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3-D PROJECT SUMMARY CHART
AS OF DECEMBER 31, 2003

(1) We expect to
obtain a mezzanine project facility to finance a majority of our
exploration and development program in the Barnett Shale play in
2004. Accordingly, our 2004 capital spending program in the Barnett
Shale trend could increase significantly. See "Management's Discussion
and Analysis of Financial Condition and Results of Operations -
Liquidity and Capital Resources."
ONSHORE GULF COAST AREA
For purposes of presentation, we divide
our onshore Gulf Coast core region into four main producing areas:
Wilcox, Frio/Vicksburg, Southeast Texas and South Louisiana. Our
onshore Gulf Coast core area generally contains geologically complex
natural gas objectives well-suited for drilling using 3-D seismic
evaluation.
In our onshore Gulf Coast area, we have
identified over 120 exploratory drilling opportunities on acreage
we have under lease or have an option to lease, including over 45
additional extension opportunities, depending on the success of
our initial drilling activities on those locations. We have budgeted
approximately $40 to $45 million to drill approximately 35 wells
(14.3 net) and to purchase and reprocess 3-D seismic surveys during
2004.
TEXAS - WILCOX AREAS
We have licenses for approximately 1,800
square miles of 3-D seismic data and 18,326 acres of leasehold in
the Wilcox trend in Texas. From January 1, 2000 through December
31, 2003, we drilled and completed 32 wells (9.2 net) on 40 attempts
in this area. We incurred capital expenditures of $5.5 million and
drilled eight wells (2.3 net) in the Texas Wilcox area in 2003 and
expect to devote approximately $7.0 million to drill eight wells
(3.8 net) in this area in 2004. As of March 1, 2004, we have identified
over 30 exploratory drilling locations, with an additional 22 potential
extension opportunities, in the Wilcox trend over which we have
licenses for 3-D seismic data and leased acreage. Approximately
18 of the 30 exploratory locations we have identified are relatively
lower risk and generally shallower with the remainder being relatively
higher risk and deeper with greater upside potential.
Greater Cabeza Creek. Since January 1,
2000, our exploration efforts in the Wilcox area largely have been
focused in the greater Cabeza Creek area centered in Goliad, Lavaca
and Dewitt Counties, where we have licenses for over 950 square
miles of 3-D seismic data and 5,400 net acres of leasehold. From
January 1, 2000 through December 31, 2003, we drilled 14 wells (7.1
net) with an 86% success rate in this area. Our most notable discovery
was the Riverdale Field in 2001, where we have 68.8% working interest.
The Riverdale Field was delineated with two extension wells. The
greater Cabeza Creek area continues to be a primary focus area in
the middle and lower Wilcox intervals which have relatively higher
potential and risk. We have a significant acreage position to either
explore ourselves or sell to third parties while retaining a promoted
interest.
TEXAS FRIO/VICKSBURG/YEGUA AREAS
This combined trend area sometimes overlaps
but is generally closer to the Texas Gulf Coast than the Wilcox
areas discussed above. In any particular target or prospect in this
area, the Frio is the shallower formation, above the deeper Vicksburg
and still deeper Yegua formations. We have licenses for a total
of over 2,100 miles of 3-D seismic data and 8,922 net leasehold
acres over this trend.
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