ABRAXAS PETROLEUM CORP
SC 13D/A, 1998-01-21
CRUDE PETROLEUM & NATURAL GAS
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                              UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C. 20549

                              SCHEDULE 13D

               Under the Securities Exchange Act of 1934
                         (Amendment No. 2)


                         Abraxas Petroleum Corporation
                              (Name of Issuer)

                              Common Stock

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

                    (Title of Class of Securities)

                                003830106
                              (CUSIP Number)

                         Christopher J. Rupright, Esq.
                         Shartsis Friese & Ginsburg LLP
                      One Maritime Plaza, 18th Floor
                         San Francisco, CA 94111
                              (415) 421-6500
- ---------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive Notices
and Communications)

                              December 18, 1997
          (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to
report the acquisition which is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(b)(3) or (4), check the following
box / /.

Check the following box if a fee is being paid with the statement /  /.  (A
fee is not required only if the reporting person: (1) has a previous
statement on file reporting beneficial ownership of more than five percent of
the class of securities described in Item 1; and (2) has filed no amendment
subsequent thereto reporting beneficial ownership of five percent or less of
such class.)  (See Rule 13d-7.)

Note:  Six copies of this statement, including all exhibits, should be filed
with the Commission.  See Rule 13d-1(a) for other parties to whom copies are
to be sent.

* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of 
securities, and for any subsequent amendment containing information which
would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).



                                                            SEC 1746 (12-91)
<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 2 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff Capital Management, LLC
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       / X /
                                                            (b)       /  /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  559,600
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              559,600
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     559,600
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     8.9
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     OO and IA
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 3 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Richard S. Spencer III
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)/X /
                                                            (b)/ /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF and PF
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     United States
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  559,600
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              559,600
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     559,600
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     8.9
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     IN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                               Page 4 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     David R. Korus
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       /X /
                                                            (b)       / /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  559,600
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              559,600
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     559,600
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     8.9
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     IN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 5 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff, LLC
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       / X /
                                                            (b)       /  /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     AF
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  227,350
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              227,350
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     227,350
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     3.6
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     OO
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 6 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff Partners, L.P.
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       /X /
                                                            (b)       / /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     WC
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  107,250
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              107,250
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     107,250
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     1.7
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     PN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 7 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff Long/Short, L.P.
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       /X /
                                                            (b)       / /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     WC
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  91,900
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              91,900
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     91,900
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     1.5
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     PN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 8 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff Partners SA, L.P.
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       /X /
                                                            (b)       / /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     WC
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  17,850
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              17,850
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     17,850
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     0.3
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     PN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 9 of 15 Pages

- ---------------------------------------------------------------------------
1    NAME OF REPORTING PERSON
     SS OR IRS IDENTIFICATION NO. OF ABOVE PERSON

     Westcliff Long/Short SA, L.P.
- ---------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a)       /X /
                                                            (b)       / /
- ---------------------------------------------------------------------------
3    SEC USE ONLY
- ---------------------------------------------------------------------------
4    SOURCE OF FUNDS*

     WC
- ---------------------------------------------------------------------------
5    CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(d) or 2(E)                                               / /
- ---------------------------------------------------------------------------
6    CITIZENSHIP OR PLACE OF ORGANIZATION

     California
- ---------------------------------------------------------------------------
      NUMBER OF          7    SOLE VOTING POWER
       SHARES                 -0-
    BENEFICIALLY         --------------------------------------------------
      OWNED BY           8    SHARED VOTING POWER
        EACH                  10,350
      REPORTING          --------------------------------------------------
       PERSON            9    SOLE DISPOSITIVE POWER
        WITH                  -0-
                         --------------------------------------------------
                         10   SHARED DISPOSITIVE POWER
                              10,350
- ---------------------------------------------------------------------------
11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     10,350
- ---------------------------------------------------------------------------
12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
                                                                      / /
- ---------------------------------------------------------------------------
13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     0.2
- ---------------------------------------------------------------------------
14   TYPE OF REPORTING PERSON*
     PN
- ---------------------------------------------------------------------------
                    *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
     (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.<PAGE>
<PAGE>
SCHEDULE 13D

CUSIP No. 003830106                                    Page 10 of 15 Pages

ITEM 1.   SECURITY AND ISSUER.

