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                                                                    EXHIBIT 23.6


                    [HARPER AND ASSOCIATES, INC. LETTERHEAD]


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS


         We hereby consent to (i) the inclusion, and the incorporation by
reference, in the prospectus (the "Prospectus") constituting a part of the
Pre-Effective Amendment No. 1 to the Registration Statement on Form S-4 filed by
Queen Sand Resources, Inc., a Delaware corporation (the "Company"), under the
Securities Act of 1933, of information contained in our reserve reports relating
to the proved oil and natural gas reserves and future net revenues of oil and
natural gas reserves as of June 30, 1996 and, with respect to the Nasgas
Properties, as of June 30, 1997 and all references to such report letters and/or
this firm in such Prospectus and (ii) further consent to our being named as an
expert therein in the section titled "Engineers."


                                       HARPER AND ASSOCIATES, INC.