<PAGE> 1
EXHIBIT 23.3
CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
We hereby consent (i) to our being named as an expert in this
Registration Statement; (ii) to all references in this Registration Statement to
information contained in our reserve reports as of December 31, 1999 and June
30, 2000, relating to estimates of proved reserves and future revenues to the
interest of Mallon in certain oil and gas properties located in the United
States; and (iii) to all references in the Prospectus to our report, and/or to
this firm.
September 8, 2000 Reed W. Ferrill & Associates, Inc.