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G 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 March 31, 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 & 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)

(915) 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___

The total number of pages contained in this report is 19.


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 Form
10-K Report for 2002 filed with the Securities and Exchange Commission.
The December 31, 2002 balance sheet included herein has been taken from the
Registrant's 2002 Form 10-K Report. Operating results for the three month
period ended March 31, 2003 are not necessarily indicative of the results
that may be expected for the full year.


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

Balance Sheets


March December
31, 31,
2003 2002
---- ----
(unaudit
ed)
Assets
- ---------
Current assets:
Cash and cash equivalents $ 23,653 17,179
Receivable from Managing 31,663 24,291
General Partner
-------- --------
----- -----
Total current assets 55,316 41,470
-------- --------
----- -----
Oil and gas properties -
using the full-
cost method of accounting 1,122,66 1,053,59
1 6
Less accumulated
depreciation,
depletion and 866,856 837,555
amortization
-------- --------
----- -----
Net oil and gas 255,805 216,041
properties
-------- --------
----- -----
$ 311,121 257,511
======= =======

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

Current liability:
Distribution payable $ - 46
-------- --------
----- -----
Other long term liabilities 137,222 -
-------- --------
----- -----

Partners' equity:
General partners (9,465) (4,038)
Limited partners 183,364 261,503
-------- --------
----- -----
Total partners' equity 173,899 257,465
-------- --------
----- -----
$ 311,121 257,511
======= =======


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


Three Months Ended
March 31,
2003 2002
----- -----
Revenues
- ------------

Oil and gas $ 62,391 33,034
Interest 34 24
-------- --------
- -
62,425 33,058
-------- --------
- -
Expenses
- ------------

Production 26,712 14,238
General and administrative 4,320 4,196
Depreciation, depletion and 5,000 4,000
amortization
Accretion 2,691 -
-------- --------
- -
38,723 22,434
-------- --------
- -
Net income before cumulative 23,702 10,624
effect

Cumulative effect of change (89,767) -
in accounting principle
-------- --------
- -
Net income (loss) $ (66,065) 10,624
===== =====
Net income (loss) allocated
to:

Managing General Partner $ (3,308) 1,316
===== =====
General partner $ (368) 146
===== =====
Limited partners $ (62,389) 9,162
===== =====
Per limited partner unit $ (22.12)
3.25
===== =====


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

Statements of Cash Flows
(unaudited)


Three Months Ended
March 31,
2003 2002
----- -----
Cash flows from operating
activities:

Cash received from oil and gas $ 49,667 35,379
sales
Cash paid to suppliers (25,681) (35,439)
Interest received 34 24
-------- --------
- -
Net cash provided by (used in) 24,020 (36)
operating activities
-------- --------
- -
Cash flows provided by investing
activities:

Sale of oil and gas properties - 1,047
-------- --------
- -
Cash flows used in financing
activities:

Distributions to partners (17,546) (6,023)
-------- --------
- -
Net increase (decrease) in cash 6,474 (5,012)
and cash equivalents

Beginning of period 17,179 13,139
-------- --------
- -
End of period $ 23,653 8,127
===== =====
Reconciliation of net income
(loss) to net cash
provided by (used in) operating
activities:

Net income (loss) $ (66,065) 10,624

Adjustments to reconcile net
income (loss) to net
cash provided by (used in)
operating activities:

Depreciation, depletion and 5,000 4,000
amortization
Accretion 2,691 -
Cumulative effect of change in 89,767 -
accounting principle
(Increase) decrease in (12,724) 2,345
receivables
Increase (decrease) increase in 5,351 (17,005)
payables
-------- --------
- -
Net cash provided by (used in) $ 24,020 (36)
operating activities
===== =====
Noncash investing and financing
activities:

Increase in oil and gas
properties - Adoption $ 44,765 -
of SFAS No.143
====== ======


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 100% -
offering expenses (2)
Acquisition costs 100% -
Operating costs 90% 10%
Administrative costs 90% 10%
(3)
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.



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

Notes to Financial Statements


2. Summary of Significant Accounting Policies
The interim financial information as of March 31, 2003, and for the
three months ended March 31, 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 audited financial statements for the year
ended December 31, 2002.

