve reports
be prepared under existing economic and operating conditions with no
provisions for price and cost escalation except by contractual
arrangements.

The New York Mercantile Exchange price at December 31, 1997 of $17.64
was used as the beginning basis for the oil price. Oil price
adjustments from $17.64 per barrel were made in the individual
evaluations to reflect oil quality, gathering and transportation
costs. The results are an average price received at the lease of
$16.27 per barrel in the preparation of the reserve report as of
January 1, 1998.



Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


6. Estimated Oil and Gas Reserves (unaudited) - continued
In the determination of the gas price, the New York Mercantile
Exchange price at December 31, 1997 of $2.26 was used as the beginning
basis. Gas price adjustments from $2.26 per Mcf were made in the
individual evaluations to reflect BTU content, gathering and
transportation costs and gas processing and shrinkage. The results
are an average price received at the lease of $1.96 per Mcf in the
preparation of the reserve report as of January 1, 1998.

The evaluation of oil and gas properties is not an exact science and
inevitably involves a significant degree of uncertainty, particularly
with respect to the quantity of oil or gas that any given property is
capable of producing. Estimates of oil and gas reserves are based on
available geological and engineering data, the extent and quality of
which may vary in each case and, in certain instances, may prove to be
inaccurate. Consequently, properties may be depleted more rapidly
than the geological and engineering data have indicated.

Unanticipated depletion, if it occurs, will result in lower reserves
than previously estimated; thus an ultimately lower return for the
Partnership. Basic changes in past reserve estimates occur annually.
As new data is gathered during the subsequent year, the engineer must
revise his earlier estimates. A year of new information, which is
pertinent to the estimation of future recoverable volumes, is
available during the subsequent year evaluation. In applying industry
standards and procedures, the new data may cause the previous
estimates to be revised. This revision may increase or decrease the
earlier estimated volumes. Pertinent information gathered during the
year may include actual production and decline rates, production from
offset wells drilled to the same geologic formation, increased or
decreased water production, workovers, and changes in lifting costs,
among others. Accordingly, reserve estimates are often different from
the quantities of oil and gas that are ultimately recovered.

The Partnership has reserves which are classified as proved developed
producing, proved developed non-producing and proved undeveloped. All
of the proved reserves are included in the engineering reports which
evaluate the Partnership's present reserves.

Because the Partnership does not engage in drilling activities, the
development of proved undeveloped reserves is conducted pursuant to
farm-out arrangements with the Managing General Partner or unrelated
third parties. Generally, the Partnership retains a carried interest
such as an overriding royalty interest under the terms of a farm-out,
or receives cash.


Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)

Notes to Financial Statements


6. Estimated Oil & Gas Reserves (unaudited) - continued
The standardized measure of discounted future net cash flows relating
to proved oil and gas reserves at December 31, 1997, 1996 and 1995 is
presented below:

1997 1996 1995
---- ---- ----

Future cash inflows, net of
production and development
costs $ 3,168,000 8,750,000 3,748,000
10% annual discount for
estimated timing of cash
flows 1,190,000 3,785,000 1,404,000
--------- --------- ---------
Standardized measure of
discounted future net cash
flows $ 1,978,000 4,965,000 2,344,000
========= ========= =========

The principal sources of change in the standardized measure of
discounted future net cash flows for the years ended December 31,
1997, 1996 and 1995 are as follows:

1997 1996 1995
---- ---- ----

Sales of oil and gas produced,
net of production costs $ (443,000) (788,000) (568,000)
Changes in prices and production costs (2,566,000) 2,655,000
580,000
Changes of production rates
(timing) and others 153,000 89,000 (441,000)
Sales of minerals in place - (202,000) (25,000)
Revisions of previous
quantities estimates (930,000) 472,000 195,000
Accretion of discount 497,000 395,000 245,000
Extensions and discoveries, net
of production costs 302,000
- - -
Discounted future net
cash flows -
Beginning of year 4,965,000 2,344,000 2,358,000
--------- --------- ---------
End of year $ 1,978,000 4,965,000 2,344,000
========= ========= =========

Future net cash flows were computed using year-end prices and costs
that related to existing proved oil and gas reserves in which the
Partnership has mineral interests.


