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
Southwest Royalties, Inc.
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
75-1917432
4. Statement for Month/Year
January 1997
5. If Amendment, Date of Original
N/A
6. Relationship of Reporting Person to Issuer
Southwest Royalties, Inc. as Managing General Partner, of the issuer.
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TABLE I
1. Title of Security
Limited partnership interest
Units
Date Code Units Acquired Price Owned Ownership Nature
---- ---- ----- -------- ----- ----- --------- ------
01-16-97 P 60.00 A $171.60 168.00 I *
* Southwest Royalties, Inc. as Managing General Partner, of the issuer.
Date: February 5, 1997 /s/ Bill E. Coggin
--------------------------------------
Signed on behalf of Southwest
Royalties, Inc. the Managing General
Partner of the issuer by Bill E.
Coggin, Vice-President and CFO.
