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FORM 10-Q


SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D. C. 20549

(Mark One)

(X) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2003

OR

( ) TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934

For the transition period from _________________ to _______________

Commission file number 0-16494

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

Delaware 75-2220418
(State or other jurisdiction of (I.R.S.
Employer
incorporation or organization)
Identification No.)

407 N. Big Spring, Suite 300
_________Midland, Texas 79701_________
(Address of principal executive offices)

________(432) 686-9927________
(Registrant's telephone number,
including area code)

Indicate by check mark whether registrant (1) has filed all 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 whether registrant is an accelerated filer (as
defined in Rule 12b-2 of the Exchange Act).

Yes ____ No __X__


The total number of pages contained in this report is 26.



Glossary of Oil and Gas Terms
The following are abbreviations and definitions of terms commonly used in
the oil and gas industry that are used in this filing. All volumes of
natural gas referred to herein are stated at the legal pressure base to the
state or area where the reserves exit and at 60 degrees Fahrenheit and in
most instances are rounded to the nearest major multiple.

Bbl. One stock tank barrel, or 42 United States gallons liquid volume.

Developmental well. A well drilled within the proved area of an oil or
natural gas reservoir to the depth of a stratigraphic horizon known to be
productive.

Exploratory well. A well drilled to find and produce oil or gas in an
unproved area to find a new reservoir in a field previously found to be
productive of oil or natural gas in another reservoir or to extend a known
reservoir.

Farm-out arrangement. An agreement whereby the owner of the leasehold
or working interest agrees to assign his interest in certain specific
acreage to the assignee, retaining some interest, such as an overriding
royalty interest, subject to the drilling of one (1) or more wells or other
performance by the assignee.

Field. An area consisting of a single reservoir or multiple reservoirs
all grouped on or related to the same individual geological structural
feature and/or stratigraphic condition.

Mcf. One thousand cubic feet.

Net Profits Interest. An agreement whereby the owner receives a
specified percentage of the defined net profits from a producing property
in exchange for consideration paid. The net profits interest owner will
not otherwise participate in additional costs and expenses of the property.

Oil. Crude oil, condensate and natural gas liquids.

Overriding royalty interest. Interests that are carved out of a
working interest, and their duration is limited by the term of the lease
under which they are created.


Present value and PV-10 Value. When used with respect to oil and
natural gas reserves, the estimated future net revenue to be generated from
the production of proved reserves, determined in all material respects in
accordance with the rules and regulations of the SEC (generally using
prices and costs in effect as of the date indicated) without giving effect
to non-property related expenses such as general and administrative
expenses, debt service and future income tax expenses or to depreciation,
depletion and amortization, discounted using an annual discount rate of
10%.

Production costs. Costs incurred to operate and maintain wells and
related equipment and facilities, including depreciation and applicable
operating costs of support equipment and facilities and other costs of
operating and maintaining those wells and related equipment and facilities.

Proved Area. The part of a property to which proved reserves have been
specifically attributed.

Proved developed oil and gas reserves. Proved developed oil and gas
reserves are reserves that can be expected to be recovered from existing
wells with existing equipment and operating methods.

Proved properties. Properties with proved reserves.

Proved reserves. The estimated quantities of crude oil, natural gas,
and natural gas liquids that geological and engineering data demonstrate
with reasonable certainty to be recoverable in future years from known
reservoirs under existing economic and operating conditions.

Proved undeveloped reserves. Proved undeveloped oil and gas reserves
are reserves that are expected to be recovered from new wells on undrilled
acreage, or from existing wells where a relatively major expenditure is
required for recompletion.

Reservoir. A porous and permeable underground formation containing a
natural accumulation of producible oil or gas that is confined by
impermeable rock or water barriers and is individual and separate from
other reservoirs.

Royalty interest. An interest in an oil and natural gas property
entitling the owner to a share of oil or natural gas production free of
costs of production.

Working interest. The operating interest that gives the owner the
right to drill, produce and conduct operating activities on the property
and a share of production.

Workover. Operations on a producing well to restore or increase
production.





PART I. - FINANCIAL INFORMATION

Item 1. Financial Statements

The unaudited condensed financial statements included herein have been
prepared by the Registrant (herein also referred to as the "Partnership")
in accordance with generally accepted accounting principles for interim
financial information and with the instructions to Form 10-Q and Rule 10-01
of Regulation S-X. Accordingly, they do not include all of the information
and footnotes required by generally accepted accounting principles for
complete financial statements. In the opinion of management, all
adjustments necessary for a fair presentation have been included and are of
a normal recurring nature. The financial statements should be read in
conjunction with the audited financial statements and the notes thereto for
the year ended December 31, 2002, which are found in the Registrant's
Amendment No. 1 to its Annual Report on Form 10-K for 2002 filed with the
Securities and Exchange Commission on November 10, 2003. The December 31,
2002 balance sheet included herein has been derived from the Registrant's
Amendment No. 1 to its Annual Report on Form 10-K for 2002. Operating
results for the three and nine month periods ended September 30, 2003 are
not necessarily indicative of the results for the full year.

Introductory Note - Statement of Financial Accounting Standard No. 143
The Partnership implemented SFAS No. 143 effective January 1, 2003 (See
Note 3) to the Partnership's financial statements.

Introductory Note - Depletion Method
During the fourth quarter of 2002, the Partnership changed its method of
providing for depletion from the units-of-revenue method to the units-of-
production method as described in Notes 4 and 6 to the Partnership's
financial statements.