This statement relates to the common stock (the "Stock") of Abraxas Petroleum
Corporation ("APC").  The principal executive office of APC is located at
500 N. Loop 1604 E, Suite 100, San Antonio, TX  78232.

ITEM 2.   IDENTITY AND BACKGROUND.

The persons filing this statement (the "Reporting Persons") and the persons
enumerated in Instruction C of Schedule 13D and, where applicable, their
respective places of organization, general partners, directors, executive
officers and controlling persons, and the information regarding them, are as
follows:

(a)  Westcliff Capital Management, LLC, a California limited liability
     company ("WCM"); Westcliff, LLC ("WL"); Westcliff Partners, L.P., a
     California limited partnership ("WP"); Westcliff Long/Short, L.P., a
     California limited partnership ("WLS"); Westcliff Partners SA, L.P., a
     California limited partnership ("WPSA"); Westcliff Long/Short SA, L.P.,
     a California limited partnership ("WLSSA"); Richard S. Spencer III
     ("Spencer"); and David R. Korus ("Korus").

(b)  The business address of WCM, WL, WP, WLS, WPSA, WLSSA and Spencer is 200
     Seventh Avenue, Suite 105, Santa Cruz, California 95062.  The business
     address of Korus is 152 W. 57th Street, New York, New York 10019.

(c)  WCM is the investment adviser to and a general partner of WP, WLS, WPSA
     and WLSSA, which are investment limited partnerships.  WL is a general
     partner of WP, WLS, WPSA and WLSSA.  Spencer and Korus are the sole
     managers of WCM and WL.

(d)  During the last five years, none of such persons has been convicted in
     a criminal proceeding (excluding traffic violations or similar
     misdemeanors).

(e)  During the last five years, none of such persons was a party to a civil
     proceeding of a judicial or administrative body of competent
     jurisdiction and as a result of such proceeding was or is subject to a
     judgment, decree or final order enjoining future violations of, or
     prohibiting or mandating activities subject to, federal or state
     securities laws or finding any violation with respect to such laws.

(f)  Spencer and Korus are citizens of the United States of America.

<PAGE>
<PAGE>
SCHEDULE 13D
CUSIP No. 003830106                                    Page 11 of 15 Pages

ITEM 3.   SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

The source and amount of funds used in purchasing the Stock were as follows:

Purchaser      Source of Funds               Amount

WCM            Funds Under Management(1)     $9,401,230.78
WP             Working Capital               $1,858,983.71
WLS            Working Capital               $1,557,168.94
WPSA           Working Capital               $  253,019.40
WLSSA          Working Capital               $  145,003.50

(1)  Consists of funds of WP, WLS, WPSA, WLSSA and various other, separately
managed, accounts invested in the Stock.


ITEM 4.   PURPOSE OF TRANSACTION.

The Reporting Persons have acquired the Stock solely for investment purposes.

ITEM 5.   INTEREST IN SECURITIES OF THE ISSUER.

The beneficial ownership of the Stock of the persons named in Item 2 of this
statement is as follows at the date hereof:

               Aggregate
               Beneficially 
               Owned                Voting Power       Dispositive Power
Name      Number         Percent   Sole      Shared    Sole      Shared

WCM       559,600        8.9           -0-   559,600       -0-   559,600
WP        107,250        1.7           -0-   107,250       -0-   107,250
WLS        91,900        1.5           -0-    91,900       -0-    91,900
WPSA       17,850        0.3           -0-    17,850       -0-    17,850
WLSSA      10,350        0.2           -0-    10,350       -0-    10,350
WL        227,350        3.6           -0-   227,350       -0-   227,350
Spencer   559,600        8.9           -0-   559,600       -0-   559,600
Korus     559,600        8.9           -0-   559,600       -0-   559,600


<PAGE>
<PAGE>
SCHEDULE 13D
CUSIP No. 00380106                                     Page 12 of 15 Pages

The persons filing this statement effected the following transactions in the
Stock on the dates indicated, and such transactions are the only transactions
in the Stock by the persons filing this statement since November 21, 1997.

