SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND IX-B LP - 10-K Annual Report

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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, 1999

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 40. 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 34

Part III

10. Directors and Executive Officers of the Registrant 35

11. Executive Compensation 36

12. Security Ownership of Certain Beneficial Owners and
Management 36

13. Certain Relationships and Related Transactions 38

Part IV

14. Exhibits, Financial Statement Schedules, and Reports
on Form 8-K 39

Signatures 40

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 97 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.

Oil prices experienced a year of recovery during 1999. After seeing prices
languish near $10 per barrel in December 1998, a rebound occurred that
would briefly push NYMEX pricing over $27 in late November 1999. Crude oil
prices reached $20 per barrel in mid-July and would not fall below $21 the
rest of the year. There were drastic improvements to the main factors that
gave rise to the worst price depression in history. These improvements
provoked a spike in crude oil prices to levels not seen since the Gulf War.
First, OPEC has done a remarkable job of adhering to production cuts agreed
to in March, despite the temptation to cheat given current pricing. As
prices have risen over the last twelve months, OPEC has consistently
maintained a compliance rate above 90 percent. Also, most foreign markets
are well on their way to recovery, greatly increasing the demand for energy
in those countries. These and other factors have eliminated the
"oversupply" of crude oil that we experienced in 1998. The near month
contract for crude oil settled at $25.60 per barrel on December 30, 1999.

In 1999 natural gas prices rose 10% to an average of $2.18/MMBtu, 18 cents
higher than the $2.00/MMBtu average seen in 1998. Despite warmer-than-
normal heating seasons at both ends of the year, 1999 was the fourth year
in a row that prices averaged $2.00/MMBtu or above. Citing lower storage
levels and a rising demand for natural gas, industry experts are predicting
a "healthy jump" in prices for 2000. Although higher prices in 1999 fueled
an increase in production, end of year gas in storage nationwide is only
75% of capacity as compared to 87% at the end of 1998. Further, gas demand
is expected to continue to increase at a faster pace than the amount of gas
being replaced. A record breaking 70% of single-family homes built in 1999
were equipped with natural gas services ranging from traditional heating to
water heating, cooking and grilling. Based on these encouraging
statistics, we remain optimistic in our expectation of slightly higher
natural gas prices in the coming year, hopefully seeing an average above
the $2.20/MMBtu level.

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

Oil Gas

1999 58% 42%
1998 59% 41%
1997 59% 41%

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
62% of the Partnership's total oil and gas production during 1999:
Phillips 66 Company for 62%. One purchaser accounted for 62% of the
Partnership's total oil and gas production during 1998: Phillips 66
Company 62%. One purchaser accounted for 63% of the Partnership's total
oil and gas production during 1997: Phillips 66 Company 63%.

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,
1999, there were 97 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, 1999, the Partnership possessed an interest in oil and
gas properties located in Eddy and Lea Counties of New Mexico; Andrews,
Cochran, Crane, Ector, Gaines, Garza, Howard, Midland, Pecos, Reagan,
Terry, Ward, Winkler and Yoakum Counties of Texas. These properties
consist of various interests in approximately 314 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 1999, 1998 and 1997.

During 1999, four leases were sold for approximately $210,000. During
1998, nine leases were sold for approximately $118,400. During 1997, there
were no property sales.

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% 45 230,000 728,000
Properties, to 48% net
16 counties in profits
Texas, 2 counties interests
in New Mexico

*Donald R. Creamer, P.E., an Independent Registered Petroleum Engineer
prepared the reserve and present value data for the Partnership's existing
properties as of January 1, 2000. 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, 1999 of $25.60 was
used as the beginning basis for the oil price. Oil price adjustments from
$25.60 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 $23.67 per barrel in the preparation of the
reserve report as of January 1, 2000.

In the determination of the gas price, the New York Mercantile Exchange
price at December 31, 1999 of $2.33 was used as the beginning basis. Gas
price adjustments from $2.33 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 $1.90 per Mcf in the preparation of the reserve report as of
January 1, 2000.

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 1999.