This change in depletion method was applied as a cumulative effect of a
change in accounting principle effective as of January 1, 2002. The
unaudited condensed financial statements of the Partnership for the periods
ended September 30, 2002, included herein, have been restated (as described
in Notes 4 and 6 to the Partnership's financial statements) using the new
depletion method and differ from those previously issued in the
Partnership's Quarterly Report on Form 10-Q for the periods ended September
30, 2002.



Southwest Royalties Institutional Income Fund VIII-B, L.P.
Balance Sheets

Septembe December
r 30, 31,
2003 2002
------ ------
(unaudit
ed)
Assets
- ----------

Current assets:
Cash and cash equivalents $ 163,403 79,078
Receivable from Managing 107,618 125,223
General Partner
-------- --------
---- ----
Total current assets 271,021 204,301
-------- --------
---- ----
Oil and gas properties -
using the full-
cost method of accounting 4,071,02 4,133,49
7 6
Less accumulated
depreciation,
depletion and 3,719,67 3,761,05
amortization 7 8
-------- --------
---- ----
Net oil and gas 351,350 372,438
properties
-------- --------
---- ----
$ 622,371 576,739
======= =======
Liabilities and Partners'
Equity
- ----------------------------
- ------------

Current liability - $ 191 510
distributions payable
-------- --------
---- ----
Other long term liabilities 156,986 -
-------- --------
---- ----
Partners' equity:
General partner 6,873 14,705
Limited partners 458,321 561,524
-------- --------
---- ----
Total partners' equity 465,194 576,229
-------- --------
---- ----
$ 622,371 576,739
======= =======



Southwest Royalties Institutional Income Fund VIII-B, L.P.
Statements of Operations
(unaudited)

Three Months Ended Nine Months Ended
September 30, September 30,
2003 2002 2003 2002
(Restate (Restate
d) d)
---- ---- ---- ----
Revenues
- -------------
Income from net profits $ 182,815 122,051 577,002 254,948
interests
Interest 401 210 1,084 609
Miscellaneous settlement 1 1 - 2,254
-------- -------- -------- --------
-- -- -- --
183,217 122,262 578,086 257,811
-------- -------- -------- --------
-- -- -- --
Expenses
- ------------
General and administrative 21,634 20,300 68,316 58,808
Depreciation, depletion and 5,000 8,000 19,000 23,000
amortization
Accretion of asset retirement 2,962 - 10,403 -
obligation
-------- -------- -------- --------
-- -- -- --
29,596 28,300 97,719 81,808
-------- -------- -------- --------
-- -- -- --
Net income from continuing 153,621 93,962 480,367 176,003
operations

Results from discontinued
operations -
sale of oil and gas leases - 61 5,324 12,201 11,704
See Note 5
-------- -------- -------- --------
-- -- -- --
Net income before cumulative 153,682 99,286 492,568 187,707
effect

Cumulative effect of change in
accounting
principle - SFAS No. 143 - - - (84,885) -
See Note 3
Cumulative effect of change in
accounting principle
- change in depletion method - - - (5,000)
- - See Note 4
-------- -------- -------- --------
-- -- -- --
Net income $ 153,682 99,286 407,683 182,707
====== ====== ====== ======

continued


Southwest Royalties Institutional Income Fund VIII-B, L.P.
Statements of Operations
(unaudited)

Three Months Ended Nine Months Ended
September 30, September 30,
2003 2002 2003 2002
(Restate (Restate
d) d)
---- ---- ---- ----
Net income allocated to:
Managing General Partner $ 15,868 10,729 42,668 21,071
====== ======= ====== ======
Limited Partners $ 137,814 88,557 365,015 161,636
====== ======= ====== ======
Per limited partner unit $ 13.57
before discontinued 8.26 42.41 15.39
operations and cumulative
effect
Discontinued operations per .01 .47
limited partner unit 1.08 1.04
Cumulative effects per - - (7.52) (.50)
limited partner unit
-------- -------- -------- --------
-- -- -- --
Per limited partner unit $ 13.58
8.73 35.97 15.93
====== ======= ====== ======
Pro forma amounts assuming
change is applied
retroactively (See Note 3):
Net income before cumulative $ - 95,165 - 175,344
effect
====== ======= ====== ======
Per limited partner unit $ - 8.36 - 15.33
(10,147.0)
====== ======= ====== ======
Net income $ - 95,165 - 170,344
====== ======= ====== ======
Per limited partner unit $ - 8.36 - 14.83
(10,147.0)
====== ======= ====== ======



Southwest Royalties Institutional Income Fund VIII-B, L.P.
Statements of Cash Flows
(unaudited)

Nine Month Ended
September 30,
2003 2002
(Restat
ed)
---- ----
Cash flows from operating
activities
Cash received from income from
net
profits interests $ 563,667 187,542
Net cash received from 12,201 11,704
discontinued operations
Cash paid to suppliers (37,377 (47,818
) )
Interest received 1,084 609
Miscellaneous settlement - 2,254
------- -------
--- ----
Net cash provided by operating 539,575 154,291
activities
------- -------
--- ----
Cash flows from investing
activities
Sale of oil and gas properties 63,787 -
------- -------
--- ----
Cash flows used in financing
activities
Distributions to partners (519,03 (154,75
7) 7)
------- -------
--- ----
Net increase (decrease) in 84,325 (466)
cash and cash equivalents

Beginning of period 79,078 63,123
------- -------
--- ----
End of period $ 163,403 62,657
====== ======
Reconciliation of net income to
net cash
provided by operating
activities

