SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND XI-B LP
10-Q, 2000-11-03
CRUDE PETROLEUM & NATURAL GAS
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                               Page 16 of 16
                                 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, 2000

                                    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 33-47668-02

         SOUTHWEST ROYALTIES INSTITUTIONAL 1992-93 INCOME PROGRAM
         Southwest Royalties Institutional Income Fund XI-B, L.P.
                  (Exact name of registrant as specified
                   in its limited partnership agreement)

Delaware                                          75-2427289
(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 16.

<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 note thereto  for
the  year ended December 31, 1999 which are found in the Registrant's  Form
10-K  Report  for  1999 filed with the Securities and Exchange  Commission.
The December 31, 1999 balance sheet included herein has been taken from the
Registrant's  1999 Form 10-K Report.  Operating results for the  three  and
nine  month periods ended September 30, 2000 are not necessarily indicative
of the results that may be expected for the full year.

<PAGE>

         Southwest Royalties Institutional Income Fund XI-B, L.P.

                              Balance Sheets

                                              September 30,   December 31,
                                                   2000           1999
                                              -------------   ------------
                                               (unaudited)
Assets

Current assets
 Cash and cash equivalents                     $   27,460         24,784
 Receivable from Managing General Partner          59,263         39,956
 Distribution receivable                                -             70
                                                ---------      ---------
     Total current assets                          86,723         64,810
                                                ---------      ---------
Oil and gas properties - using the
 full cost method of accounting                 2,006,334      2,006,334
  Less accumulated depreciation,
   depletion and amortization                   1,685,721      1,665,721
                                                ---------      ---------
     Net oil and gas properties                   320,613        340,613
                                                ---------      ---------
                                               $  407,336        405,423
                                                =========      =========

Liabilities and Partners' Equity

Partners' equity
 General partners                              $    8,769          6,578
 Limited partners                                 398,567        398,845
                                                ---------      ---------
     Total partners' equity                       407,336        405,423
                                                ---------      ---------
                                               $  407,336        405,423
                                                =========      =========
<PAGE>

         Southwest Royalties Institutional Income Fund XI-B, L.P.

                         Statements of Operations
                                (unaudited)


                                Three Months Ended    Nine Months Ended
                                  September 30,         September 30,
                                  2000      1999        2000      1999
                                  ----      ----        ----      ----
Revenues

Income from net profits
 interests                    $   73,785    71,505     220,544   120,037
Interest income from operations                536         355     1,412
514
Miscellaneous income                   -         -           -    21,000
                                  ------   -------     -------   -------
                                  74,321    71,860     221,956   141,551
                                  ------   -------     -------   -------
Expenses

General and administrative        10,109     9,617      30,043    32,100
Depreciation, depletion and
 amortization                      7,000     7,000      20,000    28,102
                                  ------   -------     -------   -------
                                  17,109    16,617      50,043    60,202
                                  ------   -------     -------   -------
Net income                    $   57,212    55,243     171,913    81,349
                                  ======   =======     =======   =======

Net income allocated to:

 Managing General Partner     $    5,779     5,602      17,272     9,851
                                  ======   =======     =======   =======
 General Partner              $      642       622       1,919     1,094
                                  ======   =======     =======   =======
 Limited Partners             $   50,791    49,019     152,722    70,404
                                  ======   =======     =======   =======
  Per limited partner unit    $    10.47     10.10       31.48     14.51
                                  ======   =======     =======   =======

<PAGE>

         Southwest Royalties Institutional Income Fund XI-B, L.P.

                         Statements of Cash Flows
                                (unaudited)


                                                      Nine Months Ended
                                                        September 30,
                                                       2000       1999
                                                       ----       ----
Cash flows from operating activities

 Cash received from oil and gas sales              $  203,219    113,495
 Cash paid to suppliers                              (32,025)   (31,332)
 Interest received                                      1,412        514
                                                      -------    -------
  Net cash provided by operating activities           172,606     82,677
                                                      -------    -------
Cash flows provided by investing activities

 Cash received from sale of oil and gas
  property interest                                         -      1,571
 Additions to oil and gas properties                        -      (712)
                                                      -------    -------
  Net cash provided by investing activities                 -        859
                                                      -------    -------
Cash flows used in financing activities

 Distributions to partners                          (169,930)   (52,848)
                                                      -------    -------
Net increase in cash and cash equivalents               2,676     30,688

 Beginning of period                                   24,784      2,410
                                                      -------    -------
 End of period                                     $   27,460     33,098
                                                      =======    =======

                                                             (continued)
<PAGE>

         Southwest Royalties Institutional Income Fund XI-B, L.P.