Item 9. Changes in and Disagreements With Accountants on Accounting and
Financial Disclosure

On June 9, 1997 Southwest Royalties, Inc. the Partnership's Managing
General Partner (Southwest Royalties, Inc.) dismissed Joseph Decosimo and
Company as the Partnership's independent accountants. The Managing General
Partner's Board of Directors approved the decision to change the
Partnership's independent accountants.

The reports of Joseph Decosimo and Company on the financial statements for
the past two fiscal years contained no adverse opinion or disclaimer of
opinion and were not qualified or modified as to uncertainty, audit scope
or accounting principle.

In connection with its audits for the two most recent fiscal years and
through June 9, 1997, there have been no disagreements with Joseph Decosimo
and Company on any matter of accounting principles or practices, financial
statements disclosure, or auditing scope or procedure, which disagreements
if not resolved to the satisfaction of Joseph Decosimo and Company would
have caused them to make reference thereto in their report on the financial
statements for such years.

The Registrant has requested that Joseph Decosimo and Company furnish it
with a letter addressed to the SEC stating whether or not it agrees with
the above statements. A copy of that letter is included as Exhibit 16 and
has been filed with the Securities and Exchange Commission.

Part III

Item 10. Directors and Executive Officers of the Registrant

Management of the Partnership is provided by Southwest Royalties, Inc., as
Managing General Partner. The names, ages, offices, positions and length
of service of the directors and executive officers of Southwest Royalties,
Inc. are set forth below. Each director and executive officer serves for a
term of one year. The present directors of the Managing General Partner
have served in their capacity since the Company's formation in 1983.

Name Age Position
- -------------------- --- -----------------------------------
- -------
H. H. Wommack, III 42 Chairman of the Board,
President,
Chief Executive Officer, Treasurer
and Director

H. Allen Corey 43 Secretary and Director

Bill E. Coggin 44 Vice President and Chief
Financial Officer

Phillip F. Hock, Jr. 54 Vice President, Exploration

Jon P. Tate 40 Vice President, Land and
Assistant Secretary

Joel D. Talley 36 Vice President, Acquisitions and
Exploitation Manager

R. Douglas Keathley 42 Vice President, Operations

J. Steven Person 39 Vice President, Marketing

H. H. Wommack, III, is Chairman of the Board, President, Chief Executive
Officer, Treasurer, principal stockholder and a director of the Managing
General Partner, and has served as its President since the Company's
organization in August, 1983. Prior to the formation of the Company, Mr.
Wommack was a self-employed independent oil producer engaged in the
purchase and sale of royalty and working interests in oil and gas leases,
and the drilling of exploratory and developmental oil and gas wells. Mr.
Wommack holds a J.D. degree from the University of Texas from which he
graduated in 1980, and a B.A. from the University of North Carolina in
1977.

H. Allen Corey, a founder of the Managing General Partner, has served as
the Managing General Partner's secretary and a director since its
inception. Mr. Corey is President of Trolley Barn Brewery, Inc., a brew
pub restaurant chain based in the Southeast. Prior to his involvement with
Trolley Barn, Mr. Corey was a partner at the law firm of Miller & Martin in
Chattanooga, Tennessee. He is currently of counsel to the law firm of
Baker, Donelson, Bearman & Caldwell, with the offices in Chattanooga,
Tennessee. Mr. Corey received a J.D. degree from the Vanderbilt University
Law School and B.A. degree from the University of North Carolina at Chapel
Hill.


Bill E. Coggin, Vice President and Chief Financial Officer, has been with
the Managing General Partner since 1985. Mr. Coggin was Controller for Rod
Ric Corporation of Midland, Texas, an oil and gas drilling company, during
the latter part of 1984. He was Controller for C.F. Lawrence & Associates,
Inc., an independent oil and gas operator also of Midland, Texas during the
early part of 1984. Mr. Coggin taught public school for four years prior
to his business experience. Mr. Coggin received a B.S. in Education and a
B.B.A. in Accounting from Angelo State University.