Net income $ 407,683 182,707

Adjustments to reconcile net
income to net
cash provided by operating
activities
Depreciation, depletion and 19,000 23,000
amortization
Accretion of asset retirement 10,403 -
obligation
Cumulative effect of change in
accounting
principle - SFAS No. 143 84,885 -
Cumulative effect of change in
accounting
principle - change in - 5,000
depletion method
Increase in receivables (13,335 (67,407
) )
Increase in payables 30,939 10,991
------- -------
--- ----
Net cash provided by operating $ 539,575 154,291
activities
====== ======
Noncash investing and financing
activities:

Increase in oil and gas
properties - Adoption
of SFAS No. 143 $ 139,086 -
Decrease in oil and gas
properties - SFAS No. 143
sale of property $ 77,435 -
Increase in oil and gas
properties - SFAS No. 143
Addition of well due to $ 47 -
farmout arrangement
====== ======

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

Notes to Financial Statements

1. Organization
Southwest Royalties Institutional Income Fund VIII-B, L.P. was
organized under the laws of the state of Delaware on November 30,
1987, 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 offering of
limited partner units began March 31, 1988, minimum capital
requirements were met July 11, 1988, with the offering concluded on
March 31, 1989.

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. Revenues, costs and expenses are allocated as
follows:
Limited General
Partners Partners
-------- --------
Interest income on capital 100% -
contributions
Oil and gas sales from net 90% 10%
profits interests
All other revenues 90% 10%
Organization and offering 100% -
costs (1)
Amortization of organization 100% -
costs
Property acquisition costs 100% -
Gain/loss on property 90% 10%
dispositions
Operating and administrative 90% 10%
costs (2)
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 Partner and will be
treated as a capital contribution.

2. Summary of Significant Accounting Policies
The interim financial information as of September 30, 2003, and for
the three and nine months ended September 30, 2003, is unaudited.
Certain information and footnote disclosures normally included in
financial statements prepared in accordance with generally accepted
accounting principles have been condensed or omitted in this Form 10-Q
pursuant to the rules and regulations of the Securities and Exchange
Commission. However, in the opinion of management, these interim
financial statements include all the necessary adjustments to fairly
present the results of the interim periods and all such adjustments
are of a normal recurring nature. The interim consolidated financial
statements should be read in conjunction with the Partnership's
Amendment No. 1 to its Annual Report on Form 10-K for the year ended
December 31, 2002, filed with SEC on November 10, 2003.


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

Notes to Financial Statements

3. Cumulative effect of change in accounting principle - SFAS No. 143
On January 1, 2003, the Partnership adopted Statement of Financial
Accounting Standards No. 143, Accounting for Asset Retirement
Obligations ("SFAS No. 143"). Adoption of SFAS No. 143 is required
for all companies with fiscal years beginning after June 15, 2002.
The new standard requires the Partnership to recognize a liability for
the present value of all legal obligations associated with the
retirement of tangible long-lived assets and to capitalize an equal
amount as a cost of the asset and depreciate the additional cost over
the estimated useful life of the asset. On January 1, 2003, the
Partnership recorded additional costs, net of accumulated
depreciation, of approximately $139,086, a long term liability of
approximately $223,971 and a loss of approximately $84,885 for the
cumulative effect on depreciation of the additional costs and
accretion expense on the liability related to expected abandonment
costs of its oil and natural gas producing properties. At September
30, 2003, the asset retirement obligation was $156,986. The decrease
in the balance from January 1, 2003 is due to the sale of oil and gas
properties, which decreased the asset retirement obligation by $77,435
offset slightly by accretion expense of $10,403 and an additional well
of $47. The pro forma amounts for the three and nine months ended
September 30, 2002, which are presented on the face of the statements
of operations, reflect the effect of retroactive application of SFAS
No. 143.

4. Cumulative effect of change in accounting principle - change in
depletion method
In the fourth quarter of 2002, the Partnership changed methods of
accounting for depletion of capitalized costs from the units-of-
revenue method to the units-of-production method. The newly adopted
accounting principle is preferable in the circumstances because the
units-of-production method results in a better matching of the costs
of oil and gas production against the related revenue received in
periods of volatile prices for production as have been experienced in
recent periods. Additionally, the units-of-production method is the
predominant method used by full cost companies in the oil and gas
industry, accordingly, the change improves the comparability of the
Partnership's financial statements with its peer group. The
Partnership adopted the units-of-production method through the
recording of a cumulative effect of a change in accounting principle
in the amount of $5,000 effective as of January 1, 2002. The
Partnership's depletion for the three and nine months ended September
30, 2003 and 2002 has been calculated using the units-of-production
method. The effect of the change on the three and nine months ended
September 30, 2002 was to decrease income before cumulative effect of
a change in accounting principle by $1,000 and $1,000 ($.10 and $.10
per limited partner unit), respectively and decrease net income by
$1,000 and $6,000 ($.10 and $.59 per limited partner unit),
respectively.

5. Discontinued Operations - Sale of oil and gas leases
During the three months ended June 30, 2003, the Partnership sold its
interest in certain oil, gas and salt water disposal wells for $63,787
sales proceeds and retired $77,435 of asset retirement obligation
associated with the properties. Since the Partnership is under the
full cost pool method of accounting, the sales proceeds and asset
retirement obligation liability were taken against the oil and gas
properties asset account and therefore, no gain or loss was recorded
and shown on the statement of operations as part of the discontinued
operations. Pursuant to the requirements of SFAS No. 144, the
historical operating results from these properties have been reported
as discontinued operations in the accompanying statements of
operations. The following table summarizes certain historical
operating information related to the discontinued operations:

Three Months Ended Nine Months Ended
2003 2002 2003 2002

Income from net $ 61 5,324 12,201 11,704
profits interest



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

Notes to Financial Statements

6. September 30, 2002 Restatement
During the fourth quarter of 2002, the Partnership changed its method
of providing for depletion from the units-of-revenue method to the
units-of-production method as described in Note 4.