                    Statements of Cash Flows, continued
                                (unaudited)


                                                      Nine Months Ended
                                                        September 30,
                                                       2000       1999
                                                       ----       ----
Reconciliation of net income to net
 cash provided by operating activities

Net income                                         $  171,913     81,349

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

 Depreciation, depletion and amortization              20,000     28,102
 Increase in receivables                             (17,325)    (6,542)
 Decrease in payables                                 (1,982)   (20,232)
                                                      -------    -------
Net cash provided by operating activities          $  172,606     82,677
                                                      =======    =======


<PAGE>

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

                      Notes to Financial Statements

1. Organization
    Southwest  Royalties Institutional Income Fund XI-B, L.P. was organized
    under  the  laws of the state of Delaware on August 31, 1993,  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
                                                    Partner   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 contributions100%         -
     Oil and gas revenues                           90%        10%
     All 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, 2000,  and  for
     the  three  and  nine months ended September 30, 2000,  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, 1999.

<PAGE>
Item 2.  Management's  Discussion and Analysis of Financial  Condition  and
       Results of Operations
General
Southwest Royalties Institutional Income Fund XI-B, L.P. was organized as a
Delaware  limited  partnership on August 31, 1993.  The  offering  of  such
limited  partnership interests began October 25, 1993, as part of  a  shelf
offering registered under the name Southwest Royalties Institutional  1992-
93  Income Program.  Minimum capital requirements for the Partnership  were
met on December 8, 1993, with the offering of limited partnership interests
concluding  August  20, 1994, with total limited partner  contributions  of
$2,425,500.

The Partnership was formed to acquire royalty and net profits interests  in
producing  oil  and  gas properties, to produce and market  crude  oil  and
natural  gas  produced  from  such properties and  to  distribute  any  net
proceeds from operations to the general and limited partners.  Net revenues
from  producing  oil  and gas properties will not be  reinvested  in  other
revenue producing assets except to the extent that producing facilities and
wells are reworked or where methods are employed to improve or enable  more
efficient  recovery  of oil and gas reserves.  The  economic  life  of  the
Partnership will thus depend on the period over which the Partnership's oil
and gas reserves are economically recoverable.

Increases   or   decreases   in  Partnership   revenues   and,   therefore,
distributions  to partners will depend primarily on changes in  the  prices
received  for  production,  changes in volumes of  production  sold,  lease
operating  expenses, enhanced recovery projects, offset drilling activities
pursuant  to farm-out arrangements, 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 the next year.  The Partnership could possibly experience
a normal decline.

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.   For  the  quarter ended September  30,  2000,  the  net
capitalized cost did not exceed the estimated present value of oil and  gas
reserves.

<PAGE>
Results of Operations

A.  General Comparison of the Quarters Ended September 30, 2000 and 1999

The  following  table  provides certain information  regarding  performance
factors for the quarters ended September 30, 2000 and 1999:

                                                 Three Months
                                                    Ended        Percentage
                                                September 30,     Increase
                                                2000      1999   (Decrease)
                                                ----      ----   ----------
Average price per barrel of oil            $   31.15     21.50     45%
Average price per mcf of gas               $    5.09      2.41    111%
Oil production in barrels                      1,450     2,900   (50%)
Gas production in mcf                         17,200    21,510   (20%)
Income from net profits interests          $  73,785    71,505      3%
Partnership distributions                  $  60,000    27,000    122%
Limited partner distributions              $  54,000    24,300    122%
Per unit distribution to limited partners  $   11.13      5.01    122%
Number of limited partner units                4,851     4,851

Revenues

The  Partnership's income from net profits interests increased  to  $73,785
from   $71,505  for  the  quarters  ended  September  30,  2000  and  1999,
respectively,  an  increase  of 3%.  The principal  factors  affecting  the
comparison  of  the  quarters ended September 30,  2000  and  1999  are  as
follows:

1.   The  average  price  for a barrel of oil received by  the  Partnership
     increased  during the quarter ended September 30, 2000 as compared  to
     the  quarter  ended  September 30, 1999 by 45%, or $9.65  per  barrel,
     resulting in an increase of approximately $28,000 in income  from  net
     profits  interests.  Oil sales represented 34% of total  oil  and  gas
     sales  during the quarter ended September 30, 2000 as compared to  55%
     during the quarter ended September 30, 1999.