Phillip F. Hock, Jr., Vice President, Exploration, assumed his
responsibilities with the Managing General Partner as a geologist in
November 1993. Prior to joining the Managing General Partner, Mr. Hock was
employed four (4) years by Ramco Oil and Gas as Exploitation Manager (1989-
1993), Robinson Brothers Drilling Company as Exploration Manager (1980-
1984), and as petroleum geologist by several companies throughout his
career, Magic Circle Oil and Gas (1988-1989), Reading and Bates Petroleum
Company (1984-1988), and Exxon (1971-1980). Mr. Hock received a B. S. in
Geology from Morehead State University and a M. S. in Geology form the
University of New Mexico.

Jon P. Tate, Vice President, Land and Assistant Secretary, assumed his
responsibilities with the Managing General Partner in 1989. Prior to
joining the Managing General Partner, Mr. Tate was employed by C.F.
Lawrence & Associates, Inc., an independent oil and gas company, as Land
Manager from 1981 through 1989. Mr. Tate is a member of the Permian Basin
Landman's Association and received his B.B.S. degree from Hardin-Simmons
University.

Joel D. Talley, Vice President, Acquisitions and Exploitation Manager,
assumed his responsibilities with the Managing General Partner on July 15,
1996. Prior to joining the Managing General Partner, Mr. Talley was
employed for four (4) years by Merit Energy Company as Acquisitions Manager
and then as Region Manager over West Texas, New Mexico and Wyoming (1992-
1996) and eight (8) years by ARCO Oil & Gas Company in various engineering
positions (1984-1992). Mr. Talley received his B.S. in Mechanical
Engineering in 1984 from Texas A&M University.

R. Douglas Keathley, Vice President, Operations, assumed his
responsibilities with the Managing General Partner as a Production Engineer
in October, 1992. Prior to joining the Managing General Partner, Mr.
Keathley was employed for four (4) years by ARCO Oil & Gas Company as
senior drilling engineer working in all phases of well production (1988-
1992), eight (8) years by Reading & Bates Petroleum Company as senior
petroleum engineer responsible for drilling (1980-1988) and two (2) years
by Tenneco Oil Company as drilling engineer responsible for all phases of
drilling (1978-1980). Mr. Keathley received his B.S. in Petroleum
Engineering in 1977 from the University of Oklahoma.

J. Steven Person, Vice President, Marketing assumed his responsibilities
with the Managing General Partner as National Marketing Director in 1989.
Prior to joining the Managing General Partner, Mr. Person served as Vice
President of Marketing for CRI, Inc., and was associated with Capital
Financial Group and Dean Witter (1983). He received a B.B.A. from Baylor
University in 1982 and an M.D.A. from Houston Baptist University in 1987.


Key Employees

Accounting and Administrative Officer - Debbie A. Brock, age 45, assumed
her position with the Managing General Partner in 1991. Prior to joining
the Managing General Partner, Ms. Brock was employed with Western Container
Corporation as Accounting Manager (1982-1990), Synthetic Industries
(Texas), Inc. as Accounting Manager (1976-1982) and held various accounting
positions in the manufacturing industry (1971-1975). Ms. Brock received a
B.B.A. from the University of Houston.

Controller - Robert A. Langford, age 48, assumed his responsibilities with
the Managing General Partner in 1992. Mr. Langford received his B.B.A.
degree in Accounting in 1975 from the University of Central Arkansas.
Prior to joining the Managing General Partner, Mr. Langford was employed
with Forest Oil Corporation as Corporate Coordinator, Regional Coordinator,
Accounting Manager. He held various other positions from 1982-1992 and
1976-1980 and was Assistant Controller of National Oil Company from 1980-
1982.

