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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 33-47667-01

SOUTHWEST OIL & GAS 1992-93 INCOME PROGRAM
Southwest Oil and Gas Income Fund XI-A, L.P.
(Exact name of registrant as specified
in its limited partnership agreement)

Delaware 75-2427267
(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.

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 12, 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 Oil and Gas Income Fund XI-A, L.P.
Balance Sheets

Septembe December
r 30, 31,
2003 2002
---- ----
(unaudit
ed)
Assets
- ---------
Current assets:
Cash and cash equivalents $ 47,859 17,179
Receivable from Managing - 24,291
General Partner
-------- --------
----- -----
Total current assets 47,859 41,470
-------- --------
----- -----
Oil and gas properties -
using the full-
cost method of accounting 1,032,99 1,053,59
1 6
Less accumulated
depreciation,
depletion and (828,236 838,555
amortization )
-------- --------
----- -----
Net oil and gas 204,755 215,041
properties
-------- --------
----- -----
$ 252,614 256,511
======= =======

Liabilities and Partners'
Equity
- ----------------------------
- ------------

Current liability:
Distribution payable $ - 46
Payable to Managing General 641 -
Partner
-------- --------
----- -----
Total current 641 46
liabilities
-------- --------
----- -----

Other long term liabilities 55,133 -
-------- --------
----- -----

Partners' equity:
General partners (6,545) (4,038)
Limited partners 203,385 260,503
-------- --------
----- -----
Total partners' equity 196,840 256,465
-------- --------
----- -----
$ 252,614 256,511
======= =======



Southwest Oil and Gas Income Fund XI-A, L.P.
Statements of Operations
(unaudited)

Three Months Ended Nine Months
Ended
September 30, September 30,
2003 2002 2003 2002
(Restate (Resta
d) ted)
---- ---- ---- ----
Revenues
- --------
Oil and Gas $ 28,911 34,463 126,438 104,28
2
Interest 85 40 157 91
Miscellaneous settlement - - 6 1,236
-------- -------- -------- ------
-- -- -- ----
28,996 34,503 126,601 105,60
9
-------- -------- -------- ------
-- -- -- ----
Expenses
- --------
Production 21,818 22,595 67,242 55,714
General and administrative 6,182 5,110 21,848 13,600
Depreciation, depletion and 4,000 5,000 14,000 17,000
amortization
Accretion of asset retirement 1,040 - 3,587 -
obligation
-------- -------- -------- ------
-- -- -- ----
33,040 32,705 106,677 86,314
-------- -------- -------- ------
-- -- -- ----
Net income (loss) from (4,044) 1,798 19,924 19,295
continuing operations

Results from discontinued
operations -
sale of oil and gas lease - 5,479 4,484 19,231 9,227
See Note 5
-------- -------- -------- ------
-- -- -- ----
Net income before cumulative 1,435 6,282 39,155 28,522
effect

Cumulative effect of change
in accounting
principle - SFAS No. 13 - - - (5,725) -
See Note3
Cumulative effect of change
in accounting principle
- change in depletion method - - - 1,000
- - See Note 4
-------- -------- -------- ------
-- -- -- ----
Net income $ 1,435 6,282 33,430 29,522
====== ====== ====== ======
Southwest Oil and Gas Income Fund XI-A, 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 $ 489 1,015 4,269 4,097
====== ====== ====== ======
General Partner $ 54 113 474 455
====== ====== ====== ======
Limited Partners $ 892 5,154 28,687 24,970
====== ====== ====== ======
Per limited partner unit
before discontinued
operations and cumulative $ (1.43) .40
effect 5.86 5.55
Discontinued operations per 1.75
limited partner unit 1.43 6.14 2.94
Cumulative effects per - - (1.83) .35
limited partner unit
-------- -------- -------- --------
-- -- -- --
Per limited partner unit $ .32
1.83 10.17 8.84
====== ====== ====== ======
Pro forma amounts assuming
change is applied
retroactively (See Note 3):
Net income before cumulative $ - 5,109 - 25,006
effect
====== ====== ====== ======
Per limited partner unit $ - 1.45 - 7.37
(2,821.0)
====== ====== ====== ======
Net income $ - 5,109 - 26,006
====== ====== ====== ======
Per limited partner unit $ - 1.45 - 7.72
(2,821.0)
====== ====== ====== ======


Southwest Oil and Gas Income Fund XI-A, L.P.
Statements of Cash Flows
(unaudited)