     Purchase                 Number         Price
Name  or Sale  Date           of Shares      Per Share

WCM       S    12-2-97           900         14.80
WCM       P    12-2-97           900         14.82
WCM       S    12-3-97         3,100         14.36
WCM       P    12-3-97         3,100         14.39
WCM       P    12-4-97         3,600         15.88
WCM       P    12-11-97        7,500         14.75
WCM       P    12-12-97       21,750         14.75
WLS       P    12-12-97        7,400         14.75
WP        P    12-12-97        5,850         14.75
WCM       P    12-18-97        5,750         14.25
WCM       P    12-18-97        2,600         14.25
WCM       P    12-18-97        1,650         14.25
WCM       P    12-31-97        4,700         14.56
WPSA      P    1-2-98          8,600         14.51
WP        P    1-2-98            300         14.51
WLS       P    1-2-98          1,900         14.51
WCM       S    1-2-98          8,600         14.49
WCM       P    1-2-98         13,500         14.51
WCM       S    1-2-98         15,700         14.49
WPSA      P    1-6-98          8,550         14.01
WP        S    1-6-98          2,250         13.99
WLSSA     P    1-6-98         10,350         14.01
WLS       S    1-6-98         19,750         13.99
WCM       S    1-6-98         18,050         14.01
WCM       S    1-6-98         21,250         13.99
WCM       P    1-6-98          6,300         14.01
WCM       P    1-7-98            200         14.20
WCM       S    1-7-98          3,100         14.18
WCM       P    1-7-98            150         14.20
WCM       S    1-7-98            300         14.18
WCM       P    1-7-98          3,050         14.20
WPSA      P    1-9-98             50         12.83
WP        P    1-9-98          4,450         12.83
WLS       P    1-9-98          4,500         12.83
WCM       P    1-9-98          6,000         12.83
WP        P    1-12-98         1,050         11.88
WLS       P    1-12-98           400         11.88
WCM       P    1-12-98         1,050         11.88

               (Table Continued on Page 13)
<PAGE>
<PAGE>
SCHEDULE 13D
CUSIP No. 00380106                                     Page 13 of 15 Pages

               (Table Continued from Page 12)

WPSA      P    1-13-98           300         11.88
WP        P    1-13-98           400         11.88
WLS       P    1-13-98           500         11.88
WCM       P    1-13-98         1,300         11.88
WPSA      P    1-14-98           250         11.88
WP        P    1-14-98         1,000         11.88
WLS       P    1-14-98           900         11.88
WCM       P    1-14-98         2,850         11.88
WPSA      P    1-16-98           100         12.75
WP        P    1-16-98           800         12.75
WLS       P    1-16-98           300         12.75
WCM       P    1-16-98         1,300         12.75


All transactions were executed through the Nasdaq National Market System.


ITEM. 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
          RESPECT TO SECURITIES OF THE ISSUER.

WCM and WL are the general partners of WP, WLS, WPSA and WLSSA pursuant to
limited partnership agreements providing to WCM the authority, among other
things, to invest the funds of WP, WLS, WPSA and WLSSA in the Stock, to vote
and dispose of the Stock and to file this statement on behalf of WP, WLS,
WPSA and WLSSA.  Pursuant to such limited partnership agreements, the general
partners of WP, WLS, WPSA and WLSSA are entitled to allocations based on
assets under management and realized and unrealized gains, under certain
conditions.  Pursuant to investment management agreements (the "IMAs"), WCM
is authorized, among other things, to invest funds of its various investment
advisory clients in securities, and to vote and dispose of those securities. 
The IMAs may be terminated by either party pursuant to the terms of the IMAs
and provide for fees payable to WCM, based on assets under management, and,
in certain cases, realized and unrealized gains and losses if certain
conditions are met.

<PAGE>
<PAGE>
SCHEDULE 13D
CUSIP No. 003830106                                    Page 14 of 15 Pages

ITEM 7.   MATERIAL TO BE FILED AS EXHIBITS.

