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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 June 30, 1999

                                    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 17.

<PAGE>
                     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, 1998 which are found in the Registrant's  Form
10-K  Report  for  1998 filed with the Securities and Exchange  Commission.
The December 31, 1998 balance sheet included herein has been taken from the
Registrant's  1998 Form 10-K Report.  Operating results for the  three  and
six month periods ended June 30, 1999 are not necessarily indicative of the
results that may be expected for the full year.

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

                              Balance Sheets


                                                 June 30,      December 31,
                                                   1999            1998
                                                ---------      ------------
                                               (unaudited)

  Assets

Current assets:
 Cash and cash equivalents                   $     11,218          34,874
 Receivable from Managing General Partner          15,106          27,378
                                                ---------       ---------
    Total current assets                           26,324          62,252
                                                ---------       ---------
Oil and gas properties - using the
 full cost method of accounting                 1,017,632       1,017,398
  Less accumulated depreciation,
   depletion and amortization                     737,555         720,555
                                                ---------       ---------
    Net oil and gas properties                    280,077         296,843
                                                ---------       ---------
                                             $    306,401         359,095
                                                =========       =========
  Liabilities and Partners' Equity

Partners' equity:
 General partners                            $    (9,021)         (7,892)
 Limited partners                                 315,422         366,987
                                                ---------       ---------
    Total partners' equity                        306,401         359,095
                                                ---------       ---------
                                             $    306,401         359,095
                                                =========       =========

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

                         Statements of Operations
                               (unaudited)


                                 Three Months Ended      Six Months Ended
                                       June 30,              June 30,
                                    1999      1998        1999      1998

  Revenues

Oil and gas                   $    50,256     55,974     84,179    127,515
Interest                              251        213        534        382
                                  -------    -------    -------    -------
                                   50,507     56,187     84,713    127,897
                                  -------    -------    -------    -------

  Expenses

Production                         26,870     40,201     53,687     87,064
General and administrative          5,338     10,566     12,313     24,598
Depreciation, depletion and
 amortization                       8,000     26,459     17,000     49,044
Provision for impairment of oil
 and gas properties                     -     59,663          -     59,663
                                  -------    -------    -------    -------
                                   40,208    136,889     83,000    220,369
                                  -------    -------    -------    -------
Net income (loss)             $    10,299   (80,702)      1,713   (92,472)
                                  =======    =======    =======    =======
Net income (loss) allocated to:

 Managing General Partner     $     1,647        488      1,684      1,461
                                  =======    =======    =======    =======
 General Partner              $       183         54        187        163
                                  =======    =======    =======    =======
 Limited partners             $     8,469   (81,244)      (158)   (94,096)
                                  =======    =======    =======    =======
  Per limited partner unit    $     3.00     (28.80)      (.06)    (33.36)
                                  =======    =======    =======    =======

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

                         Statements of Cash Flows
                               (unaudited)


                                                        Six Months Ended
                                                             June 30,
                                                          1999      1998

Cash flows from operating activities:

 Cash received from oil and gas sales               $    77,882    151,464
 Cash paid to suppliers                                (47,431)  (103,554)
 Interest received                                          534        382
                                                       --------   --------
  Net cash provided by operating activities              30,985     48,292
                                                       --------   --------
Cash flows from investing activities:

 Additions of oil and gas properties                      (234)    (6,456)
 Sale of oil and gas properties                               -      1,650
                                                       --------   --------
  Net cash used in investing activities                   (234)    (4,806)
                                                       --------   --------
Cash flows used in financing activities:

 Distributions to partners                             (54,407)   (46,770)
                                                       --------   --------
Net decrease in cash and cash equivalents              (23,656)    (3,284)

 Beginning of period                                     34,874      4,368
                                                       --------   --------
 End of period                                      $    11,218      1,084
                                                       ========   ========

                                                               (continued)

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

                   Statements of Cash Flows, continued
                               (unaudited)


                                                        Six Months Ended
                                                             June 30,
                                                          1999      1998

Reconciliation of net income (loss) to net
 cash provided by operating activities:

Net income (loss)                                   $     1,713   (92,472)

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

  Depreciation, depletion and amortization               17,000     49,044
  Provision for impairment of oil and gas
   properties                                                 -     59,663
  (Increase) decrease in receivables                    (6,297)     23,949
  Increase in payables                                   18,569      8,108
                                                        -------    -------
Net cash provided by operating activities           $    30,985     48,292
                                                        =======    =======

<PAGE>
                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 expenses (2)     100%             -
     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 June 30, 1999, and  for  the
     three  and  six  months  ended June 30, 1999, 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, 1998.

