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                                                                    EXHIBIT 21.2



CERTIFICATE OF INCORPORATION


State of Delaware
Certificate of Incorporation
A Stock Corporation



First:             The name of this corporation is Revenge Marine, Inc.

Second:            Its registered office in the State of Delaware is to be
                   located at 15 E. North Street, in the city of Dover, County
                   of Kent, Zip Code 19901. The Registered Agent in charge
                   thereof is Permacorp Incorporated

Third:             The purpose of this corporation is to engage in any lawful
                   act or activity for which corporations may be organized under
                   the General Corporation Law of Delaware.

Fourth:            The amount of the total authorized capital stock of this
                   corporation is one hundred thousand Dollars ($ 100,000.00)
                   divided into 10,000,000 shares of .01 Dollars ($0.01) each.

Fifth:             The name and mailing address of the incorporator are as
                   follows: William C. Robinson, 7711 S. Jamestown, Tulsa, OK
                   74136

Sixth:             I, THE UNDERSIGNED, for the purpose of forming a corporation
                   under the laws of the State of Delaware, do intake, file and
                   record this Certificate and do certify that the facts herein
                   stated are true, and have accordingly set my hand this second
                   day of October, A.D. 1998.


/s/ William C. Robinson
Incorporator