This change in the method used to implement the Partnership's change
in the manner in which it determines depletion resulted in a decrease
in the Partnership's previously reported net oil and gas properties of
$6,000 from $378,438 to $372,438 as of December 31, 2002 and did not
effect the Partnership's 2002 cash flows from operations, investing or
financing activities.

The change had the following effects on the Statement of Operations
for the three and nine months ended September 30, 2002.

Three Months Ended Nine Months Ended
Previous Previous
ly ly
Restated Reported Restated Reported
Depreciation,
depletion and
amortization $8,000 7,000 23,000 22,000
Income before 99,286 100,286 187,707 188,707
cumulative effect
Cumulative effect of
change in
accounting principle - - (5,000) -
Net income 99,286 100,286 182,707 188,707
Net income allocated
to:
Managing General 10,729 10,729 21,071 21,071
Partner
Limited partners 88,557 89,557 161,636 167,636
Income per limited
partner
unit before 8.73
cumulative effect 8.83 16.43 16.52
Cumulative effect
per limited
partner unit - - (.50) -
Net income per
limited
partner unit 8.73
8.83 15.93 16.52



Item 2. Management's Discussion and Analysis of Financial Condition and
Results of Operations

General
Southwest Royalties Institutional Income Fund VIII-B, L.P. was organized as
a Delaware limited partnership on November 30, 1987. The offering of such
limited partnership interests began March 31, 1988, minimum capital
requirements were met July 11, 1988, and concluded on March 31, 1989 with
total limited partner contributions of $5,073,500.

The Partnership was formed to acquire royalty and net profits interests in
producing oil and gas properties, to produce and market crude oil and
natural gas produced from such properties, and to distribute the net
proceeds from operations to the limited and general partners. Net revenues
from producing oil and gas properties will not be reinvested in other
revenue producing assets except to the extent that production facilities
and wells are improved or reworked or where methods are employed to improve
or enable more efficient recovery of oil and gas reserves.

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 farmout arrangements, sales of properties, and 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 partners is
therefore expected to fluctuate in later years based on these factors.

Based on current conditions, management anticipates performing development
drilling projects and workovers during the years 2003 and 2004 to enhance
production. The Partnership may have an increase in production volumes for
the years 2003 and 2004, otherwise, the Partnership will most likely
experience the historical production decline, which has approximated 6% per
year.

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.

In the fourth quarter of 2002, the Partnership changed methods of
accounting for depletion of capitalized costs from the units-of-revenue
method to the units-of-production method. The newly adopted accounting
principle is preferable in the circumstances because the units-of-
production method results in a better matching of the costs of oil and gas
production against the related revenue received in periods of volatile
prices for production as have been experienced in recent periods.
Additionally, the units-of-production method is the predominant method used
by full cost companies in the oil and gas industry, accordingly, the change
improves the comparability of the Partnership's financial statements with
its peer group.

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 September 30, 2003, 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.

The Partnership recognizes income from its net profits interest in oil and
gas property on an accrual basis, while the quarterly cash distributions of
the net profits interest are based on a calculation of actual cash received
from oil and gas sales, net of expenses incurred during that quarterly
period. If the net profits interest calculation results in expenses
incurred exceeding the oil and gas income received during a quarter, no
cash distribution is due to the Partnership's net profits interest until
the deficit is recovered from future net profits. The Partnership accrues
a quarterly loss on its net profits interest provided there is a cumulative
net amount due for accrued revenue as of the balance sheet date. As of
September 30, 2003, there were no timing differences, which resulted in a
deficit net profit interest.

Critical Accounting Policies

Full cost ceiling calculations The Partnership follows the full cost method
of accounting for its oil and gas properties. The full cost method
subjects companies to quarterly calculations of a "ceiling", or limitation
on the amount of properties that can be capitalized on the balance sheet.
If the Partnership's capitalized costs are in excess of the calculated
ceiling, the excess must be written off as an expense.

The Partnership's discounted present value of its proved oil and natural
gas reserves is a major component of the ceiling calculation, and
represents the component that requires the most subjective judgments.
Estimates of reserves are forecasts based on engineering data, projected
future rates of production and the timing of future expenditures. The
process of estimating oil and natural gas reserves requires substantial
judgment, resulting in imprecise determinations, particularly for new
discoveries. Different reserve engineers may make different estimates of
reserve quantities based on the same data. The Partnership's reserve
estimates are prepared by outside consultants.

The passage of time provides more qualitative information regarding
estimates of reserves, and revisions are made to prior estimates to reflect
updated information. However, there can be no assurance that more
significant revisions will not be necessary in the future. If future
significant revisions are necessary that reduce previously estimated
reserve quantities, it could result in a full cost property writedown. In
addition to the impact of these estimates of proved reserves on calculation
of the ceiling, estimates of proved reserves are also a significant
component of the calculation of DD&A.

While estimating the quantities of proved reserves require substantial
judgment, the associated prices of oil and natural gas reserves that are
included in the discounted present value of the reserves do not require
judgment. The ceiling calculation dictates that prices and costs in effect
as of the last day of the period are generally held constant indefinitely.
Because the ceiling calculation dictates that prices in effect as of the
last day of the applicable quarter are held constant indefinitely, the
resulting value may not be indicative of the true fair value of the
reserves. Oil and natural gas prices have historically been cyclical and,
on any particular day at the end of a quarter, can be either substantially
higher or lower than the Partnership's long-term price forecast that is a
barometer for true fair value.

