EXHIBIT 23.1

                    [Letterhead of Ryder Scott Company, L.P.]

                      Consent of Ryder Scott Company, L.P.

     As independent petroleum engineers, we hereby consent to the incorporation
by reference in this Form 10-K of Apache Offshore Investment Partnership to our
Firm's name and our Firm's review of the proved oil and gas reserve quantities
of Apache Offshore Investment Partnership as of January 1, 2005.


                                        /s/ Ryder Scott Company, L.P.
                                        ----------------------------------------
                                        Ryder Scott Company, L.P.

Houston, Texas
March 11, 2005