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 1999 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
1999, 76 limited partner units were tendered to and purchased by the
Managing General Partner at an average base price of $69.49 per unit. In
1998, 47 limited partner units were tendered to and purchased by the
Managing General Partner at an average base price of $86.68 per unit. 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.

Number of Limited Partner Interest Holders
As of December 31, 1999, there were 612 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 1999, distributions were made totaling $274,382, with $251,382
distributed to the limited partners and $23,000 to the general partners.
For the year ended December 31, 1999, distributions of $25.70 per limited
partner unit were made, based upon 9,782 limited partner units outstanding.
During 1998, distributions were made totaling $298,833, with $271,583
distributed to the limited partners and $27,250 to the general partners.
For the year ended December 31, 1998, distributions of $27.76 per limited
partner unit were made, based upon 9,782 limited partner units outstanding.
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.

Item 6. Selected Financial Data

The following selected financial data for the years ended December 31,
1999, 1998, 1997, 1996 and 1995 should be read in conjunction with the
financial statements included in Item 8:

Years ended December 31,
---------------------------------------------------------
1999 1998 1997 1996 1995
---- ---- ---- ---- ----
Revenues $ 327,462 199,905 444,601 418,342 280,264

Net income 228,523 3,941 249,950 266,067 44,550

Partners' share of
net income (loss):

General partners 25,352 11,294 36,795 34,107 20,055

Limited partners 203,171 (7,353) 213,155 231,960 24,495

Limited partners'
net income (loss)
per unit 20.77 (.75) 21.79 23.71 2.50

Limited partners'
cash distributions
per unit 25.70 27.76 38.32 50.76 22.80

Total assets $ 585,060 631,451 926,056 1,092,739 1,376,416

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 2000 to enhance production. The partnership may have an increase in
production volumes for the years 2001 and 2002, otherwise, the partnership
will most likely experience the historical production decline of
approximately 7% to 8% per year.

Results of Operations

A. General Comparison of the Years Ended December 31, 1999 and 1998

The following table provides certain information regarding performance
factors for the years ended December 31, 1999 and 1998:

Year Ended Percentage
December 31, Increase
1999 1998 (Decrease)
---- ---- ---------

Average price per barrel of oil $ 16.98 12.35 37%
Average price per mcf of gas $ 1.97 1.55 27%
Oil production in barrels 21,770 29,100 (25%)
Gas production in mcf 135,640 160,600 (16%)
Income from net profits interests $ 322,555 197,813 63%
Partnership distributions $ 274,382 298,833 (8%)
Limited partner distributions $ 251,382 271,583 (7%)
Per unit distribution to limited partners $ 25.70 27.76 (7%)
Number of limited partner units 9,782 9,782

Revenues

The Partnership's income from net profits interests increased to $322,555
from $197,813 for the years ended December 31, 1999 and 1998, respectively,
an increase of 63%%. The principal factors affecting the comparison of the
years ended December 31, 1999 and 1998 are as follows:

1. The average price for a barrel of oil received by the Partnership
increased during the year ended December 31, 1999 as compared to the
year ended December 31, 1998 by 37%, or $4.63 per barrel, resulting in
an increase of approximately $134,700 in income from net profits
interests. Oil sales represented 58% of total oil and gas sales during
the year ended December 31, 1999 as compared to 59% during the year
ended December 31, 1998.

The average price for an mcf of gas received by the Partnership
increased during the same period by 27%, or $.42 per mcf, resulting in
an increase of approximately $67,500 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
$202,200. 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 7,330 barrels or 25% during the
year ended December 31, 1999 as compared to the year ended December 31,
1998, resulting in a decrease of approximately $124,500 in income from
net profits interests.

Gas production decreased approximately 24,960 mcf or 16% during the
same period, resulting in a decrease of approximately $49,200 in income
from net profits interests.

The total decrease in income from net profits interests due to the
change in production is approximately $173,700. The decrease in
production is due primarily to property sales in 1998 and 1999.

3. Lease operating costs and production taxes were 24% lower, or
approximately $96,700 less during the year ended December 31, 1999 as
compared to the year ended December 31, 1998. The decrease in lease
operating costs are due primarily to property sales in 1998 and 1999.