In the fourth quarter of 2002, the Partnership changed methods of
accounting for depletion of capitalized costs from the units-of-revenue
method to the units-of-production method. The newly adopted accounting
principle is preferable in the circumstances because the units-of-
production method results in a better matching of the costs of oil and gas
production against the related revenue received in periods of volatile
prices for production as have been experienced in recent periods.
Additionally, the units-of-production method is the predominant method used
by full cost companies in the oil and gas industry, accordingly, the change
improves the comparability of the Partnership's financial statements with
its peer group.


Results of Operations

A. General Comparison of the Quarters Ended September 30, 2003 and 2002

The following table provides certain information regarding performance
factors for the quarters ended September 30, 2003 and 2002:

Three Months
Ended Percenta
ge
September 30, Increase
2003 2002 (Decreas
e)
---- ---- --------
--
Average price per barrel of $ 29.23 8%
oil 27.01
Average price per mcf of gas $ 4.63 55%
2.98
Oil production in barrels 9,500 9,400 1%
Gas production in mcf 8,600 9,600 (10%)
Income from net profits $ 182,815 122,051 50%
interests
Partnership distributions $ 213,718 50,000 327%
Limited partner $ 193,718 45,000 330%
distributions
Per unit distribution to
limited
partners $ 19.09 330%
4.43
Number of limited partner 10,147 10,147
units

Revenues

The Partnership's income from net profits interests increased to $182,815
from $122,051 for the quarters ended September 30, 2003 and 2002,
respectively, an increase of 50%. The principal factors affecting the
comparison of the quarters ended September 30, 2003 and 2002 are as
follows:

1. The average price for a barrel of oil received by the Partnership
increased during the quarter ended September 30, 2003 as compared to
the quarter ended September 30, 2002 by 8%, or $2.22 per barrel,
resulting in an increase of approximately $21,100 in income from net
profits interests. Oil sales represented 87% of total oil and gas
sales during the quarter ended September 30, 2003 as compared to 90%
during the quarter ended September 30, 2002.

The average price for an mcf of gas received by the Partnership
increased during the same period by 55%, or $1.65 per mcf, resulting
in an increase of approximately $14,200 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
$35,300. 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 100 barrels or 1% during the
quarter ended September 30, 2003 as compared to the quarter ended
September 30, 2002, resulting in an increase of approximately $2,700 in
income from net profits interests.

Gas production decreased approximately 1,000 mcf or 10% during the same
period, resulting in a decrease of approximately $3,000 in income from
net profits interests.

The net total decrease in income from net profits interests due to the
change in production is approximately $300.

3. Lease operating costs and production taxes were 9% lower, or
approximately $13,800 less during the quarter ended September 30, 2003
as compared to the quarter ended September 30, 2002.

Costs and Expenses

Total costs and expenses increased to $29,596 from $28,300 for the quarters
ended September 30, 2003 and 2002, respectively, an increase of 5%. The
increase is the result of the addition of accretion expense and higher
general and administrative expense, 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 7%
or approximately $1,300 during the quarter ended September 30, 2003 as
compared to the quarter ended September 30, 2002.

2. Depletion expense decreased to $5,000 for the quarter ended September
30, 2003 from $8,000 for the same period in 2002. This represents a
decrease of 38%. In the fourth quarter of 2002, the Partnership
changed methods of accounting for depletion of capitalized costs from
the units-of-revenue method to the units-of-production method. The
newly adopted accounting principle is preferable in the circumstances
because the units-of-production method results in a better matching of
the costs of oil and gas production against the related revenue
received in periods of volatile prices for production as have been
experienced in recent periods. Additionally, the units-of-production
method is the predominant method used by full cost companies in the oil
and gas industry, accordingly, the change improves the comparability of
the Partnership's financial statements with its peer group. The effect
of this change in method was to increase depletion expense for the
three months ended September 30, 2002 by $1,000 and decrease net income
for the three months ended September 30, 2002 by $1,000(See Note 4 of
the notes to the financial statements). The contributing factor to the
decrease in depletion expense is in relation to the BOE depletion rate
for the quarter ended September 30, 2003, which was $.46 applied to
10,933 BOE as compared to $.73 applied to 11,000 BOE for the same
period. The decline is due largely to the sale of two oil and gas
properties.





B. General Comparison of the Nine Month Periods Ended September 30, 2003
and 2002

The following table provides certain information regarding performance
factors for the nine month periods ended September 30, 2003 and 2002:

Nine Months
Ended Percenta
ge
September 30, Increase
2003 2002 (Decreas
e)
---- ---- --------
--
Average price per barrel of $ 29.71 27%
oil 23.48
Average price per mcf of gas $ 5.13 78%
2.89
Oil production in barrels 29,700 27,100 10%
Gas production in mcf 26,500 27,100 (2%)
Income from net profits $ 577,002 254,948 126%
interests
Partnership distributions $ 518,718 155,000 235%
Limited partner $ 468,218 139,500 236%
distributions
Per unit distribution to
limited
partners $ 46.14 236%
13.75
Number of limited partner 10,147 10,147
units

Revenues

The Partnership's income from net profits interests increased to $577,002
from $254,948 for the nine months ended September 30, 2003 and 2002,
respectively, an increase of 126%. The principal factors affecting the
comparison of the nine months ended September 30, 2003 and 2002 are as
follows:

1. The average price for a barrel of oil received by the Partnership
increased during the nine months ended September 30, 2003 as compared
to the nine months ended September 30, 2002 by 27%, or $6.23 per
barrel, resulting in an increase of approximately $185,000 in income
from net profits interests. Oil sales represented 87% of total oil and
gas sales during the nine months ended September 30, 2003 as compared
to 89% during the nine months ended September 30, 2002.