Nine Months Ended
September 30,
2003 2002
(Restate
d)
---- ----
Cash flows from operating activities
Cash received from oil and gas $ 137,458 98,980
sales
Cash paid to suppliers (75,179 (82,079)
)
Cash received from discontinued 19,231 9,227
operations
Interest received 157 91
Miscellaneous settlement 6 1,236
------- --------
---- ---
Net cash provided by operating 81,673 27,455
activities
------- --------
---- ---
Cash flows from investing activities
Additions to oil and gas properties (325) -
Sale of oil and gas properties 42,433 706
------- --------
---- ---
Net cash provided by investing 42,108 706
activities
------- --------
---- ---
Cash flows used in financing
activities
Distributions to partners (93,101 (24,046)
)
------- --------
---- ---
Net increase in cash and cash 30,680 4,115
equivalents

Beginning of period 17,179 13,139
------- --------
---- ---
End of period $ 47,859 17,254
====== ======
Reconciliation of net income to net
cash
provided by operating activities

Net income $ 33,430 29,522

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

Depreciation, depletion and 14,000 17,000
amortization
Accretion of asset retirement 3,587 -
obligation
Cumulative effect of change in
accounting
principle - SFAS No. 143 5,725 -
Cumulative effect of change in
accounting
principle - change in depletion - (1,000)
method
Decrease (increase) in receivables 11,020 (5,302)
Increase (decrease) in payables 13,911 (12,765)
------- --------
---- ---
Net cash provided by operating $ 81,673 27,455
activities
====== =======
Noncash investing and financing
activities:
Increase in oil and gas properties
- Adoption
of SFAS No. 143 $ 57,971 -
====== =======
Decrease in oil and gas properties
SFAS No. 143
sale of oil and gas properties $ 12,150 -
====== =======

Southwest Oil & Gas Income Fund XI-A, L.P.
(a Delaware limited partnership)

Notes to Financial Statements

1. Organization
Southwest Oil & Gas Income Fund XI-A, L.P. was organized under the
laws of the state of Delaware on May 5, 1992, 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 will sell 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. Partnership profits and losses, as
well as all items of income, gain, loss, deduction, or credit, will be
credited or charged as follows:

Limited General
Partners Partners
(1)
-------- --------
Organization and offering 100% -
expenses (2)
Acquisition costs 100% -
Operating costs 90% 10%
Administrative costs (3) 90% 10%
Direct costs 90% 10%
All other costs 90% 10%
Interest income earned on
capital
contributions 100% -
Oil and gas revenues 90% 10%
Other revenues 90% 10%
Amortization 100% -
Depletion allowances 100% -

(1) H.H. Wommack, III, President of the Managing General
Partner, is an additional general partner in the Partnership and
has a one percent interest in the Partnership. Mr. Wommack is
the majority stockholder of the Managing General Partner whose
continued involvement in Partnership management is important to
its operations. Mr. Wommack, as a general partner, shares also
in Partnership liabilities.
(2) Organization and Offering Expenses (including all cost of
selling and organizing the offering) include a payment by the
Partnership of an amount equal to three percent (3%) of Capital
Contributions for reimbursement of such expenses. All
Organization Costs (which excludes sales commissions and fees) in
excess of three percent (3%) of Capital Contributions with
respect to the Partnership will be allocated to and paid by the
Managing General Partner.
(3) Administrative Costs will be paid from the Partnership's
revenues; however; Administrative Costs in the Partnership year
in excess of two percent (2%) of Capital Contributions shall be
allocated to and paid by the Managing General Partner.

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 12, 2003.


Southwest Oil & Gas Income Fund XI-A, 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 $57,971, a long term liability of
approximately $63,696 and a loss of approximately $5,725 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 $55,133, and the
decrease in the balance from January 1, 2003 is due to the sale of
three oil and gas properties, which decreased the asset retirement
obligation by $ 12,150, partially offset by accretion expense of
$3,587. 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 $1,000 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 $2,000 ($.35 and $.70
per limited partner unit), respectively and decrease net income by
$1,000 and $1,000 ($.35 and $.35 per limited partner unit),
respectively.

