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Outcrop characterization, 3-D Geological Modeling, and Upscaling for Reservoir Simulation of Jackfork Group Turbidites in the Hollywood Quarry, Arkansas, USA

By
J. Camilo Goyeneche
J. Camilo Goyeneche
1Total E&P USA, Inc., Houston, TX, USA;
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Roger M. Slatt
Roger M. Slatt
2School of Geology and Geophysics, The University of Oklahoma, Norman, OK, USA
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Alan J. Witten
Alan J. Witten
2School of Geology and Geophysics, The University of Oklahoma, Norman, OK, USA
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Roger A. Young
Roger A. Young
2School of Geology and Geophysics, The University of Oklahoma, Norman, OK, USA
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Published:
January 01, 2008

Abstract

A 3-D geological model was constructed from a 3-D outcrop for reservoir flow simulation that can address the effects of small-scale (subseismic), interwell heterogeneities on production in analog deep-water oil and gas reservoirs.

The dimensions of the Hollywood Quarry, Arkansas (Figure 1), are 380 x 250 x 25 m (1247 x 821 x 83 ft) (Figures 2, 3). The quarry exposes in 3-D the upper Jackfork Group turbidites, which ate often used as an outcrop analog for deep-water reservoirs in the Gulf of Mexico and elsewhere. A variety of turbidite facies are present: lenticular, channelized sandstones, pebbly sandstones, and conglomerates within shales (CI); laterally continuous, interbedded thin sandstones and shales (SI, S2); and thicker, laterally continuous shales (Ml, M2). Sandstone and shale beds are folded and cut by strike-slip faults with a vertical component. These combinations of structural elements and facies have resulted in a stratigraphic interval that is highly compartmentalized, both horizontally and vertically. The quarry is used here as an analog to a variety of subsurface reservoir types.

Techniques used to characterize the quarry include behind-outcrop coring, outcrop gamma-ray (GR) logging, measured stratigraphic sections, sequential photography of the quarry walls, Digital Orthophoto-Quadrangle (DOQ) mapping, Ground Penetrating Radar (GPR), Global Positioning System (GPS), shallow, high-resolution seismic reflection, and GPS laser-gun positioning of geologic features in 3-D space.

The west wall has been quarried back within 0.5 m (1.6 ft) of the first inline of an earlier 3-D GPR survey and coring operation. The

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Contents

AAPG Studies in Geology

Atlas of Deep-Water Outcrops

Tor H. Nilsen
Tor H. Nilsen
Desceased
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Roger D. Shew
Roger D. Shew
University of North Carolina
Wilmington, North Carolina
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Gary S. Steffens
Gary S. Steffens
Shell International E&P
Houston, Texas
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Joseph R. J. Studlick
Joseph R. J. Studlick
Maersk Oil America Inc.
Houston, Texas
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American Association of Petroleum Geologists
Volume
56
ISBN electronic:
9781629810331
Publication date:
January 01, 2008

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