The average price for an mcf of gas received by the Partnership
increased during the same period by 78%, or $2.24 per mcf, resulting in
an increase of approximately $59,400 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
$244,400. 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 2,600 barrels or 10% during the
nine months ended September 30, 2003 as compared to the nine months
ended September 30, 2002, resulting in an increase of approximately
$61,000 in income from net profits interests.

Gas production decreased approximately 600 mcf or 2% during the same
period, resulting in a decrease of approximately $1,700 in income from
net profits interests.

The net total increase in income from net profits interests due to the
change in production is approximately $59,300.

3. Lease operating costs and production taxes were 2% lower, or
approximately $8,800 less during the nine months ended September 30,
2003 as compared to the nine months ended September 30, 2002.

Costs and Expenses

Total costs and expenses increased to $97,719 from $81,808 for the nine
months ended September 30, 2003 and 2002, respectively, an increase of 19%.
The increase is the result of the addition of accretion expense and higher
general and administrative expense, 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
16% or approximately $9,500 during the nine months ended September 30,
2003 as compared to the nine months ended September 30, 2002. The
increase in general and administrative expense is due to an increase in
independent accounting review and audit fees.

2. Depletion expense decreased to $19,000 for the nine months ended
September 30, 2003 from $23,000 for the same period in 2002. This
represents a decrease of 17%. In the fourth quarter of 2002, the
Partnership changed methods of accounting for depletion of capitalized
costs from the units-of-revenue method to the units-of-production
method. The newly adopted accounting principle is preferable in the
circumstances because the units-of-production method results in a
better matching of the costs of oil and gas production against the
related revenue received in periods of volatile prices for production
as have been experienced in recent periods. Additionally, the units-of-
production method is the predominant method used by full cost companies
in the oil and gas industry, accordingly, the change improves the
comparability of the Partnership's financial statements with its peer
group. The effect of this change in method was to increase depletion
expense for the nine months ended September 30, 2002 by $1,000 and
decrease net income for the nine months ended September 30, 2002 by
$6,000(See Note 4 of the notes to the financial statements). The
contributing factor to the decrease in depletion expense is in relation
to the BOE depletion rate for the nine months ended September 30, 2003,
which was $.56 applied to 34,117 BOE as compared to $.73 applied to
31,617 BOE for the same period.

Cumulative effect of change in accounting principle

On January 1, 2003, the Partnership adopted Statement of Financial
Accounting Standards No. 143, Accounting for Asset Retirement Obligations
("SFAS No. 143"). Adoption of SFAS No. 143 is required for all companies
with fiscal years beginning after June 15, 2002. The new standard requires
the Partnership to recognize a liability for the present value of all legal
obligations associated with the retirement of tangible long-lived assets
and to capitalize an equal amount as a cost of the asset and depreciate the
additional cost over the estimated useful life of the asset. On January 1,
2003, the Partnership recorded additional costs, net of accumulated
depreciation, of approximately $139,086, a long term liability of
approximately $223,971 and a loss of approximately $84,885 for the
cumulative effect on depreciation of the additional costs and accretion
expense on the liability related to expected abandonment costs of its oil
and natural gas producing properties. At September 30, 2003, the asset
retirement obligation was $156,986. The decrease in the balance from
January 1, 2003 is due to the sale of oil and gas properties, which
decreased the asset retirement obligation by $77,435 offset slightly by
accretion expense of $10,403 and an additional well of $47. The pro forma
amounts for the three and nine months ended September 30, 2002, which are
presented on the face of the statements of operations, reflect the effect
of retroactive application of SFAS No. 143.



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.

Cash flows provided by operating activities were approximately $539,600 in
the nine months ended September 30, 2003 as compared to approximately
$154,300 in the nine months ended September 30, 2002. The primary source
of the 2003 cash flow from operating activities was profitable operations.

Cash flows provided by investing activities were approximately $63,800 in
the nine months ended September 30, 2003. There were no cash flows used in
investing activities during the nine months ended September 30, 2002. The
principle source of the 2003 cash flow from investing activities was the
sales of oil and gas properties.

Cash flows used in financing activities were approximately $519,000 in the
nine months ended September 30, 2003 as compared to approximately $154,800
in the nine months ended September 30, 2002. The only use in financing
activities was the distributions to partners.

Total distributions during the nine months ended September 30, 2003 were
$518,718 of which $468,218 was distributed to the limited partners and
$50,500 to the general partners. The per unit distribution to limited
partners during the nine months ended September 30, 2003 was $46.14. Total
distributions during the nine months ended September 30, 2002 were $155,000
of which $139,500 was distributed to the limited partners and $15,500 to
the general partners. The per unit distribution to limited partners during
the nine months ended September 30, 2002 was $13.75.

The source for the 2003 distributions of $518,718 was oil and gas
operations of approximately $539,600, the change in oil and gas property of
approximately $63,800, resulting in excess cash for contingencies or
subsequent. The sources for the 2002 distributions of $155,000 were oil and
gas operations of approximately $154,300, with the balance from available
cash on hand at the beginning of the quarter.

Since inception of the Partnership, cumulative cash distributions of
$7,780,938 have been made to the partners. As of September 30, 2003,
$7,024,701 or $692.29 per limited partner unit has been distributed to the
limited partners, representing an 100% return of the capital and 38% return
on capital contributed.