5. Discontinued Operations - Sale of oil and gas leases
During the nine months ended September 30, 2003, the Partnership sold
its interest in certain oil and gas wells for $42,433 and retired
$12,150 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

Revenues $7,832 7,863 26,794 18,340
Net income 5,479 4,484 19,231 9,227


Southwest Oil & Gas Income Fund XI-A, 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
$1,000 from $216,041 to $215,041 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
Previousl Previousl
y y
Restated Reported Restated Reported
Depreciation,
depletion and
amortization $5,000 4,000 17,000 15,000
Income before 6,282 7,282 28,522 30,522
cumulative effect
Cumulative effect of
change in
accounting principle - - 1,000 -
Net income 6,282 7,282 29,522 30,522
Net income allocated
to:
Managing General 1,015 1,015 4,097 3,986
Partner
General partner 113 113 455 443
Limited partners 5,154 6,154 24,970 26,093
Income per limited
partner
unit before 1.83 2.18
cumulative effect 8.49 9.25
Cumulative effect
per limited
partner unit - - - -
Net income per
limited
partner unit 1.83 2.18
8.84 9.25


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

General
Southwest Oil & Gas Income Fund XI-A, L.P. was organized as a Delaware
limited partnership on May 5, 1992. The offering of such limited
partnership interests began August 20, 1992 as part of a shelf offering
registered under the name Southwest Oil & Gas 1992-93 Income Program.
Minimum capital requirements for the Partnership were met on March 17,
1993, with the offering of limited partnership interests concluding April
30, 1993. At the conclusion of the offering of limited partnership
interests, 122 limited partners had purchased 2,821 units for $1,410,500.

The Partnership was formed to acquire 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 no workovers
during 2003 to enhance production. Additional workovers may be performed
in the year 2004. The Partnership may have an increase in production
volumes for the year 2004, otherwise, the Partnership will most likely
experience the historical production decline, which has approximated 9% 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.


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 $ 28.65 12%
oil 25.68
Average price per mcf of gas $ 3.58 50%
2.38
Oil production in barrels 770 1,000 (23%)
Gas production in mcf 4,100 7,000 (41%)
Gross oil and gas revenue $ 28,911 34,463 (16%)
Net oil and gas revenue $ 7,093 11,868 (40%)
Partnership distributions $ 50,555 9,000 462%
Limited partner $ 47,555 8,100 487%
distributions
Per unit distribution to
limited
partners $ 16.86 487%
2.87
Number of limited partner 2,821 2,821
units

Revenues

The Partnership's oil and gas revenues decreased to $28,911 from $34,463
for the quarters ended September 30, 2003 and 2002, respectively, a
decrease of 16%. 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 12%, or $2.97 per barrel,
resulting in an increase of approximately $2,300 in revenues. Oil
sales represented 60% of total oil and gas sales during the quarter
ended September 30, 2003 as compared to 61% 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 50%, or $1.20 per mcf, resulting in
an increase of approximately $4,900 in revenues.

The total increase in revenues due to the change in prices received
from oil and gas production is approximately $7,200. 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 230 barrels or 23% during the
quarter ended September 30, 2003 as compared to the quarter ended
September 30, 2002, resulting in a decrease of approximately $5,900 in
income from net profits interests.

Gas production decreased approximately 2,900 mcf or 41% during the same
period, resulting in a decrease of approximately $6,900 in revenues.

The total decrease in revenues due to the change in production is
approximately $12,800. The decrease in production is due primarily to
two oil and gas properties sold in July 2003.

Costs and Expenses

Total costs and expenses increased to $33,040 from $32,705 for the quarters
ended September 30, 2003 and 2002, respectively, an increase of 1%. The
increase is the result of higher general and administrative expense and
accretion expense, partially offset by a decrease in depletion expense and
lease operating costs.

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

2. General and administrative costs consist of independent accounting and
engineering fees, computer services, postage, and Managing General
Partner personnel costs. General and administrative costs increased
21% or approximately $1,100 during the quarter ended September 30, 2003
as compared to the quarter ended September 30, 2002. The increase in
general and administrative expense is due to an increase in independent
accounting review and audit fees.

3. Depletion expense decreased to $4,000 for the quarter ended September
30, 2003 from $5,000 for the same period in 2002. This represents a
decrease of 20%. 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 $2.75 applied to
1,453 BOE as compared to $2.31 applied to 2,167 BOE for the same
period.




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 $ 28.97 25%
oil 23.18
Average price per mcf of gas $ 4.41 87%
2.36
Oil production in barrels 2,670 2,900 (8%)
Gas production in mcf 17,200 23,500 (27%)
Gross oil and gas revenue $ 126,438 104,282 21%
Net oil and gas revenue $ 59,196 48,568 22%
Partnership distributions $ 93,055 24,000 288%
Limited partner $ 85,805 21,600 297%
distributions
Per unit distribution to
limited
partners $ 30.42 297%
7.66
Number of limited partner 2,821 2,821
units

Revenues

The Partnership's oil and gas revenues increased to $126,438 from $104,282
for the nine months ended September 30, 2003 and 2002, respectively, an
increase of 21%. 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 25%, or $5.79 per
barrel, resulting in an increase of approximately $15,500 in revenues.
Oil sales represented 50% of total oil and gas sales during the quarter
ended September 30, 2003 as compared to 55% 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 87%, or $2.05 per mcf, resulting in
an increase of approximately $35,300 in revenues.

