EXHIBIT 32.2

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
                                (18 U.S.C. 1350)

The undersigned, Sterling H. McDonald, Chief Financial Officer of Natural Gas
Systems, Inc. (the "Company"), certifies in connection with the filing with the
Securities and Exchange Commission of the Company's Quarterly Report on Form
10-QSB for the quarter ended March 31, 2006 (the "Report")") pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, to his knowledge, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company as of
and for the periods covered in the Report.

IN WITNESS WHEREOF, the undersigned has executed this certification as of the
22nd day of May, 2006.


                        /s/ STERLING H. MCDONALD
                        --------------------------------
                        Sterling H. McDonald
                        Chief Financial Officer


A signed original of this written statement required by Section 906 has been
provided to Natural Gas Systems, Inc. and will be retained by Natural Gas
Systems, Inc. and furnished to the Securities and Exchange Commission or its
staff upon request. The foregoing certificate is being furnished to the
Securities and Exchange Commission as an exhibit to this Form 10-QSB and shall
not be considered filed as part of the Form 10-QSB.