EXHIBIT 23.5 CONSENT OF H.J. GRUY AND ASSOCIATES, INC. We hereby consent to the use of the name H.J. Gruy and Associates Inc. and of references to H.J. Gruy and Associates, Inc. and to the inclusion of and references to our reports, or information...

▇.▇. ▇▇▇▇ AND ASSOCIATES, INC.
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▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇ o TEL. (▇▇▇) ▇▇▇-▇▇▇▇
o FAX (▇▇▇) ▇▇▇-▇▇▇▇


                                                                    EXHIBIT 23.5

                   CONSENT OF ▇.▇. ▇▇▇▇ AND ASSOCIATES, INC.


We hereby consent to the use of the name ▇.▇. ▇▇▇▇ and Associates Inc. and of
references to ▇.▇. ▇▇▇▇ and Associates, Inc. and to the inclusion of and
references to our reports, or information contained therein, dated March 10,
2000, and dated March 9, 2001, prepared for ▇▇▇▇▇▇▇ Resources, Inc. in the
Registration Statement on Amendment No. 1 to Form S-1 of Plains Exploration &
Production Company, L.P. for the filing dated on or about August 28, 2002.




                                              ▇.▇. ▇▇▇▇ AND ASSOCIATES, INC.
                                              Texas Registration Number F-000637


                                              by: /s/ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, P.E.
                                                 -------------------------------
                                              ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, P.E.
                                              Vice President



August 27, ▇▇▇▇
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