The total increase in revenues due to the change in prices received
from oil and gas production is approximately $50,800. 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 230 barrels or 8% during the
nine months ended September 30, 2003 as compared to the nine months
ended September 30, 2002, resulting in a decrease of approximately
$5,300 in revenues.

Gas production decreased approximately 6,300 mcf or 27% during the same
period, resulting in a decrease of approximately $14,900 in revenues.

The total decrease in revenues due to the change in production is
approximately $20,200. The decrease in gas production is due primarily
to the sale of a gas lease in July 2003, in addition another lease
experienced downtime during the end of 2002 and is slowly resuming to
normal.

Costs and Expenses

Total costs and expenses increased to $106,677 from $86,314 for the nine
months ended September 30, 2003 and 2002, respectively, an increase of 24%.
The increase is the result of higher general and administrative expense,
accretion expense and lease operating costs, partially offset by a decrease
in depletion expense.

1. Lease operating costs and production taxes were 21% higher, or
approximately $11,500 more during the nine months ended September 30,
2003 as compared to the nine months ended September 30, 2002. The
increase in lease operating expense and production taxes is due to
several small leases having repairs and maintenance performed during
2003, and the increase in production taxes due to an increase in gross
revenues received during the nine months ended September 30, 2003.

2. General and administrative costs consist of independent accounting and
engineering fees, computer services, postage, and Managing General
Partner personnel costs. General and administrative costs increased
61% or approximately $8,200 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.

3. Depletion expense decreased to $14,000 for the nine months ended
September 30, 2003 from $17,000 for the same period in 2002. This
represents a decrease of 18%. 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 $2,000 and
decrease net income by $1,000 for the nine months ended September 30,
2002(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 $2.53 applied to 5,537 BOE as compared to $2.49 applied to
6,817 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 $57,971, a long term liability of
approximately $63,696 and a loss of approximately $5,725 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 $55,133, and the decrease in the balance from January 1,
2003 is due to the sale of three oil and gas properties, which decreased
the asset retirement obligation by $ 12,150, partially offset by accretion
expense of $3,587. 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 $81,700 in
the nine months ended September 30, 2003 as compared to approximately
$27,500 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 $42,100 in
the nine months ended September 30, 2003 as compared to approximately $700
in the nine months ended September 30, 2002. The primary source of the
2003 cash flow from investing activities was the sale of oil and gas
properties.

Cash flows used in financing activities were approximately $93,100 in the
nine months ended September 30, 2003 as compared to approximately $24,000
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
$93,055 of which $85,805 was distributed to the limited partners and $7,250
to the general partners. The per unit distribution to limited partners
during the nine months ended September 30, 2003 was $30.42. Total
distributions during the nine months ended September 30, 2002 were $24,000
of which $21,600 was distributed to the limited partners and $2,400 to the
general partners. The per unit distribution to limited partners during the
nine months ended September 30, 2002 was $7.66.

The sources for the 2003 distributions of $93,055 was oil and gas
operations of approximately $81,700, a change in oil and gas properties of
approximately $42,100, resulting in excess cash for contingencies or
subsequent distributions. The sources for the 2002 distributions of
$24,000 were oil and gas operations of approximately $27,500, partially
offset by the change in oil and gas properties of approximately $700,
resulting in excess cash for contingencies or subsequent distributions.

Since inception of the Partnership, cumulative cash distributions of
$1,360,972 have been made to the partners. As of September 30, 2003,
$1,240,100 or $439.60 per limited partner unit has been distributed to the
limited partners, representing an 88% return of the capital contributed.

As of September 30, 2003, the Partnership had approximately $47,200 in
working capital. The Managing General Partner knows of no unusual
contractual commitments. 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.
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.



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 Oil and Gas Income Fund XI-A,
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 Oil &
Gas Income Fund XI-A, 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 Oil & Gas Income Fund XI-A,
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 Oil &
Gas Income Fund XI-A, 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 Oil & Gas Income Fund XI-A,
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 Oil & Gas Income
Fund XI-A, 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 Oil & Gas Income Fund XI-A, 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 Oil & Gas Income
Fund XI-A, 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 Oil & Gas Income Fund XI-A, L.P.