As of September 30, 2003, the Partnership had approximately $270,800 in
working capital. Although the partnership held many long-lived properties
at inception, because of the restrictions on property development imposed
by the partnership agreement, the Partnership cannot develop its non-
producing properties, if any. Without continued development, the producing
reserves continue to deplete. Accordingly, as the Partnership's properties
have matured and depleted, the net cash flows from operations for the
partnership has steadily declined, except in periods of substantially
increased commodity pricing. Maintenance of properties and administrative
expenses for the Partnership are increasing relative to production. As the
properties continue to deplete, maintenance of properties and
administrative costs as a percentage of production are expected to continue
to increase.

The Managing General Partner has examined various alternatives to address
the issue of depleting producing reserves. Continuing operations exposes
the partnership to an inevitable decline in operating results and
distributions of cash. Liquidating the partnership would result in
immediate realization of cash for limited partners, but prices paid by
purchasers of Partnership property in liquidation would likely include a
substantial discount for risks and uncertainties of future cash flows, as
well as any development risks. After reviewing various alternatives, the
Managing General Partner initiated a plan to merge the Partnership and 20
other limited partnerships with and into the Managing General Partner. On
October 17, 2002, the Managing General Partner filed a Registration
Statement on Form S-4 with the Securities and Exchange Commission relating
to this proposed merger. There is no assurance, however, that this merger
will be consummated. Currently the Managing General Partner is evaluating
whether or not to continue to pursue the proposed merger. Currently the
Managing General Partner is evaluating whether or not to continue to pursue
the proposed merger.





Liquidity - Managing General Partner
In previous reports the Partnership provided that the Managing General
Partner had $124.0 million of principal scheduled to mature between
December 31, 2002 and December 31, 2004. Subsequent to September 30, 2003
the Managing General Partner refinanced the majority of its debt
obligations and currently has $71.7 million in debt scheduled to mature on
June 1, 2006 and $40.0 million in debt scheduled to mature on October 15,
2008. The Managing General Partner believes that it has adequate cash
flows to meet its debt principal maturities scheduled for 2004.

Recent Accounting Pronouncements

The FASB has issued Statement No. 143 "Accounting for Asset Retirement
Obligations" which establishes requirements for the accounting of removal-
type costs associated with asset retirements. The standard is effective
for fiscal years beginning after June 15, 2002, with earlier application
encouraged. This statement has been adopted by the Partnership effective
January 1, 2003. The transition adjustment resulting from the adoption of
SFAS No. 143 has been reported as a cumulative effect of a change in
accounting principle.

In April 2003, the FASB issued Statement of Financial Accounting Standards
No. 149, Amendment of Statement No. 133 on Derivative Instruments and
Hedging Activities ("SFAS No. 149"). SFAS No. 149 amendments require that
contracts with comparable characteristics be accounted for similarly,
clarifies when a contract with an initial investment meets the
characteristic of a derivative and clarifies when a derivative requires
special reporting in the statement of cash flows. SFAS No. 149 is
effective for hedging relationships designated and for contracts entered
into or modified after June 30, 2003, except for provisions that relate to
SFAS No. 133 Statement Implementation Issues that have been effective for
fiscal quarters prior to June 15, 2003, should be applied in accordance
with their respective effective dates and certain provisions relating to
forward purchases or sales of when-issued securities or other securities
that do not yet exist, should be applied to existing contracts as well as
new contracts entered into after June 30, 2003. Assessment by the Managing
General Partner revealed this pronouncement to have no impact on the
Partnership.

In May 2003, the FASB issued Statement of Financial Accounting Standards
No.150, Accounting for Certain Financial Instruments with Characteristics
of both Liabilities and Equity ("SFAS 150"). SFAS 150 establishes
standards for how an issuer classifies and measures certain financial
instruments with characteristics of both liabilities and equity. It
requires that an issuer classify a financial instrument that is within the
scope of SFAS 150 as a liability (or an asset in some circumstances). Many
of those instruments were previously classified as equity. The application
of SFAS 150 is not expected to have a material effect on the Partnership's
consolidated financial statements. This Statement is effective for
financial instruments entered into or modified after May 31, 2003, and
otherwise is effective at the beginning of the first interim period
beginning after June 15, 2003.


Item 3. Quantitative and Qualitative Disclosures About Market Risk

The Partnership is not a party to any derivative or embedded derivative
instruments.

Item 4. Controls and Procedures

(a) Evaluation of Disclosure Controls and Procedures. The senior
management of the Partnership's Managing General Partner is responsible for
establishing and maintaining a system of disclosure controls and procedures
(as defined in Rule 13a-14 and 15d-14 under the Securities Exchange Act of
1934 (the "Exchange Act")) designed to ensure that information required to
be disclosed by the Partnership in the reports that it files or submits
under the Exchange Act is recorded, processed, summarized and reported,
within the time periods specified in the Securities and Exchange
Commission's rules and forms. Disclosure controls and procedures include,
without limitation, controls and procedures designed to ensure that
information required to be disclosed by the issuer in the reports that it
files or submits under the Exchange Act is accumulated and communicated to
the issuer's management, including its principal executive officer of
officers and principal financial officer or officers, or person performing
similar functions, as appropriate to allow timely decisions regarding
required disclosure.

In accordance with Exchange Act Rules 13a-15 and 15d-15, the Partnership
carried out an evaluation, with the participation of the Chief Executive
Officer and Chief Financial Officer of the Managing General Partner, as
well as other key members of the Managing General Partner's management, of
the effectiveness of the Partnership's disclosure controls and procedures
as of the end of the period covered by this report. Based on that
evaluation, the Managing General Partner's Chief Executive Officer and
Chief Financial Officer concluded that the Partnership's disclosure
controls and procedures were effective, as of the end of the period covered
by this report, to provide reasonable assurance that information required
to be disclosed in the Partnership's reports filed or submitted under the
Exchange Act is recorded, processed, summarized and reported within the
time periods specified in the Securities and Exchange Commission's rules
and forms.

