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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Exploration Opportunities for Independents -
Case Histories In North and East Texas
By
Exploration opportunities throughout
the continental USA abound for
today's independents. The shift of major
oil companies toward the international
scene has resulted in chances ranging
from purchases of producing properties
to singular opportunities in exploration.
Well
-defined prospects backed by state-of-the-art technical data exist in the
archives of most major, domestic oil
companies. The fact that reserve levels
linked to international and domestic
offshore prospects are most attractive to
the majors, establishes a window of
opportunity for independents interested
in domestic, onshore drilling of scientifically-sound, commercial tests.
As a point of illustration, prospects in
north and east Texas have been selected
for discussion. In north Texas, seismic
reveals the potential which still exists
within this mature, productive province.
Subtle structural and stratigraphic trap
involving the regionally productive,
Pennsylvanian conglomerates; the fractured,
Mississippian Barnett Shale which
acts as its own source, reservoir and
trap, and where well
-established rock
mechanics models are applicable in
determining optimum fracture development and prospect locations; the productive
potential of the Cambro
Ordovician deep Ellenburger carbonates
and underlying Cambrian sands;
and a fascinating
sequence
of Pre-Cambrian truncated wedges of
unknown hydrocarbon potential mark
some of the various opportunities that
still exist for the independent explorationist
in this region. In east Texas,
log
analysis
of untested sections of the
Cretaceous Glen Rose formation, analogous
to the prolific production found in
the Alabama Ferry field, offer encouragement
and affirm the prospective
potential that remains for independents
in the domestic, onshore scenario.
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