3. 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 $44,765, a long term liability of
approximately $134,531 and a charge of approximately $89,767 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 March 31,
2003, the asset retirement obligation was $137,222, and the increase
in the balance from January 1, 2003 of $2,691 is due to accretion
expense. The pro forma amount of the asset retirement obligation was
measured using information, assumptions and interest rates as of the
adoption date of January 1, 2003. Assuming the Partnership had
applied the provisions of SFAS No. 143 for the three months ended
March 31, 2002 pro forma net income and related income per limited
partner unit amounts would have been $8,149 and $2.89, respectively.



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. The economic life of the Partnership thus depends
on the period over which the Partnership's oil and gas reserves are
economically recoverable.

Increases or decreases in Partnership revenues and, therefore,
distributions to partners will depend primarily on changes in the prices
received for production, changes in volumes of production sold, lease
operating expenses, enhanced recovery projects, offset drilling activities
pursuant to 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.

Prior to October 1, 2002, the Partnership calculated depletion of oil and
gas properties under the units of revenue method. The Partnership changed
methods of estimating depletion effective October 1, 2002 to the units of
production method. The units of production method is more predominantly
used throughout the oil and gas industry and will allow the Partnership to
more closely align itself with its peers.

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. In applying the units of revenue method for the three
months ended March 31, 2002, we have not excluded royalty and net profit
interest payments from gross revenues as all of our royalty and net profit
interests have been purchased and capitalized to the depletion basis of our
proved oil and gas properties. As of March 31, 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 on an annual basis prepared by outside consultants.
Quarterly reserve estimates are prepared by the Managing General Partner's
internal staff of engineers.

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 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
is not 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.

Prior to October 1, 2002, the Partnership calculated depletion of oil and
gas properties under the units of revenue method. The Partnership changed
methods of estimating depletion effective October 1, 2002 to the units of
production method. The units of production method is more predominantly
used throughout the oil and gas industry and will allow the Partnership to
more closely align itself with its peers.



Results of Operations

A. General Comparison of the Quarters Ended March 31, 2003 and 2002

The following table provides certain information regarding performance
factors for the quarters ended March 31, 2003 and 2002.

Three Months
Ended Percenta
ge
March 31, Increase
2003 2002 (Decreas
e)
---- ---- --------
--
Average price per $ 32.11 66%
barrel of oil 19.36
Average price per mcf $ 5.32 186%
of gas 1.86
Oil production in 900 900 -
barrels
Gas production in mcf 6,300 8,400 (25%)
Gross oil and gas $ 62,391 33,034 89%
revenue
Net oil and gas revenue $ 35,679 18,796 90%
Partnership $ 17,500 6,000 192%
distributions
Limited partner $ 15,750 5,400 192%
distributions
Per unit distribution
to limited
partners $ 5.58 192%
1.91
Number of limited 2,821 2,821
partner units

Revenues

The Partnership's oil and gas revenues increased to $62,391 from $33,034
for the quarters ended March 31, 2003 and 2002, respectively, an increase
of 89%. The principal factors affecting the comparison of the quarters
ended March 31, 2003 and 2002 are as follows:

1. The average price for a barrel of oil received by the Partnership
increased during the quarter ended March 31, 2003 as compared to the
quarter ended March 31, 2002 by 66%, or $12.75 per barrel, resulting in
an increase of approximately $11,500 in revenues. Oil sales
represented 46% of total oil and gas sales during the quarter ended
March 31, 2003 as compared to 53% during the quarter ended March 31,
2002.

The average price for an mcf of gas received by the Partnership
increased during the same period by 186%, or $3.46 per mcf, resulting
in an increase of approximately $21,800 in revenues.

The total increase in revenues due to the change in prices received
from oil and gas production is approximately $33,300. 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 remained unchanged during the quarter ended March 31,
2003 as compared to the quarter ended March 31, 2002.

Gas production decreased approximately 2,100 mcf or 25% during the same
period, resulting in a decrease of approximately $3,900 in income from
net profits interests.

The total decrease in revenues due to the change in production is
approximately $3,900. The decrease in gas production is primarily due
to one lease, which the wells were shut in during 2002, and production
is being slowly brought back on.

Costs and Expenses

Total costs and expenses increased to $38,723 from $22,434 for the quarters
ended March 31, 2003 and 2002, respectively, an increase of 73%. The
increase is a direct result of the accretion expense associated with our
long term liability related to expected abandonment costs of our oil and
natural gas properties, lease operating costs, general and administrative
expense and depletion expense.