Financial Reporting Manager - Bryan Dixon, C.P.A., age 31, assumed his
responsibilities with the Managing General Partner in 1992. Mr. Dixon
received his B.B.A. degree in Accounting in 1988 from Texas Tech University
in Lubbock, Texas. Prior to joining the Managing General Partner, Mr.
Dixon was employed as a Senior Auditor with Johnson, Miller & Company from
1991-1992 and Audit Supervisor for Texas Tech University and the Texas Tech
University Health Sciences Center from 1988-1991.

Production Superintendent - Steve C. Garner, age 56, assumed his
responsibilities with the Managing General Partner as Production
Superintendent in July, 1989. Prior to joining the Managing General
Partner, Mr. Garner was employed 16 years by Shell Oil Company working in
all phases of oil field production as operations foreman, one and one-half
years with Petroleum Corporation of Delaware as Production Superintendent,
six years as an independent engineering consultant, and one year with
Citation Oil & Gas Corp. as a workover, completion and production foreman.
Mr. Garner has worked extensively in the Permian Basin oil field for the
last 25 years.

Tax Manager - Carolyn Cookson, age 41, assumed her position with the
Managing General Partner in April, 1989. Prior to joining the Managing
General Partner, Ms. Cookson was employed as Director of Taxes at C.F.
Lawrence & Associates, Inc. from 1983 to 1989, and worked in public
accounting at McCleskey, Cook & Green, P.C. from 1981 to 1983 and Deanna
Brady, C.P.A. from 1980 to 1981. She is a member of the Permian Basin
Chapter of the Petroleum Accountants' Society, and serves on its Board of
Directors and is liaison to the Tax Committee. Ms. Cookson received a
B.B.A. in accounting from New Mexico State University.



Investor Relations Manager - Sandra K. Flournoy, age 51, came to Southwest
Royalties, Inc. in 1988 from Parker & Parsley Petroleum, where she was
Assistant Manager of Investor Services and Broker/Dealer Relations for two
years. Prior to that, Ms. Flournoy was Administrative Assistant to the
Superintendent at Greenwood ISD for four years.

In certain instances, the Managing General Partner will engage professional
petroleum consultants and other independent contractors, including
engineers and geologists in connection with property acquisitions,
geological and geophysical analysis, and reservoir engineering. The
Managing General Partner believes that, in addition to its own "in-house"
staff, the utilization of such consultants and independent contractors in
specific instances and on an "as-needed" basis allows for greater
flexibility and greater opportunity to perform its oil and gas activities
more economically and effectively.

Item 11. Executive Compensation

The Partnership does not have any directors or executive officers. The
executive officers of the Managing General Partner do not receive any cash
compensation, bonuses, deferred compensation or compensation pursuant to
any type of plan, from the Partnership. The Managing General Partner
received $68,400 during 1997, 1996 and 1995 as an annual administrative fee
for indirect general and administrative overhead expense.

Item 12. Security Ownership of Certain Beneficial Owners and Management

There are no limited partners who own of record, or are known by the
Managing General Partner to beneficially own, more than five percent of the
Partnership's limited partnership interests.

The Managing General Partner owns a nine percent interest as a general
partner. Through prior purchases, the Managing General Partner also owns
87 limited partner units, or a .89% limited partner interest. The Managing
General Partner total percentage interest ownership in the Partnership is
9.8%.

No officer or director of the Managing General Partner owns Units in the
Partnership. H. H. Wommack, III, as the individual general partner of the
Partnership, owns a one percent interest as a general partner. The
officers and directors of the Managing General Partner are considered
beneficial owners of the limited partner units acquired by the Managing
General Partner by virtue of their status as such. A list of beneficial
owners of limited partner units, acquired by the Managing General Partner,
is as follows:


Amount and
Nature of Percent
Name and Address of Beneficial of
Title of Class Beneficial Owner Ownership Class
- ------------------- --------------------------- --------------- -------
Limited Partnership Southwest Royalties, Inc. Directly Owns .89%
Interest Managing General Partner 87 Units
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership H. H. Wommack, III Indirectly Owns .89%
Interest Chairman of the Board, 87 Units
President, CEO, Treasurer
and Director of Southwest
Royalties, Inc., the
Managing General Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership H. Allen Corey Indirectly Owns .89%
Interest Secretary and Director of 87 Units
Southwest Royalties, Inc.,
the Managing General
Partner
633 Chestnut Street
Chattanooga, TN 37450-1800

Limited Partnership Bill E. Coggin Indirectly Owns .89%
Interest Vice President and CFO of 87 Units
Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership Phillip F. Hock, Jr. Indirectly Owns .89%
Interest Vice President, Exploration 87 Units
of Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership Jon P. Tate Indirectly Owns .89%
Interest Vice President, Land and 87 Units
Assistant Secretary of
Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership J. Steven Person Indirectly Owns .89%
Interest Vice President, Marketing 87 Units
of Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701



Amount and
Nature of Percent
Name and Address of Beneficial of
Title of Class Beneficial Owner Ownership Class
- ------------------- --------------------------- --------------- -------
Limited Partnership Joel D. Talley Indirectly Owns .89%
Interest Vice President, 87 Units
Acquisitions and
Exploitation Manager of
Southwest Royalties, Inc.,
the Managing General Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership R. Douglas Keathley Indirectly Owns .89%
Interest Vice President, Operations 87 Units
of Southwest Royalties, Inc.,
the Managing General Partner
407 N. Big Spring Street
Midland, TX 79701

There are no arrangements known to the Managing General Partner which may
at a subsequent date result in a change of control of the Partnership.

Item 13. Certain Relationships and Related Transactions

In 1997, the Managing General Partner received $68,400 as an administrative
fee. This amount is part of the general and administrative expenses
incurred by the Partnership.

In some instances the Managing General Partner and certain officers and
employees may be working interest owners in an oil and gas property in
which the Partnership also has a net profits interest. Certain properties
in which the Partnership has an interest are operated by the Managing
General Partner, who was paid approximately $89,700 for administrative
overhead attributable to operating such properties during 1997.

In the opinion of management, the terms of the above transactions are
similar to ones with unaffiliated third parties.


Part IV

Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K

(a)(1) Financial Statements:

Included in Part II of this report --

Reports of Independent Accountants
Balance Sheets
Statements of Operations
Statement of Changes in Partners' Equity
Statements of Cash Flows
Notes to Financial Statements

(2) Schedules required by Article 12 of Regulation S-
X are either omitted because they are not applicable or
because the required information is shown in the
financial statements or the notes thereto.

(3) Exhibits:

4 (a) Certificate of Limited
Partnership of Southwest Royalties Institutional
Income Fund IX-B, L.P., dated March 9, 1989.
(Incorporated by reference from Partnership's
Form 10-K for the fiscal year ended December 31,
1989.)

(b) Agreement of Limited
Partnership of Southwest Royalties Institutional
Income Fund IX-B, L.P. dated September 26, 1989.
(Incorporated by reference from Partnership's
Form 10-K for the fiscal year ended December 31,
1989.)

16 Letter on Changes in Certifying Accountant
(Incorporated by reference from Partnership's Form 8-K
dated June 9, 1997.)

27 Financial Data Schedule

(b) Reports on Form 8-K

There were no reports filed on Form 8-K during the
quarter ended December 31, 1997.


Signatures


Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Partnership has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.


Southwest Royalties Institutional Income
Fund IX-B, L.P., a Delaware limited partnership


By: Southwest Royalties, Inc.,
Managing
General Partner


By: /s/ H. H. Wommack, III
-----------------------------
H. H. Wommack, III, President


Date: March 31, 1998


Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
Partnership and in the capacities and on the dates indicated.


By: /s/ H. H. Wommack, III
-----------------------------------
H. H. Wommack, III, Chairman of the
Board, President, Chief Executive
Officer, Treasurer and Director


Date: March 31, 1998


By: /s/ H. Allen Corey
-----------------------------
H. Allen Corey, Secretary and
Director


Date: March 31, 1998