<PAGE>
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 does not  anticipate  performing
workovers during 1999.

Oil and Gas Properties

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

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

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.   The  Partnership's  capitalized  cost  did  not  exceed
estimated  present value of reserves as of June 30, 1999.   The  oil  price
environment experienced during 1998 had an adverse affect on the  Company's
revenues  and  operating cash flow.  Further declines of oil prices  during
1999  could  result in additional decreases in the carrying  value  of  the
Company's oil and gas properties.




<PAGE>
Results of Operations

A.  General Comparison of the Quarters Ended June 30, 1999 and 1998

The  following  table  provides certain information  regarding  performance
factors for the quarters ended June 30, 1999 and 1998:

                                               Three Months
                                                  Ended          Percentage
                                                 June 30,         Increase
                                              1999       1998    (Decrease)
                                              ----       ----    ----------

Average price per barrel of oil          $    14.77     12.37      19%
Average price per mcf of gas             $     2.01      1.68      20%
Oil production in barrels                     1,370     2,200    (38%)
Gas production in mcf                        14,900    17,100    (13%)
Gross oil and gas revenue                $   50,256    55,974    (10%)
Net oil and gas revenue                  $   23,386    15,773      48%
Partnership distributions                $   20,000    16,784      19%
Limited partner distributions            $   18,000    15,184      19%
Per unit distribution to limited
 partners                                $     6.38      5.38      19%
Number of limited partner units               2,821     2,821

Revenues

The  Partnership's oil and gas revenues decreased to $50,256  from  $55,974
for the quarters ended June 30, 1999 and 1998, respectively, a decrease  of
10%.   The principal factors affecting the comparison of the quarters ended
June 30, 1999 and 1998 are as follows:

1.  The  average  price  for a barrel of oil received  by  the  Partnership
    increased  during the quarter ended June 30, 1999 as  compared  to  the
    quarter  ended June 30, 1998 by 19%, or $2.40 per barrel, resulting  in
    an increase of approximately $5,300 in revenues.  Oil sales represented
    40%  of total oil and gas sales during the quarter ended June 30,  1999
    as compared to 49% during the quarter ended June 30, 1998.

    The  average  price  for  an  mcf of gas received  by  the  Partnership
    increased during the same period by 20%, or $.33 per mcf, resulting  in
    an increase of approximately $5,600 in revenues.

    The  total  increase in revenues due to the change in  prices  received
    from oil and gas production is approximately $10,900.  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.

<PAGE>
2.  Oil  production decreased approximately 830 barrels or 38%  during  the
    quarter  ended June 30, 1999 as compared to the quarter ended June  30,
    1998, resulting in a decrease of approximately $12,300 in revenues.

    Gas production decreased approximately 2,200 mcf or 13% during the same
    period, resulting in a decrease of approximately $4,400 in revenues.

    The  total  decrease  in revenues due to the change  in  production  is
    approximately $16,700.  The decline in production was due primarily  to
    property sales in 1998.

Costs and Expenses

Total  costs  and  expenses  decreased to $40,208  from  $136,889  for  the
quarters  ended  June 30, 1999 and 1998, respectively, a decrease  of  71%.
The  decrease  is  the result of lower general and administrative  expense,
depletion expense and lease operating costs.

1.  Lease  operating  costs  and  production  taxes  were  33%  lower,   or
    approximately $13,300 less during the quarter ended June  30,  1999  as
    compared  to  the  quarter ended June 30, 1998.  The decline  in  lease
    operating  costs  is primarily in relation to the drop  in  oil  prices
    experienced  throughout 1998 and into the first  six  months  of  1999,
    which  made it uneconomical to perform workovers necessary to  increase
    production and perform major repairs thus making it necessary to  shut-
    in some wells.

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  decreased
    49%  or approximately $5,200 during the quarter ended June 30, 1999  as
    compared  to the quarter ended June 30, 1998.  The decrease of  general
    and  administrative  costs  were in part due to  additional  accounting
    costs  incurred  in  1998  in relation to the outsourcing  of  K-1  tax
    package preparation; a change in auditors requiring opinions from  both
    the   predecessors  and  successor  auditors  and  a   new   accounting
    pronouncement requiring review by the independent auditors of  the  10-
    Q's.   The Managing General Partner has also made an effort to cut back
    on general and administrative costs whenever and wherever possible.

