U. S. Securities and Exchange Commission
Washington, D. C. 20549

FORM 4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940.

1. Name and Address of Reporting Person Person, J Steven 407 N. Big Spring Street Midland, TX 79701

2. Issuer Name and Ticker or Trading Symbol

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

3. IRS or Social Security Number of Reporting Person 000-00-0000

4. Statement for Month/Year December 1997

5. If Amendment, Date of Original N/A

6. Relationship of Reporting Person to Issuer Southwest Royalties, Inc. as Managing General Partner, of which reporting person is Vice-President of Marketing.

TABLE I

1. Title of Security Limited partnership interest

                                                Units
 Date     Code    Units   Acquired    Price     Owned   Ownership    Nature
 ----     ----    -----   --------    -----     -----   ---------    ------
12-16-97    P      6.00       A      $131.55    279.00      I           *

* Southwest Royalties, Inc. as Managing General Partner, of which reporting person is Vice-President of Marketing.

Date:  January 2, 1998                    /s/ J Steven Person
                                          ---------------------------------
-
                                         J  Steven  Person,  Vice-President
                                         of    Marketing    of    Southwest
                                         Royalties,   Inc.   the   Managing
                                         General Partner