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INTRASLOPE BASIN RESERVOIRS DEPOSITED BY GRAVITY-DRIVEN PROCESSES: SOUTH SHIP SHOAL AND EWING BANKS AREAS, OFFSHORE LOUISIANA

By
JOHN M. ARMENTROUT
JOHN M. ARMENTROUT
Mobil Oil Corporation 13777 Midway Road Dallas, Texas 75244-4390
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STEVE J. MALECEK
STEVE J. MALECEK
Mobil Oil Corporation 13777 Midway Road Dallas, Texas 75244-4390
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VINOD R. MATHUR
VINOD R. MATHUR
Mobil Oil Corporation 13777 Midway Road Dallas, Texas 75244-4390
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GARY L. NEUDER
GARY L. NEUDER
Mobil Oil Corporation 13777 Midway Road Dallas, Texas 75244-4390
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GERRY M. RAGAN
GERRY M. RAGAN
Mobil Oil Corporation 13777 Midway Road Dallas, Texas 75244-4390
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Published:
December 01, 1996

ABSTRACT

The methodology of seismic-facies analysis is illustrated for a Pliocene-Pleistocene lowstand depositional system in South Ship Shoal and Ewing Banks areas, offshore Louisiana. Sequence stratigraphy and seismic-facies analysis were used to assess the results of six existing wells and formulate recommendations for additional wells. A sedimentologic model, based on log and sidewall core calibration of seismic facies, was used to predict both lithofacies and hydrocarbon occurrence in undrilled areas. Three new wells drilled in 1987 confirmed both sedimentologic and hydrocarbon predictions with the drilling of 100 percent mudstone sections in two wells, and the presence of hydrocarbon bearing sandstones within a synclinal area of OCS Block Ewing Bank 988.

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Contents

GCSSEPM

Stratigraphic Analysis Utilizing Advanced Geophysical, Wireline and Borehole Technology for Petroleum Exploration and Production

Jory A. Pacht
Jory A. Pacht
Seis-Strat Servies, Inc. Sugar Land, Texas
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Robert E. Sheriff
Robert E. Sheriff
University of Houston Houston, Texas
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Bob F. Perkins
Bob F. Perkins
GCSSEPM Foundation West Hartland, Connecticut
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SEPM Society for Sedimentary Geology
Volume
17
ISBN electronic:
978-0-9836097-6-6
Publication date:
December 01, 1996

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