1. Lease operating costs and production taxes were 88% higher, or
approximately $12,500 more during the quarter ended March 31, 2003 as
compared to the quarter ended March 31, 2002. The increase in lease
operating expense and production taxes is due primarily to repairs and
maintenance on several leases, and the increase in production taxes in
relation to the increase in gross revenues received in 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 3%
or approximately $100 during the quarter ended March 31, 2003 as
compared to the quarter ended March 31, 2002.

3. Depletion expense increased to $5,000 for the quarter ended March 31,
2003 from $4,000 for the same period in 2002. This represents an
increase of 25%. Prior to October 1, 2002, the Partnership calculated
depletion of oil and gas properties under the units of revenue method.
The Partnership changed methods of estimating depletion effective
October 1, 2002 to the units of production method. The units of
production method is more predominantly used throughout the oil and gas
industry and will allow the Partnership to more closely align itself
with its peers. The effect of this change in estimate if the units of
production method were applied to 2002 would have increased 2002
depletion expense by $2,000 and decreased 2002 net income by $2,000.
The contributing factors to the increase in depletion expense is in
relation to the BOE depletion rate for the quarter ended March 31, 2003
was $2.46 applied to 1,950 BOE as compared to $2.57 applied to 2,300
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 $44,765, a long term liability of
approximately $134,531 and a charge of approximately $89,767 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 March 31, 2003, the asset
retirement obligation was $137,222, and the increase in the balance from
January 1, 2003 of $2,691 is due to accretion expense. The pro forma
amount of the asset retirement obligation was measured using information,
assumptions and interest rates as of the adoption date of January 1, 2003.
Assuming the Partnership had applied the provisions of SFAS No. 143 for the
three months ended March 31, 2002 pro forma net income and related income
per limited partner unit amounts would have been $8,149 and $2.89,
respectively.


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 (used in) operating activities were approximately
$24,000 in the quarter ended March 31, 2003 as compared to approximately
$(36) in the quarter ended March 31, 2002. The primary source of cash
flows from operating activities was profitable operations.

There were not cash flows provided by investing activities in the quarter
ended March 31, 2003. Cash flows provided by investing activities were
approximately $1,000 in the quarter ended March 31, 2002.

Cash flows used in financing activities were $17,500 in the quarter ended
March 31, 2003 as compared to $6,000 in the quarter ended March 31, 2002.
The only use in financing activities was the distributions to partners.

Total distributions during the quarter ended March 31, 2003 were $17,500 of
which $15,750 was distributed to the limited partners and $1,750 to the
general partners. The per unit distribution to limited partners during the
quarter ended March 31, 2003 was $5.58. Total distributions during the
quarter ended March 31, 2002 were $6,000 of which $5,400 was distributed to
the limited partners and $600 to the general partners. The per unit
distribution to limited partners during the quarter ended March 31, 2002
was $1.91.

The sources for the 2003 distributions of $17,500 were oil and gas
operations of approximately $24,000, resulting in excess cash for
contingencies or subsequent distributions to partners. The sources for the
2002 distributions of $6,000 were net of oil and gas operations of
approximately $(36) and the change of oil and gas properties of
approximately $1,000, with the balance from available cash on hand at the
beginning of the period.

Since inception of the Partnership, cumulative monthly cash distributions
of $1,285,417 have been made to the partners. As of March 31, 2003,
$1,170,045 or $414.76 per limited partner unit has been distributed to the
limited partners, representing a 83% return of the capital contributed.

As of March 31, 2003, the Partnership had approximately $55,300 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 Managing General Partner anticipates that at
some point in the near future, the partnership will need to be liquidated.
Maintenance of properties and administrative expenses are increasing
relative to production. As the properties continue to deplete, maintenance
of properties and administrative costs as a percentage of production will
continue to increase.

As the partnerships properties have matured, the net cash flows from
operations for the partnership have generally declined, except in periods
of substantially increased commodity pricing. Since the partnership cannot
develop their properties, the producing reserves continue to deplete
causing cash flow to steadily decline.


Liquidity - Managing General Partner

The Managing General Partner has a highly leveraged capital structure with
approximately $124.0 million of principal due between December 31, 2002 and
December 31, 2004. The Managing General Partner is constantly monitoring
its cash position and its ability to meet its financial obligations as they
become due, and in this effort, is continually exploring various strategies
for addressing its current and future liquidity needs. The Managing
General Partner regularly pursues and evaluates recapitalization strategies
and acquisition opportunities (including opportunities to engage in
mergers, consolidations or other business combinations) and at any given
time may be in various stages of evaluating such opportunities.

