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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: The Deep Shelf
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- A Bright Future without
Bright Spots
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- A Bright Future without
Bright SpotsBy
Senior Vice President,
El Paso Production Company
The Deep Shelf
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in the Gulf of Mexico represents the logical
evolution of exploration in a world-class basin. Once obvious
salt-related features were exploited, evolving seismic technology
created an HCI-driven exploration effort utilizing closely spaced
2-D and then regional 3-D coverage to illuminate low-risk "anomalies."
The method was effective but required little in the way of
insightful geologic analysis. After years of diligent effort, the waning
availability of shallow "anomalies," decreasing reserve sizes, and
increasing decline rates have caused exploratory attention to shift
to the deeper, predominantly Miocene section. This new exploration
venue has tremendous potential but its prosecution requires
a higher level of geoscience integration coupled with state-of-the-art
drilling technology. Successful exploration of this trend
demands careful attention to regional
geology
: documenting
depositional fairways and
structural
timing. The necessity of reliable
seismic imaging requires rigorous re-processing of surface
seismic and the integration of borehole seismic for a scalable interpretation.
Prospect analysis and risking techniques are the key to
creating a deep shelf portfolio that will generate consistent results
and provide the opportunity for "company maker" discoveries.
The confluence of high gas prices, advanced technology, and a
prospect trend rich in potential and covered with infrastructure
creates an opportunity set unique in our careers.
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