3.  Depletion  expense decreased to $8,000 for the quarter ended  June  30,
    1999  from  $26,000  for the same period in 1998.   This  represents  a
    decrease  of 69%.  Depletion is calculated using the units  of  revenue
    method  of  amortization based on a percentage of current period  gross
    revenues  to  total future gross oil and gas revenues, as estimated  by
    the  Partnership's  independent  petroleum  consultants.   Contributing
    factors  to  the  decline in depletion expense between the  comparative
    periods were the increase in the price of oil and gas used to determine
    the  Partnership's reserves for April 1, 1999 as compared to  1998  and
    the decrease in gross oil and gas revenues.


<PAGE>
B.   General  Comparison of the Six Month Periods Ended June 30,  1999  and
1998

The  following  table  provides certain information  regarding  performance
factors for the six month periods ended June 30, 1999 and 1998:

                                                Six Months
                                                  Ended          Percentage
                                                 June 30,         Increase
                                              1999       1998    (Decrease)
                                              ----       ----    ----------

Average price per barrel of oil          $    12.05     12.36      (3%)
Average price per mcf of gas             $     1.86      1.94      (4%)
Oil production in barrels                     2,670     4,500     (41%)
Gas production in mcf                        28,000    37,000     (24%)
Gross oil and gas revenue                $   84,179   127,515     (34%)
Net oil and gas revenue                  $   30,492    40,451     (25%)
Partnership distributions                $   54,407    46,784       16%
Limited partner distributions            $   51,407    42,184       22%
Per unit distribution to limited
 partners                                $    18.22     14.95       22%
Number of limited partner units               2,821     2,821

Revenues

The  Partnership's oil and gas revenues decreased to $84,179 from  $127,515
for  the  six months ended June 30, 1999 and 1998, respectively, a decrease
of  34%.  The principal factors affecting the comparison of the six  months
ended June 30, 1999 and 1998 are as follows:

1.  The  average  price  for a barrel of oil received  by  the  Partnership
    decreased during the six months ended June 30, 1999 as compared to  the
    six months ended June 30, 1998 by 3%, or $.31 per barrel, resulting  in
    a  decrease of approximately $1,400 in revenues.  Oil sales represented
    38%  of  total oil and gas sales during the six months ended  June  30,
    1999 as compared to 44% during the six months ended June 30, 1998.

    The  average  price  for  an  mcf of gas received  by  the  Partnership
    decreased during the same period by 4%, or $.08 per mcf, resulting in a
    decrease of approximately $2,900 in revenues.

    The  total  decrease in revenues due to the change in  prices  received
    from  oil and gas production is approximately $4,300.  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.

<PAGE>
2.  Oil  production decreased approximately 1,830 barrels or 41% during the
    six months ended June 30, 1999 as compared to the six months ended June
    30, 1998, resulting in a decrease of approximately $22,100 in revenues.

    Gas production decreased approximately 9,000 mcf or 24% during the same
    period, resulting in a decrease of approximately $16,700 in revenues.

    The  total  decrease  in revenues due to the change  in  production  is
    approximately $38,800.  The decline in production was due primarily  to
    property sales in 1998.

Costs and Expenses

Total  costs  and expenses decreased to $83,000 from $220,369 for  the  six
months ended June 30, 1999 and 1998, respectively, a decrease of 62%.   The
decrease  is  the  result  of  lower general  and  administrative  expense,
depletion expense and lease operating costs.

1.  Lease  operating  costs  and  production  taxes  were  38%  lower,   or
    approximately $33,300 less during the six months ended June 30, 1999 as
    compared  to the six months ended June 30, 1998.  The decline in  lease
    operating  costs  is primarily in relation to the drop  in  oil  prices
    experienced  throughout 1998 and into the first  six  months  of  1999,
    which  made it uneconomical to perform workovers necessary to  increase
    production and perform major repairs thus making it necessary to  shut-
    in some wells.

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  decreased
    50%  or approximately $12,300 during the six months ended June 30, 1999
    as  compared  to the six months ended June 30, 1998.  The  decrease  of
    general  and  administrative  costs were  in  part  due  to  additional
    accounting costs incurred in 1998 in relation to the outsourcing of K-1
    tax  package preparation; a change in auditors requiring opinions  from
    both  the  predecessors and successor auditors  and  a  new  accounting
    pronouncement requiring review by the independent auditors of  the  10-
    Q's.   The Managing General Partner has also made an effort to cut back
    on general and administrative costs whenever and wherever possible.

