SECURITIES AND EXCHANGE COMMISSION

                     Washington, D.C. 20549

                            FORM 8-K

                         CURRENT REPORT


               Pursuant to Section 13 or 15(d) of
              the Securities Exchange Act of 1934

                Date of Report October 28, 1998


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



Delaware                                                  0-19601
                              75-2332174
(State   or  other  jurisdiction        Commission            IRS
Employer
of        incorporation)                        File       Number
Identification No.



       407 N. Big Spring, Suite 300, Midland, Texas 79701
       (Address of principal executive office) (Zip Code)


Registrant's telephone number, including area code (915) 686-9927


                              None
 (Former name or former address, if changed since last report.)




The total number of pages contained in this report is 3.



Item 2.   Acquisition or Disposition of Assets

          (a)    On   October   15,  1998,  Southwest   Royalties
          Institutional  Income Fund X-B (the "Registrant")  sold
          its  interest in 35 oil and gas properties to  Parks  &
          Luttrell,  Inc.  ("Parks"), an  unrelated  party.   The
          Registrant's  interests in the well was  sold  for  net
          proceeds,  after post closing adjustments, of  $95,201.
          At  December  31,  1997,  the property  sold  to  Parks
          contained proved reserves of 13,895 barrels of oil  and
          258,982 mcfs of gas and had a SEC 10 value of $254,948.
          The  proceeds  from the sale represented 8.70%  of  the
          Registrant's total assets.

Item 7.   Financial Statements and Exhibits

     (b)  Pro Forma Financial Information
          
          To  be  filed  within sixty (60) days of  the  date  of
          filing of this Current Report on Form 8-K, as permitted
          by Item 7 (b) (2) of Form 8-K.




                           SIGNATURES


Pursuant  to  the  requirements of Section 13  or  15(d)  of  the
Securities Exchange Act of 1934, the Partnership has duly  caused
this  report  to  be  signed on its behalf  by  the  undersigned,
thereunto duly authorized.

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



                                                              By:
                                   Southwest Royalties, Inc.
                                   Managing General Partner

                                                              By:
                                   /s/ Bill E. Coggin

- ------------------

Bill E. Coggin
                                   Vice President


Pursuant  to the requirements of the Securities Exchange  Act  of
1934,  this report has been signed below by the following  person
on  behalf of the Partnership and in the capacity and on the date
indicated.


Date: October 28, 1998             /s/ Bill E. Coggin
                              ----------------------------------
                              Bill E. Coggin, Vice President and
                              Chief Financial Officer