Costs and Expenses

Total costs and expenses decreased to $98,939 from $195,964 for the years
ended December 31, 1999 and 1998, respectively, a decrease of 50%. The
decrease is the result of lower general and administrative costs 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
15% or approximately $13,000 during the year ended December 31, 1999 as
compared to the year ended December 31, 1998. The decrease of general
and administrative costs were due in part to additional accounting
costs incurred in 1998 in relation to the outsourcing of K-1 tax
package preparation and a change in auditors requiring opinions from
both the predecessors and successor auditors. Additionally, the
Managing General Partner in its effort to cut back on general and
administrative costs whenever and wherever possible was able to reduce
the cost of reserve reports and K-1 tax package preparation during
1999.

2. Depletion expense decreased to $25,000 for the year ended December 31,
1999 from $109,000 for the same period in 1998. This represents a decrease
of 77%. 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 decrease 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, 2000 as compared
to 1999. 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 $43,000 as of
December 31, 1998.

Results of Operations

B. General Comparison of the Years Ended December 31, 1998 and 1997

The following table provides certain information regarding performance
factors for the years ended December 31, 1998 and 1997:

Year Ended Percentage
December 31, Increase
1998 1997 (Decrease)
---- ---- ---------

Average price per barrel of oil $ 12.35 18.40 (33%)
Average price per mcf of gas $ 1.55 2.03 (24%)
Oil production in barrels 29,100 30,000 (3%)
Gas production in mcf 160,600 186,900 (14%)
Income from net profits interests $ 197,813 442,606 (55%)
Partnership distributions $ 298,833 416,500 (28%)
Limited partner distributions $ 271,583 374,850 (28%)
Per unit distribution to limited partners $ 27.76 38.32 (28%)
Number of limited partner units 9,782 9,782

Revenues

The Partnership's income from net profits interests decreased to $197,813
from $442,606 for the years ended December 31, 1998 and 1997, respectively,
a decrease of 55%. The principal factors affecting the comparison of the
years ended December 31, 1998 and 1997 are as follows:

1. The average price for a barrel of oil received by the Partnership
decreased during the year ended December 31, 1998 as compared to the
year ended December 31, 1997 by 33%, or $6.05 per barrel, resulting in
a decrease of approximately $181,500 in income from net profits
interests. Oil sales represented 59% of total oil and gas sales during
the year ended December 31, 1998 as compared to 59% during the year
ended December 31, 1997.

The average price for an mcf of gas received by the Partnership
decreased during the same period by 24%, or $.48 per mcf, resulting in
a decrease of approximately $89,700 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
$271,200. 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 900 barrels or 3% during the
year ended December 31, 1998 as compared to the year ended December 31,
1997, resulting in a decrease of approximately $11,100 in income from
net profits interests.

Gas production decreased approximately 26,300 mcf or 14% during the
same period, resulting in a decrease of approximately $40,800 in income
from net profits interests.

The total decrease in income from net profits interests due to the
change in production is approximately $51,900. Decrease in gas
production is due primarily to downtime and a fairness letter on one
well which reduced the Partnerships ownership.

3. Lease operating costs and production taxes were 16% lower, or
approximately $78,000 less during the year ended December 31, 1998 as
compared to the year ended December 31, 1997. The decrease in lease
operating costs is primarily due to a reduction in advalorem taxes and
workovers from 1997.

Costs and Expenses

Total costs and expenses increased to $195,964 from $194,651 for the years
ended December 31, 1998 and 1997, respectively, an increase of 1%. The
increase is the result of higher general and administrative costs,
partially offset by a decrease in 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 increased
13% or approximately $10,300 during the year ended December 31, 1998 as
compared to the year ended December 31, 1997.

3. Depletion expense decreased to $109,000 for the year ended December
31, 1998 from $118,000 for the same period in 1997. This represents a
decrease of 8%. 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 decrease 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, 1999 as compared
to 1998. 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 $6,000 as of
December 31, 1997.