Based on current production, commodity prices and cash flow from
operations, the Managing General Partner has adequate cash flow to fund
debt service, developmental projects and day to day operations, but it is
not sufficient to build a cash balance which would allow the Managing
General Partner to meet its debt principal maturities scheduled for 2004.
Therefore the Managing General Partner must renegotiate the terms of its
various obligations or seek new lenders or equity investors in order to
meet its financial obligations, specifically those maturing in 2004. The
Managing General Partner may be required to dispose of certain assets in
order to meet its obligations.

There can be no assurance that the Managing General Partner's debt
restructuring efforts will be successful or that the debt holders will
agree to a course of action consistent with the Managing General Partner's
requirements in restructurings the obligations. Furthermore, there can be
no assurance that the sales of assets can be successfully accomplished on
terms acceptable to the Managing General Partner.

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 2004, 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.

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 chief executive
officer and chief financial officer of the Partnership's managing general
partner have evaluated the effectiveness of the design and operation of the
Partnership's disclosure controls and procedures (as defined in Exchange
Act Rule 13a-14(c)) as of a date within 90 days of the filing date of this
quarterly report. Based on that evaluation, the chief executive officer and
chief financial officer have concluded that the Partnership's disclosure
controls and procedures are effective to ensure that material information
relating to the Partnership and the Partnership's consolidated subsidiaries
is made known to such officers by others within these entities,
particularly during the period this quarterly report was prepared, in order
to allow timely decisions regarding required disclosure.

(b) Changes in Internal Controls. There have not been any significant
changes in the Partnership's internal controls or in other factors that
could significantly affect these controls subsequent to the date of their
evaluation.


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:

99.1 Certification pursuant to 18 U.S.C. Section 1350
99.2 Certification pursuant to 18 U.S.C. Section 1350

(b) Reports on Form 8-K:

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 & 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, Vice President
and Chief Financial Officer



Date: May 15, 2003


CERTIFICATIONS


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 quarterly 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 quarterly report;

3. Based on my knowledge, the financial statements,
and other financial
information included in this quarterly 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
quarterly report;

4. The registrant's other certifying officers and I are
responsible for
establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

a) designed such disclosure controls and procedures 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 quarterly report is being
prepared;

b) evaluated the effectiveness of the registrant's disclosure
controls
and procedures as of a date within 90 days prior to the
filing date of this
quarterly report (the "Evaluation Date"); and

c) presented in this quarterly report our conclusions about the
effectiveness of the disclosure controls and procedures based on our
evaluation as of the Evaluation Date;

5. The registrant's other certifying officers and I have
disclosed, based
on our most recent evaluation, 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 in the design or operation
of internal
controls which could adversely affect the registrant's
ability to record,
process, summarize and report financial data and have
identified for the
registrant's auditors any material weaknesses in internal
controls; 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; and

6. The registrant's other certifying officers and I have
indicated in
this quarterly report whether or not there were significant changes in
internal controls or in other factors that could significantly affect
internal controls subsequent to the date of our most recent evaluation,
including any corrective actions with regard to significant deficiencies
and material weaknesses.

Date: May 15, 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.


CERTIFICATIONS

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 quarterly 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 quarterly report;

3. Based on my knowledge, the financial statements,
and other financial
information included in this quarterly 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
quarterly report;

4. The registrant's other certifying officers and I are
responsible for
establishing and maintaining disclosure controls and procedures (as defined
in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have:

a) designed such disclosure controls and procedures 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 quarterly report is being
prepared;

b) evaluated the effectiveness of the registrant's disclosure
controls
and procedures as of a date within 90 days prior to the
filing date of this
quarterly report (the "Evaluation Date"); and

c) presented in this quarterly report our conclusions about the
effectiveness of the disclosure controls and procedures based on our
evaluation as of the Evaluation Date;

5. The registrant's other certifying officers and I have
disclosed, based
on our most recent evaluation, 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 in the design or operation
of internal
controls which could adversely affect the registrant's
ability to record,
process, summarize and report financial data and have
identified for the
registrant's auditors any material weaknesses in internal
controls; 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; and

6. The registrant's other certifying officers and I have
indicated in
this quarterly report whether or not there were significant changes in
internal controls or in other factors that could significantly affect
internal controls subsequent to the date of our most recent evaluation,
including any corrective actions with regard to significant deficiencies
and material weaknesses.

Date: May 15, 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
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 March 31, 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: May 15, 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
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 March 31 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:

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

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


Date: May 15, 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.