3.  Depletion  expense decreased to $17,000 for the six months  ended  June
    30,  1999 from $48,000 for the same period in 1998.  This represents  a
    decrease  of 65%.  Depletion is calculated using the units  of  revenue
    method  of  amortization based on a percentage of current period  gross
    revenues  to  total future gross oil and gas revenues, as estimated  by
    the  Partnership's  independent  petroleum  consultants.   Contributing
    factors  to  the  decline in depletion expense between the  comparative
    periods were the increase in the price of oil and gas used to determine
    the  Partnership's reserves for April 1, 1999 as compared to  1998  and
    the decrease in gross oil and gas revenues.


<PAGE>
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 $31,000  in
the six months ended June 30, 1999 as compared to approximately $48,300  in
the  six  months ended June 30, 1998.  The primary source of the 1999  cash
flow from operating activities was profitable operations.

Cash flows used in investing activities were approximately $200 in the  six
months  ended June 30, 1999 as compared to approximately $4,800 in the  six
months  ended June 30, 1998.  The principle use of the 1999 cash flow  from
investing activities was the additions to oil and gas properties.

Cash  flows used in financing activities were approximately $54,400 in  the
six  months ended June 30, 1999 as compared to approximately $46,800 in the
six  months ended June 30, 1998.  The only use in financing activities  was
the distributions to partners.

Total  distributions during the six months ended June 30, 1999 were $54,407
of  which $51,407 was distributed to the limited partners and $3,000 to the
general partners.  The per unit distribution to limited partners during the
six  months ended June 30, 1999 was $18.22.  Total distributions during the
six  months  ended  June  30,  1998  were  $46,784  of  which  $42,184  was
distributed  to  the limited partners and $4,600 to the  general  partners.
The  per unit distribution to limited partners during the six months  ended
June 30, 1998 was $14.95.

The source for the 1999 distributions of $54,407 was oil and gas operations
of  approximately $31,000, and less the change in oil and gas properties of
approximately $200, with the balance from available from cash  on  hand  at
the  beginning  of  the period.  The sources for the 1998 distributions  of
$46,784  were oil and gas operations of approximately $48,300 less the  net
change  in oil and gas properties of approximately $4,800, with the balance
from available cash on hand at the beginning of the period.

Since  inception of the Partnership, cumulative monthly cash  distributions
of  $932,195 have been made to the partners.  As of June 30, 1999, $852,145
or  $302.07  per limited partner unit has been distributed to  the  limited
partners, representing a 60% return of the capital contributed.

As  of  June 30, 1999, the Partnership had approximately $26,300 in working
capital.   The  Managing  General Partner knows of no  unusual  contractual
commitments  and  believes  the  revenues  generated  from  operations  are
adequate to meet the needs of the Partnership.

<PAGE>
Liquidity - Managing General Partner

The  Managing General Partner has a highly leveraged capital structure with
over   $21.0  million  of  interest  payments  due  in  1999  on  its  debt
obligations.   Due  to  severely depressed commodity prices,  the  Managing
General  Partner  is experiencing difficulty in generating sufficient  cash
flow  to  meet  its obligations and sustain its operations.   The  Managing
General  Partner is currently in the process of renegotiating the terms  of
its  various obligations with its creditors and/or attempting to  seek  new
lenders  or  equity investors.  Additionally, the Managing General  Partner
would   consider  disposing  of  certain  assets  in  order  to  meet   its
obligations.

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

Information Systems for the Year 2000

The  Managing  General Partner provides all data processing  needs  of  the
Partnership.  The Managing General Partner is continuing in its  effort  to
identify  and  assess its exposure to the potential Year 2000 software  and
imbedded  chip processing and date sensitivity issue.  Through the Managing
General  Partners  data processing subsidiary, Midland Southwest  Software,
Inc., the Managing General Partner proactively initiated a plan to identify
applicable hardware and software, assess impact and effect, estimate costs,
construct and implement corrective actions, and prepare contingency plans.

Identification & Assessment

The  Managing  General  Partner currently believes it  has  identified  the
internal  and external software and hardware that may have date sensitivity
problems.  Four critical systems and/or functions were identified:  (1) the
proprietary software of the Partnership (OGAS) that is used for oil  &  gas
property management and financial accounting functions, (2) the DEC VAX/VMS
hardware and operating system, (3) various third-party application software
including  lease  economic  analysis, fixed  asset  management,  geological
applications, and payroll/human resource programs, and (4) External Agents.