C. Revenue and Distribution Comparison

Partnership net income for the years ended December 31, 1999, 1998 and 1997
was $228,523, $3,941 and $249,950, respectively. Excluding the effects of
depreciation, depletion and amortization, net income for the years ended
December 31, 1999, 1998 and 1997 would have been $253,523, $112,941 and
$367,950, respectively. Correspondingly, Partnership distributions for the
years ended December 31, 1999, 1998 and 1997 were $274,382, $298,833 and
$416,500. These differences are indicative of the changes in oil and gas
prices, production and properties during 1999, 1998 and 1997.

The sources for the 1999 distributions of $274,382 were oil and gas
operations of approximately $192,219 and property sales of approximately
$213,100, resulting in excess cash for contingencies or subsequent
distributions. The source for the 1998 distributions of $298,833 were oil
and gas operations of approximately $164,800 and the change in oil and gas
properties of approximately $117,300, with the balance from available cash
on hand at the beginning of the period. 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.

Total distributions during the year ended December 31, 1999 were $274,382
of which $251,382 was distributed to the limited partners and $23,000 to
the general partners. The per unit distribution to limited partners during
the same period was $25.70. Total distributions during the year ended
December 31, 1998 were $298,833 of which $271,583 was distributed to the
limited partners and $27,250 to the general partners. The per unit
distribution to limited partners during the same period was $27.76. 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.

Since inception of the Partnership, cumulative monthly cash distributions
of $5,864,921 have been made to the partners. As of December 31, 1999,
$5,322,727 or $544.13 per limited partner unit, has been distributed to the
limited partners, representing a 109% 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 1999.

Cash flows provided by operating activities were approximately $192,200 in
1999 compared to $164,800 in 1998 and approximately $433,100 in 1997. The
primary sources of the 1999 cash flow from operating activities were
profitable operations.

Cash flow provided by investing activities were approximately $213,100 in
1999 compared to $117,300 in 1998. The Partnership had no cash flows from
investing activities in 1997. The principal source of the 1999 cash flow
from investing activities was the sale of oil and gas properties.

Cash flows used in financing activities were approximately $275,000 in 1999
compared to $298,500 in 1998 and approximately $416,600 in 1997. The only
use in financing activities was the distributions to partners.

As of December 31, 1999, the Partnership had approximately $236,700 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.

Liquidity - Managing General Partner
The Managing General Partner has a highly leveraged capital structure with
over $35.1 million principal and $17.5 million interest payments due in
2000 on its debt obligations. Due to the severely depressed commodity
prices experienced during the last quarter of 1997, throughout 1998 and
continuing through the second quarter of 1999 the Managing General Partner
is experiencing difficulty in generating sufficient cash flow to meet its
obligations and sustain its operations. The Managing General Partner is
currently in the process of renegotiating the terms of its various
obligations with its creditors and/or attempting to seek new lenders or
equity investors. Additionally, the Managing General Partner would
consider disposing of certain assets in order to meet its obligations.

There can be no assurance that the Managing General Partner's debt
restructuring efforts will be successful or that the lenders will agree to
a course of action consistent with the Managing General Partners
requirements in restructuring the obligations. Even if such agreement is
reached, it may require approval of additional lenders, which is not
assured. Furthermore, there can be no assurance that the sales of assets
can be successfully accomplished on terms acceptable to the Managing
General Partner. Under current circumstances, the Managing General
Partner's ability to continue as a going concern depends upon its ability
to (1) successfully restructure its obligations or obtain additional
financing as may be required, (2) maintain compliance with all debt
covenants, (3) generate sufficient cash flow to meet its obligations on a
timely basis, and (4) achieve satisfactory levels of future earnings. If
the Managing General Partner is unsuccessful in its efforts, it may be
unable to meet its obligations making it necessary to undertake such other
actions as may be appropriate to preserve asset values.

Information Systems for the Year 2000
The year 2000 issue referred to the risk of disruptions of operations
caused by the failure of computer-controlled systems, including systems
used by third parties, to properly recognize date sensitive information
when the year changed from 1999 to 2000. During the year ended December
31, 1999, the Managing General Partners data processing subsidiary, Midland
Southwest Software, Inc., installed new software as part of an on-going
project to upgrade its financial and management information systems. The
cost of upgrading the software occurred in the normal course of Midland
Southwest Software's business and was not material to the results of
operations or financial condition of the Partnership.

