
                                                         EXHIBIT 23.3


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS


         We hereby consent to (a) the use of our name and references to our Firm
in this Registration Statement on Form S-3 for 3DX Technologies Inc. and (b) the
incorporation  by reference in this  Registration  on Form S-3 of all reports of
our Firm included in or made part of this Registration Statement on Form S-3 for
3DX Technologies Inc.


                                                     RYDER SCOTT COMPANY
                                                     PETROLEUM ENGINEERS


Houston, Texas
September 9, 1998