     The  average  price  for  an mcf of gas received  by  the  Partnership
     increased  during the same period by 111%, or $2.68 per mcf, resulting
     in  an  increase of approximately $57,600 in income from  net  profits
     interests.

     The  total  increase in income from net profits interests due  to  the
     change in prices received from oil and gas production is approximately
     $85,600.  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 1,450 barrels or 50% during the
   quarter  ended  September  30, 2000 as compared  to  the  quarter  ended
   September 30, 1999, resulting in a decrease of approximately $45,200  in
   income from net profits interests.

   Gas  production decreased approximately 4,310 mcf or 20% during the same
   period, resulting in a decrease of approximately $21,900 in income  from
   net profits interests.

   The  net total decrease in income from net profits interests due to  the
   change  in  production  is  approximately  $67,100.   The  decrease   in
   production is in relation to a settlement of royalty on the Dagger  Draw
   Lease.   Production  interest of approximately 1,100 barrels  and  1,070
   mcfs  were held in suspense from 1993 through 1999.  These dollars  were
   received  and  recorded in the Partnership during the third  quarter  of
   1999.

3.  Lease  operating  costs  and  production  taxes  were  11%  higher,  or
    approximately $4,900 more during the quarter ended September  30,  2000
    as compared to the quarter ended September 30, 1999.

Costs and Expenses

Total costs and expenses increased to $17,109 from $16,617 for the quarters
ended  September 30, 2000 and 1999, respectively, an increase of  3%.   The
increase is the result of higher general and administrative expense.

1.  General and administrative costs consists of independent accounting and
    engineering  fees,  computer services, postage,  and  Managing  General
    Partner personnel costs.  General and administrative costs increased 5%
    or  $500 during the quarter ended September 30, 2000 as compared to the
    quarter ended September 30, 1999.

2.  Depletion  expense remained unchanged for the quarter  ended  September
    30,  2000 from the same period in 1999.  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.

<PAGE>

B.  General Comparison of the Nine Month Periods Ended September 30, 2000
and 1999

The  following  table  provides certain information  regarding  performance
factors for the nine month periods ended September 30, 2000 and 1999:

                                                 Nine Months
                                                    Ended        Percentage
                                                September 30,     Increase
                                                2000      1999   (Decrease)
                                                ----      ----   ---------
Average price per barrel of oil            $   28.33     15.51      83%
Average price per mcf of gas               $    3.91      2.01      95%
Oil production in barrels                      5,220     7,590    (31%)
Gas production in mcf                         54,100    60,610    (11%)
Income from net profits interests          $ 220,544   120,037      84%
Partnership distributions                  $ 170,000    52,699     223%
Limited partner distributions              $ 153,000    47,599     221%
Per unit distribution to limited partners  $   31.54      9.81     221%
Number of limited partner units                4,851     4,851

Revenues

The  Partnership's income from net profits interests increased to  $220,544
from  $120,037  for  the nine months ended September  30,  2000  and  1999,
respectively,  an  increase of 84%.  The principal  factors  affecting  the
comparison  of  the nine months ended September 30, 2000 and  1999  are  as
follows:

1.  The  average  price  for a barrel of oil received  by  the  Partnership
    increased  during the nine months ended September 30, 2000 as  compared
    to  the  nine  months ended September 30, 1999 by 83%,  or  $12.82  per
    barrel,  resulting  in an increase of approximately $97,300  in  income
    from net profits interests.  Oil sales represented 41% of total oil and
    gas  sales during the nine months ended September 30, 2000 as  compared
    to 49% during the nine months ended September 30, 1999.

    The  average  price  for  an  mcf of gas received  by  the  Partnership
    increased during the same period by 95%, or $1.90 per mcf, resulting in
    an  increase  of  approximately $115,200 in  income  from  net  profits
    interests.

    The  total  increase in income from net profits interests  due  to  the
    change  in prices received from oil and gas production is approximately
    $212,500.  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 2,370 barrels or 31% during the
    nine  months  ended September 30, 2000 as compared to the  nine  months
    ended  September  30,  1999, resulting in a decrease  of  approximately
    $67,100 in income from net profits interests.

