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Benthic Foraminiferal Litho-Biofacies Correlations and Enhanced Reservoir Characterization of Hydrocarbon Accumulations in Deep-Water Turbidite Strata: King Kong—Yosemite Field, Green Canyon Lease Area, Northern Gulf of Mexico

By
Richard H. Fillon
Richard H. Fillon
Earth Studies Associates 3730 Rue Nichole New Orleans, Louisiana 70131
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Eduardo A. Berendson
Eduardo A. Berendson
Eni Petroleum Co. 1201 Louisiana, Suite 3500 Houston, Texas 77002
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Fadjar M. Budhijanto
Fadjar M. Budhijanto
Paleo-Data, Inc. 6619 Fleur de Lis Drive New Orleans, Louisiana 70124
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Arthur S. Waterman
Arthur S. Waterman
Paleo-Data, Inc. 6619 Fleur de Lis Drive New Orleans, Louisiana 70124
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Published:
December 01, 2013

Abstract

An integrated stratigraphic study has been undertaken to provide the basis for constructing a detailed stratigraphic and geocellular model, which is essential for field simulation. As there are three structurally unrelated hydrocarbon accumulations in the King Kong–Yosemite area, detailed bio-, chrono- and litho-stratigraphic information is needed to clarify the depositional relationships. Regional accumulation rate studies suggest that strata contained in the three field structures developed within a single large linked depositional system that stretched from shelf-edge to basin in the early Pliocene.

The biostratigraphic portion of the investigation focused on identifying assemblages of foraminifera that live in, or are transported into the deep-water depositional environments of the northern Gulf and on recognizing key flooding surfaces. The interpretation of lithologically distinct litho-biofacies in eight well bores provided the basis for an enhanced reconstruction of the local depositional environments and sedimentary characteristics, including basic reservoir properties. In the study, displaced delta/delta front and distal prodeltaic outer shelf-upper slope litho-biofacies have been correlated in the King Kong wells, indicating a pattern of prograding and aggrading reservoir-prone debrites. The distribution of debrites defines submarine fan architecture and reservoir quality trends top-lapped by 3.72 Ma, 4.0 Ma, and 4.3 Ma third-order flooding surfaces.

Superposition of litho-biofacies observed in the King Kong well bores onto a 3D seismic traverse provided an enhanced integrated reservoir correlation, even suggesting the possibility of repeat reservoir section caused by ~100 ft of reverse throw on a regional detachment surface. The 4.0 Ma and 4.3 Ma flooding surfaces bound most of the reservoir section in the wells. The study determined that all King Kong reservoir intervals lie below the 3.72 Ma flooding event.

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GCSSEPM

Shelf Margin Deltas and Linked Down Slope Petroleum Systems–Global Significance and Future Exploration Potential

Harry H. Roberts
Harry H. Roberts
Houston, Texas
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Norman C. Rosen
Norman C. Rosen
Houston, Texas
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Richard H. Fillon
Richard H. Fillon
Houston, Texas
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John B. Anderson
John B. Anderson
Houston, Texas
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SEPM Society for Sedimentary Geology
Volume
23
ISBN electronic:
978-0-9836096-7-4
Publication date:
December 01, 2013

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