From Geologic Characterization to “Reservoir Simulation” of a Turbidite Outcrop, Arkansas, U.S.A.
R. M. Slatt, H. A. Al-Siyabi, C. W. VanKirk, R. W. Williams, 2000. "From Geologic Characterization to “Reservoir Simulation” of a Turbidite Outcrop, Arkansas, U.S.A.", Fine-Grained Turbidite Systems, Arnold H. Bouma, Charles G. Stone
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Detailed geologic mapping of the Pennsylvanian Jackfork Group turbidites in the DeGray Lake area of Arkansas has provided a 3-D geologic model of a mile-long, steeply dipping turbidite succession that is separated into east and west fault blocks by a zone of strike-slip faults. By scaling-up the stratigraphy into four reservoir zones and by choosing two topographic ground surface elevations to represent an unconformity top-seal and an oil-water contact, this outcrop can be considered a pseudoturbidite “reservoir,” amenable to production simulation.
“Reservoir” performance simulation was conducted in 3-D, three-phase black oil mode, using vertical- and horizontal-well drilling scenarios for both water drive and depletion drive cases. The results demonstrate the ability to perform simulation on an outcrop to visualize, directly examine, and, hence, better understand the geologic controls on the performance of analog oil and gas reservoirs.
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Fine-Grained Turbidite Systems
This Memoir covers one of the most important and active exploration reservoirs being pursued by geoscientists worldwide: fine-grained turbidite systems. 28 chapters show the results of an intense research effort in the 1990s that resulted from the discovery of large hydrocarbon accumulations in fine-grained turbidite systems in Brazil, the Gulf of Mexico, West Africa, and the North Sea. Industry and academia have joined together in this publication and the result is a unique opportunity to study these turbidite systems from the outcrop to the modeling; through the interpretation with 2-D and 3-D seismic data; to case histories and analog studies from Arkansas and Oklahoma, South and West Africa, Gulf of Mexico, west Texas, and New Zealand.