    Gas production decreased approximately 6,510 mcf or 11% during the same
    period, resulting in a decrease of approximately $25,500 in income from
    net profits interests.

    The  total  decrease in income from net profits interests  due  to  the
    change  in  production  is  approximately  $92,600.   The  decrease  in
    production is in relation to a settlement of royalty on the Dagger Draw
    Lease.   Production interest of approximately 1,100 barrels  and  1,070
    mcfs  were held in suspense from 1993 through 1999.  These dollars were
    received  and recorded in the Partnership during the third  quarter  of
    1999.

3.  Lease  operating  costs  and  production  taxes  were  16%  higher,  or
    approximately  $19,000 more during the nine months ended September  30,
    2000  as  compared  to the nine months ended September  30,  1999.  The
    increase  in lease operating costs and production taxes is primarily  a
    result  of  the higher oil and gas prices received by the  Partnership.
    Higher  prices  have  made it possible for the Partnership  to  perform
    needed major repairs and maintenance.  Since production taxes are based
    on  gross  revenues, the increase in oil and gas prices  have  directly
    increased production taxes.

Costs and Expenses

Total  costs  and expenses decreased to $50,043 from $60,202 for  the  nine
months ended September 30, 2000 and 1999, respectively, a decrease of  17%.
The  decrease is the result of lower general and administrative expense and
depletion expense.

1.  General and administrative costs consists of independent accounting and
    engineering  fees,  computer services, postage,  and  Managing  General
    Partner personnel costs.  General and administrative costs decreased 6%
    or  $2,100 during the nine months ended September 30, 2000 as  compared
    to the nine months ended September 30, 1999.

2.  Depletion  expense  decreased to $20,000  for  the  nine  months  ended
    September  30,  2000 from $28,000 for the same period  in  1999.   This
    represents a decrease of 29%.  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 and the increase in oil and gas
    revenues received by the Parntership.

<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 $172,600  in
the  nine  months  ended  September 30, 2000 as compared  to  approximately
$82,700 in the nine months ended September 30, 1999.  The primary source of
the 2000 cash flow from operating activities was profitable operations.

There  were  no  cash flows provided by investing activities  in  the  nine
months  ended  September  30,  2000.   Cash  flows  provided  by  investing
activities  were approximately $900 in the nine months ended September  30,
1999.

Cash flows used in financing activities were approximately $169,900 in  the
nine  months ended September 30, 2000 as compared to approximately  $52,800
in  the  nine  months ended September 30, 1999.  The only use in  financing
activities was the distributions to partners.

Total  distributions during the nine months ended September 30,  2000  were
$170,000  of  which  $153,000 was distributed to the limited  partners  and
$17,000  to  the  general partners.  The per unit distribution  to  limited
partners during the nine months ended September 30, 2000 was $31.54.  Total
distributions during the nine months ended September 30, 1999 were  $52,699
of  which $47,599 was distributed to the limited partners and $5,100 to the
general partners.  The per unit distribution to limited partners during the
nine months ended September 30, 1999 was $9.81.

The  sources  for  the  2000 distributions of $170,000  were  oil  and  gas
operations  of  approximately  $172,600,  resulting  in  excess  cash   for
contingencies  or  subsequent  distribution.   The  source  for  the   1999
distributions  of  $52,699  was  oil and gas  operations  of  approximately
$82,700  and  the  change in oil and gas properties of approximately  $900,
resulting in excess cash for contingencies or subsequent distribution.

Since  inception of the Partnership, cumulative monthly cash  distributions
of  $1,272,138 have been made to the partners.  As of September  30,  2000,
$1,158,952 or $238.91 per limited partner unit has been distributed to  the
limited partners, representing a 48% return of the capital contributed.

As  of  September  30, 2000, the Partnership had approximately  $86,700  in
working  capital.   The  Managing  General  Partner  knows  of  no  unusual
contractual commitments and believes the revenues generated from operations
are adequate to meet the needs of the Partnership.


<PAGE>
Liquidity - Managing General Partner
The  Managing General Partner has a highly leveraged capital structure with
approximately, $33.8 million of cash interest and $5.9 million of principal
due  within  the  next  twelve  months.  The Managing  General  Partner  is
currently  in  the  process  of renegotiating  the  terms  of  its  various
obligations with its note holders 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  continuing
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.




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




<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 Royalties Institutional
                                   Income Fund XI-B, 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:     November 15, 2000

<PAGE>



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