The  proprietary  software of the Partnership is currently  in  process  of
meeting  compliance requirements with an estimated completion date of  mid-
year  1999.   Since this is an internally generated software  package,  the
Managing General Partner has estimated the cost to be approximately $25,000
by  estimating the necessary man-hours.  These modifications are being made
by internal staff and do not represent additional costs to the Partnership.
The  Managing General Partner has not made contingency plans at  this  time
since  the  conversion is ahead of schedule and being handled  by  Managing
General  Partner controlled internal programmers.  Given the complexity  of
the systems being modified, it is anticipated that some problems may arise,
but  with  an expected early completion date, the Managing General  Partner
feels that adequate time is available to overcome unforeseen delays.

DEC has released a fully compliant version of its operating system that  is
used  by  the  Partnership on the DEC VAX system.  It will be installed  in
August 1999, the Managing General Partner believes that this will solve any
potential problems on the system.

<PAGE>

The  Managing  General Partner has identified various third-party  software
that may have date sensitivity problems and is working with the vendors  to
secure  solutions as well as prepare contingency plans.  After  review  and
evaluation  of  the vendor plans and status, the Managing  General  Partner
believes that the problems will be resolved prior to the year 2000  or  the
alternate  contingency plan will sufficiently and adequately remediate  the
problem so that there is no material disruption to business functions.

The  External  Agents  of  the  Partnership include  suppliers,  customers,
owners,  vendors, banks, product purchasers including pipelines, and  other
oil  and  gas property operators.  The Managing General Partner is  in  the
process of identifying and communicating with each critical External  Agent
about  its  plan  and progress thereof in addressing the Year  2000  issue.
This process is on schedule and the Managing General Partner, at this time,
believes  that  there  should  be no material  interference  or  disruption
associated with any of the critical External Agent's functions necessary to
the   Partnership's  business.   The  Managing  General  Partner  estimates
completion of this audit by mid-year 1999 and believes that alternate plans
can  be  devised to circumvent any material problems arising from  critical
External Agent noncompliance.

Cost

To  date,  the Managing General Partner has incurred only minimal  internal
man-hour costs for identification, planning, and maintenance.  The Managing
General  Partner believes that the necessary additional costs will also  be
minimal  and most will fall under normal and general maintenance procedures
and updates.  An accurate cost cannot be determined at this time, but it is
expected  that  the total cost to remediate all systems  to  be  less  than
$50,000.

Risks/Contingency

The  failure to correct critical systems of the Partnership, or the failure
of  a  material business partner or External Agent to resolve critical Year
2000  issues  could  have a serious adverse impact on the  ability  of  the
Partnership  to  continue operations and meet obligations.   Based  on  the
Managing  General  Partner's  evaluation and  assessment  to  date,  it  is
believed  that any interruption in operation will be minor and  short-lived
and  pose no material monetary loss, safety, or environmental risk  to  the
Partnership.   However, until all assessment is complete, it is  impossible
to accurately identify the risks, quantify potential impacts or establish a
final  contingency  plan. The Managing General Partner  believes  that  its
assessment and contingency planning will be complete no later than mid-year
1999.

Worst Case Scenario

The  Securities and Exchange Commission requires that public companies must
forecast the most reasonably likely worst case Year 2000 scenario, assuming
that  the  Managing  General Partner's Year 2000  plan  is  not  effective.
Analysis  of the most reasonably likely worst case Year 2000 scenarios  the
Partnership  may face leads to contemplation of the following possibilities
which,  though  considered  highly  unlikely,  must  be  included  in   any
consideration  of worst cases: widespread failure of electrical,  gas,  and
similar   supplies   by  utilities  serving  the  Partnership;   widespread
disruption  of  the  services of communications  common  carriers;  similar
disruption to means and modes of transportation for the Partnership and its
employees, contractors, suppliers, and customers; significant disruption to
the  Partnership's  ability to gain access to,  and  continue  working  in,
office  buildings  and other facilities; and the failure, of  third-parties
systems,  the  effects  of which would have a cumulative  material  adverse
impact  on  the  Partnership's  critical systems.   The  Partnership  could
experience  an inability by customers, traders, and others  to  pay,  on  a
timely  basis or at all, obligations owed to the Partnership.  Under  these
circumstances, the adverse effect on the Partnership, and the diminution of
Partnership revenues, could be material, although not quantifiable at  this
time.



<PAGE>
                       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:

               27 Financial Data Schedule

         (b)  Reports on Form 8-K:

               No reports on Form 8-
               K were filed during the quarter ended June 30, 1999.

<PAGE>
                                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 Officers
Date: August 15, 1999

<PAGE>