<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>38
<FILENAME>v036959_ex23-1.txt
<TEXT>

EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors
Natural Gas Systems, Inc. and Subsidiaries

We consent to the incorporation by reference in Amendment No. 3 to the
Registration Statement (Number 333-125564) of Natural Gas Systems, Inc. and
Subsidiaries, on Form SB-2 to be filed with the Commission on or about March 2,
2006 of our report dated August 27, 2005, except for the first paragraph in Note
18 as to which the date is September 27, 2005 covering the financial statements
of Natural Gas Systems, Inc. and Subsidiaries for the twelve months ended June
30, 2005, the six months ended June 30, 2004 and the period from September 23,
2003 (inception) to December 31, 2003 and our report dated July 30, 2004
covering the statements of revenues and direct operating expenses of the Delhi
Field for the period from January 1, 2003 to September 23, 2003 and for the
nine-month period ended December 31, 2002. We also consent to the reference to
us under the heading "Experts' in such Registration Statement.


/s/ Hein & Associates, LLP

Certified Public Accountants
Houston, Texas
March 1, 2006
</TEXT>
</DOCUMENT>