The Partnership has not experienced any significant business disruptions
due to year 2000 issues causing processing errors in its systems, or a
third party's systems, during the period of operations after January 1,
2000 until the filing of the 10-K.

Item 8. Financial Statements and Supplementary Data

Index to Financial Statements

Page

Independent Auditors Report 20

Balance Sheets 21

Statements of Operations 22

Statement of Changes in Partners' Equity 23

Statements of Cash Flows 24

Notes to Financial Statements 26

INDEPENDENT AUDITORS REPORT

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

We have audited the accompanying balance sheets of Southwest Royalties
Institutional Income Fund IX-B, L.P. (the "Partnership") as of December 31,
1999 and 1998, and the related statements of operations, changes in
partners' equity and cash flows for each of the years in the three-year
period ended December 31, 1999. 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, 1999 and 1998 and
the results of its operations and its cash flows for each of the years in
the three-year period ended December 31, 1999 in conformity with generally
accepted accounting principles.

KPMG LLP

Midland, Texas
March 10, 2000

Southwest Royalties Institutional Income Fund IX-B, L.P.
(a Delaware limited partnership)
Balance Sheets
December 31, 1999 and 1998

1999 1998
---- ----

Assets

Current assets:
Cash and cash equivalents $ 143,818 13,462
Receivable from Managing General Partner 92,832 31,528
Distribution receivable 46 -

- --------- ---------
Total current assets
236,696 44,990

- --------- ---------
Oil and gas properties - using the full-
cost method of accounting 2,956,364 3,169,461
Less accumulated depreciation,
depletion and amortization
2,608,000 2,583,000

- --------- ---------
Net oil and gas properties
348,364 586,461

- --------- ---------
$
585,060 631,451

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

Current liability - distribution payable $ - 532

- --------- ---------
Partners' equity:
General partners (62,738) (65,090)
Limited partners 647,798 696,009

- --------- ---------
Total partners' equity
585,060 630,919

- --------- ---------
$
585,060 631,451

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

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, 1999, 1998 and 1997

1999 1998 1997
---- ---- ----
Revenues

Income from net profits interests $ 322,555 197,813 442,606
Interest 3,511 2,092 1,995
Miscellaneous 1,396 - -
-------
- ------- -------
327,462
199,905 444,601
-------
- ------- -------
Expenses

General and administrative 73,939 86,964 76,651
Depreciation, depletion and amortization 25,000 109,000 118,000
-------
- ------- -------
98,939
195,964 194,651
-------
- ------- -------
Net income $ 228,523 3,941 249,950
=======
======= =======

Net income (loss) allocated to:

Managing General Partner $ 22,817 10,165 33,116
=======
======= =======
General Partner $ 2,535 1,129 3,679
=======
======= =======
Limited partners $ 203,171 (7,353) 213,155
=======
======= =======
Per limited partner unit $ 20.77 (.75) 21.79
=======
======= =======

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, 1999, 1998 and 1997

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

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

Net income (loss) 11,294 (7,353) 3,941

Distributions (27,250) (271,583) (298,833)
-------
- --------- ---------
Balance at December 31, 1998 (65,090) 696,009 630,919

Net income 25,352 203,171 228,523

Distributions (23,000) (251,382) (274,382)
-------
- --------- ---------
Balance at December 31, 1999 $ (62,738) 647,798 585,060
=======
========= =========

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, 1999, 1998 and 1997

1999 1998 1997
---- ---- ----

Cash flows from operating activities:

Cash received from net profits interests $ 260,510 251,377 507,756
Cash paid to Managing General Partner
for administrative fees and general
and administrative overhead
(71,802) (88,670)(76,651)
Interest received 3,511 2,092 1,995
--------
- -------- --------
Net cash provided by operating activities 192,219 164,799
433,100
--------
- -------- --------
Cash flows provided by investing activities:

Additions to oil and gas properties - (237) -
Sale of oil and gas properties 213,097 117,490 -
--------
- -------- --------
Net cash provided by investing activities 213,097 117,253 -
--------
- -------- --------
Cash flows used in financing activities:

Distributions to partners (274,960) (298,546)(416,633)
--------
- -------- --------
Net increase (decrease) in cash and
cash equivalents 130,356 (16,494) 16,467

Beginning of year 13,462 29,956 13,489
--------
- -------- --------
End of year $ 143,818 13,462 29,956
========
======== ========

(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, 1999, 1998 and 1997

1999 1998 1997
---- ---- ----

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

Net income $ 228,523 3,941 249,950

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

Depreciation, depletion and amortization 25,000 109,000
118,000
(Increase) decrease in receivables (63,441) 53,564 65,150
(Decrease) increase in payables 2,137 (1,706) -
-------
- ------- -------
Net cash provided by operating activities $ 192,219 164,799 433,100
=======
======= =======

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, 1999, 1998 and 1997,
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, 1999, the
Partnership was overproduced by 364 mcf of gas. As of December 31,
1998 and 1997 the Partnership was overproduced by 360 mcf of gas.

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, 1999 and 1998 is $151,062 and $105,193, 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, 1999, 1998 and 1997, there were 9,782 limited
partner units outstanding held by 612, 622 and 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.

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.

3. Liquidity - Managing General Partner
The Managing General Partner has a highly leveraged capital structure
with over $35.1 million principal and $17.5 million interest payments
due in 2000 on its debt obligations. Due to the severely depressed
commodity prices experienced during the last quarter of 1997,
throughout 1998 and continuing through the second quarter of 1999 the
Managing General Partner is experiencing difficulty in generating
sufficient cash flow to meet its obligations and sustain its
operations. The Managing General Partner is currently in the process
of renegotiating the terms of its various obligations with its
creditors and/or attempting to seek new lenders or equity investors.
Additionally, the Managing General Partner would consider disposing of
certain assets in order to meet its obligations.

There can be no assurance that the Managing General Partner's debt
restructuring efforts will be successful or that the lenders will
agree to a course of action consistent with the Managing General
Partners requirements in restructuring the obligations. Even if such
agreement is reached, it may require approval of additional lenders,
which is not assured. Furthermore, there can be no assurance that the
sales of assets can be successfully accomplished on terms acceptable
to the Managing General Partner. Under current circumstances, the
Managing General Partner's ability to continue as a going concern
depends upon its ability to (1) successfully restructure its
obligations or obtain additional financing as may be required, (2)
maintain compliance with all debt covenants, (3) generate sufficient
cash flow to meet its obligations on a timely basis, and (4) achieve
satisfactory levels of future earnings. If the Managing General
Partner is unsuccessful in its efforts, it may be unable to meet its
obligations making it necessary to undertake such other actions as may
be appropriate to preserve asset values.

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

Notes to Financial Statements

4. 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, 1999, 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

5. 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 $68,300, $86,500 and $89,700 for the years
ended December 31, 1999, 1998 and 1997, 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
$18,000, $3,900 and none for the years ended December 31, 1999, 1998
and 1997, 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 1999, 1998 and 1997 as an administrative fee for
indirect general and administrative overhead expenses.

Receivables from Southwest Royalties, Inc., the Managing General
Partner, of approximately $92,800 and $31,500 are from oil and gas
production, net of lease operating costs and production taxes, as of
December 31, 1999 and 1998, 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, 1999, 1998 and 1997.

6. 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 62% of the Partnership's total oil and gas production
during 1999: Phillips 66 Company for 62%. One purchaser accounted
for 62% of the Partnership's total oil and gas production during 1998:
Phillips 66 Company 62%. One purchaser accounted for 63% of the
Partnership's total oil and gas production during 1997: Phillips 66
Company 63%. 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

7. 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, 1997 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

Revisions of previous estimates (56,000) 36,000
Production (29,000) (161,000)
Sale of minerals in place - (20,000)
------- ---------
December 31, 1998 172,000 984,000

Revisions of previous estimates 134,000 350,000
Production (22,000) (136,000)
Sale of minerals in place (5,000) (42,000)
------- ---------
December 31, 1999 279,000 1,156,000
======= =========

Proved developed reserves -

December 31, 1997 225,000 1,083,000
======= =========
December 31, 1998 144,000 893,000
======= =========
December 31, 1999 252,000 1,066,000
======= =========

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

*Donald R. Creamer, P.E., an Independent Registered Petroleum Engineer
prepared the reserve and present value data for the Partnership's
existing properties as of January 1, 2000. 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, 1999 of $25.60
was used as the beginning basis for the oil price. Oil price
adjustments from $25.60 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
$23.67 per barrel in the preparation of the reserve report as of
January 1, 2000.