A.   Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G.

SIGNATURES

     After reasonable inquiry and to the best of my knowledge, I certify that
the information set forth in this statement is true, complete and correct.

DATED:    January 20, 1998

WESTCLIFF PARTNERS, L.P.                /s/ Richard S. Spencer III
                                        Richard S. Spencer III

By:  Westcliff Capital Management       David R. Korus
     LLC, General Partner
                                        By:  /s/ Richard S. Spencer III
     By:  /s/ Richard S. Spencer III         Richard S. Spencer III, 
          Richard S. Spencer III           Attorney-in-Fact
          Manager                       
                                        WESTCLIFF CAPITAL MANAGEMENT, LLC
                                        
WESTCLIFF LONG/SHORT, L.P.              By:  /s/ Richard S. Spencer III
                                             Richard S. Spencer III
                                             Manager
By:  Westcliff Capital Management,
     LLC, General Partner               WESTCLIFF, LLC

     By:  /s/ Richard S. Spencer III    By:  /s/ Richard S. Spencer III
          Richard S. Spencer III             Richard S. Spencer
          Manager                            Manager

WESTCLIFF PARTNERS SA, L.P.             WESTCLIFF LONG/SHORT SA, L.P.


By:  Westcliff Capital Management,      By:  Westcliff Capital Management,
     LLC, General Partner                    LLC, General Partner


     By:  /s/ Richard S. Spencer III    By:  /s/ Richard S. Spencer III
          Richard S. Spencer III             Richard S. Spencer
          Manager                            Manager
<PAGE>
<PAGE>
SCHEDULE 13D
CUSIP No. 003830106                                    Page 15 of 15 Pages
                                                            EXHIBIT A
AGREEMENT REGARDING JOINT FILING
OF STATEMENT ON SCHEDULE 13D OR 13G

The undersigned agree to file jointly with the Securities and Exchange
Commission (the "SEC") any and all statements on Schedule 13D or Schedule 13G
(and any amendments or supplements thereto) required under section 13(d) of
the Securities Exchange Act of 1934, as amended, in connection with purchases
by the undersigned of Common Stock of Abraxas Petroleum Corporation.  For
that purpose, the undersigned hereby constitute and appoint Westcliff Capital
Management, LLC, a California limited liability company, as their true and
lawful agent and attorney-in-fact, with full power and authority for and on
behalf of the undersigned to prepare or cause to be prepared, sign, file with
the SEC and furnish to any other person all certificates, instruments,
agreements and documents necessary to comply with section 13(d) and
section 16(a) of the Securities Exchange Act of 1934, as amended, in
connection with said purchases, and to do and perform every act necessary and
proper to be done incident to the exercise of the foregoing power, as fully
as the undersigned might or could do if personally present.

DATED:    January 20, 1998

WESTCLIFF PARTNERS, L.P.                /s/ Richard S. Spencer III
                                        Richard S. Spencer III

By:  Westcliff Capital Management       David R. Korus
     LLC, General Partner
                                        By:  /s/ Richard S. Spencer III
     By:  /s/ Richard S. Spencer III         Richard S. Spencer III, 
          Richard S. Spencer III           Attorney-in-Fact
          Manager                       
                                        WESTCLIFF CAPITAL MANAGEMENT, LLC
                                        
WESTCLIFF LONG/SHORT, L.P.              By:  /s/ Richard S. Spencer III
                                             Richard S. Spencer III
                                             Manager
By:  Westcliff Capital Management,
     LLC, General Partner               WESTCLIFF, LLC

     By:  /s/ Richard S. Spencer III    By:  /s/ Richard S. Spencer III
          Richard S. Spencer III             Richard S. Spencer
          Manager                            Manager

WESTCLIFF PARTNERS SA, L.P.             WESTCLIFF LONG/SHORT SA, L.P.


By:  Westcliff Capital Management,      By:  Westcliff Capital Management,
     LLC, General Partner                    LLC, General Partner


     By:  /s/ Richard S. Spencer III    By:  /s/ Richard S. Spencer III
          Richard S. Spencer III             Richard S. Spencer
          Manager                            Manager
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