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                                                                    EXHIBIT 23.5


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

   
         We hereby consent to the incorporation by reference of our name in the
Annual Report on Form 10-K of Lomak Petroleum, Inc. (the "Company") for the year
ended December 31, 1997. We also consent to the reference to our firm under the
heading "Experts" in the Proxy Statement/Prospectus relating to the merger of
Domain Energy Corporation into the Company included in the Registration
Statement.
    


   
                                        H.J. GRUY AND ASSOCIATES, INC.


                                        /s/ MARILYN WILSON
                                        ------------------------------------- 
                                        Marilyn Wilson
                                        President and Chief Operating Officer   
    

   
June 22, 1998