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

Notes to Financial Statements

7. Estimated Oil and Gas Reserves (unaudited) - continued
In the determination of the gas price, the New York Mercantile
Exchange price at December 31, 1999 of $2.33 was used as the beginning
basis. Gas price adjustments from $2.33 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 $1.90 per Mcf in the
preparation of the reserve report as of January 1, 2000.

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

7. 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, 1999, 1998 and 1997 is
presented below:

1999 1998 1997
---- ---- ----

Future cash inflows, net of
production and development
costs $ 4,794,000 1,464,000 3,168,000
10% annual discount for
estimated timing of cash
flows 2,172,000 498,000 1,190,000
--------- --------- ---------
Standardized measure of
discounted future net cash
flows $ 2,622,000 966,000 1,978,000
========= ========= =========

The principal sources of change in the standardized measure of
discounted future net cash flows for the years ended December 31,
1999, 1998 and 1997 are as follows:

1999 1998 1997
---- ---- ----

Sales of oil and gas produced,
net of production costs $ (323,000) (198,000) (443,000)
Changes in prices and production costs 1,011,000 (842,000)
(2,566,000)
Changes of production rates
(timing) and others (121,000) (14,000) 153,000
Sales of minerals in place (70,000) (13,000) -
Revisions of previous
quantities estimates 1,062,000 (143,000) (930,000)
Accretion of discount 97,000 198,000 497,000
Extensions and discoveries, net
of production costs -
- - 302,000
Discounted future net
cash flows -
Beginning of year 966,000 1,978,000 4,965,000
--------- --------- ---------
End of year $ 2,622,00 966,000 1,978,000
========= ========= =========

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
None

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 44 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

J. Steven Person 41 Vice President, Marketing

Paul L. Morris 58 Director

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.

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.

Paul L. Morris has served as a Director of Southwest Royalties Holdings,
Inc. since August 1998 and Southwest Royalties, Inc. since September 1998.
Mr. Morris is President and CEO of Wagner & Brown, Ltd., one of the largest
independently owned oil and gas companies in the United States. Prior to
his position with Wagner & Brown, Mr. Morris served as President of Banner
Energy and in various managerial positions with Columbia Gas System, Inc.

Key Employees

Jon P. Tate, Vice President, Land and Assistant Secretary, age 42, 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.

R. Douglas Keathley, Vice President, Operations, age 44, 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.

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 1999, 1998 and 1997 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
210 limited partner units, or a 2.2% limited partner interest. The
Managing General Partner total percentage interest ownership in the
Partnership is 10.9%.

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 2.2%
Interest Managing General Partner 210 Units
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership H. H. Wommack, III Indirectly Owns 2.2%
Interest Chairman of the Board, 210 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 2.2%
Interest Secretary and Director of 210 Units
Southwest Royalties, Inc.,
the Managing General
Partner
633 Chestnut Street
Chattanooga, TN 37450-1800

Limited Partnership Bill E. Coggin Indirectly Owns 2.2%
Interest Vice President and CFO of 210 Units
Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership J. Steven Person Indirectly Owns 2.2%
Interest Vice President, Marketing 210 Units
of Southwest Royalties, Inc.,
the Managing General
Partner
407 N. Big Spring Street
Midland, TX 79701

Limited Partnership Paul L. Morris Indirectly Owns 2.2%
Interest Director, of Southwest 210 Units
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 1999, 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 $68,300 for administrative
overhead attributable to operating such properties during 1999.

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 --

Independent Auditors Report
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.)

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, 1999.

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, 2000

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, 2000

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

Date: March 31, 2000