(b) Changes in Internal Controls. There have not been any changes in the
Partnership's internal controls over financial reporting identified in
connection with the evaluation described above that occurred during the
Partnership's last fiscal quarter that has materially affected, or is
reasonably likely to materially affect, these internal controls over
financial reporting.



PART II - OTHER INFORMATION


Item 1. Legal Proceedings

None

Item 2. Changes in Securities

None

Item 3. Defaults Upon Senior Securities

None

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

None

Item 5. Other Information

None

Item 6. Exhibits and Reports on Form 8-K

(a) Exhibits:

31.1 Rule 13a-14(a)/15d-14(a) Certification
31.2 Rule 13a-14(a)/15d-14(a) Certification
32.1 Certification of Chief Executive Officer Pursuant to 18
U.S.C. Section
1350, as
adopted Pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002
32.2 Certification of Chief Financial Officer Pursuant to 18
U.S.C. Section
1350, as
adopted Pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002

(b) No reports on Form 8-K were filed during the quarter for which
this report is filed.




SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

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

By: Southwest Royalties, Inc.
Managing General Partner


By: /s/ Bill E. Coggin
------------------------------
Bill E. Coggin, Executive Vice
President
and Chief Financial Officer

Date: November 14, 2003


SECTION 302 CERTIFICATION Exhibit 31.1


I, H.H. Wommack, III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Southwest
Royalties Institutional Income Fund VIII-B, L.P.

2.Based on my knowledge, this report does not contain any untrue statement
of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered
by this report;

3.Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows
of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15-15(e)) and internal
control over financial reporting (as defined in Exchange Act Rules 13a-
15(f) and 15d-15(f) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known to
us by others within those entities, particularly during the period in
which this report is being prepared;

b)Designed such internal control over financial reporting, or caused
such internal control over financial reporting to be designed under
our supervision, to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial
statements for external purposes in accordance with generally accepted
accounting principles;

c)Evaluated the effectiveness of the registrant's disclosure controls
and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end
of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal
control over financial reporting that occurred during the registrant's
most recent fiscal quarter (the registrant's fourth fiscal quarter in
the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrant's internal
control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed, based
on our most recent evaluation of internal control over financial
reporting, to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent
functions):

a)All significant deficiencies and material weaknesses in the design or
operation of internal controls over financial reporting which
reasonably likely to adversely affect the registrant's ability to
record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal
controls over financial reporting.


Date: November 14, 2003 /s/ H. H. Wommack, III
H. H. Wommack, III
Chairman, President and Chief Executive
Officer
of Southwest Royalties, Inc., the
Managing General Partner of
Southwest Royalties Institutional Income
Fund VIII-B, L.P.




SECTION 302 CERTIFICATION Exhibit 31.2


I, Bill E. Coggin, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Southwest
Royalties Institutional Income Fund VIII-B, L.P.

2.Based on my knowledge, this report does not contain any untrue statement
of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such
statements were made, not misleading with respect to the period covered
by this report;

3.Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows
of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer(s) and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15-15(e)) and internal
control over financial reporting (as defined in Exchange Act Rules 13a-
15(f) and 15d-15(f) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known to
us by others within those entities, particularly during the period in
which this report is being prepared;

b)Designed such internal control over financial reporting, or caused
such internal control over financial reporting to be designed under
our supervision, to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial
statements for external purposes in accordance with generally accepted
accounting principles;

c)Evaluated the effectiveness of the registrant's disclosure controls
and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end
of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal
control over financial reporting that occurred during the registrant's
most recent fiscal quarter (the registrant's fourth fiscal quarter in
the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrant's internal
control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed, based
on our most recent evaluation of internal control over financial
reporting, to the registrant's auditors and the audit committee of
registrant's board of directors (or persons performing the equivalent
functions):

a)All significant deficiencies and material weaknesses in the design or
operation of internal controls over financial reporting which
reasonably likely to adversely affect the registrant's ability to
record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal
controls over financial reporting.


Date: November 14, 2003 /s/ Bill E. Coggin
Bill E. Coggin
Executive Vice President
and Chief Financial Officer of
Southwest Royalties, Inc., the
Managing General Partner of
Southwest Royalties Institutional Income
Fund VIII-B, L.P.




CERTIFICATION PURSUANT TO
Exhibit 32.1
19 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Southwest Royalties
Institutional Income Fund VIII-B, Limited Partnership (the "Company") on
Form 10-Q for the period ending September 30, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I,
H.H. Wommack, III, Chief Executive Officer of the Managing General Partner
of the Company, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant
to 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operation of the
Company.


Date: November 14, 2003




/s/ H.H. Wommack, III
H. H. Wommack, III
Chairman, President, Director and Chief Executive Officer
of Southwest Royalties, Inc., the
Managing General Partner of
Southwest Royalties Institutional Income Fund VIII-B, L.P.


CERTIFICATION PURSUANT TO Exhibit 32.2
19 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Southwest Royalties
Institutional Income Fund VIII-B, Limited Partnership (the "Company") on
Form 10-Q for the period ending September 30, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I,
Bill E. Coggin, Chief Financial Officer of the Managing General Partner of
the Company, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to
906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operation of the
Company.


Date: November 14, 2003




/s/ Bill E. Coggin
Bill E. Coggin
Executive Vice President
and Chief Financial Officer of
Southwest Royalties, Inc., the
Managing General Partner of
Southwest Royalties Institutional Income Fund VIII-B, L.P.