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Book Chapter

Importance of Shales and Mudrocks in Oil and Gas Exploration and Reservoir Development

By
Roger M. Slatt
Roger M. Slatt
School of Geology & Geophysics, University of Oklahoma, 110 East Boyd St., Norman, Oklahoma 73011
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Published:
January 01, 2003

Abstract

Shales and mudrocks are important to all aspects of hydrocarbon exploration and production. They commonly form source and seal rocks, and in some areas they are important reservoir rocks. In reservoir development, they may control production performance by compartmentalizing or baffling reservoir sandstones. Often, significant shales are beneath seismic resolution or detection limits, so their significance is unrecognized during early field development. Shale stochastic modeling is a useful technique for predicting production performance in reservoirs where shales and mudrocks are present. Future research should be directed toward (1) understanding why shales and mudrocks vary in their capacity to seal or compartmentalize strata, (2) developing recognition criteria to differentiate various shale types, and (3) enhancing their detection on seismic reflection records.

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SEPM Miscellaneous Publication

Siltstones, Mudstones and Shales: Depositional Processes and Characteristics

Erik D. Scott
Erik D. Scott
Shell International Exploration & Production, 200 North Dairy Ashford, Houston, Texas 77079
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Arnold H. Bouma
Arnold H. Bouma
Dept. of Geology & Geophysics, Louisiana State University, Baton Rouge, Louisiana 70803
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William R. Bryant
William R. Bryant
Dept. of Oceanography, Texas A&M University, College Station, Texas 77843
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SEPM Society for Sedimentary Geology
Volume
1
ISBN electronic:
9781565760943
Publication date:
January 01, 2003

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