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Book Chapter

Evaluating Fault Compartmentalization by Integrating Geologic, Geophysical and Engineering Data: A Case Study from South America

By
Rodrigo Bastidas Cortes
Rodrigo Bastidas Cortes
School of Geology and Geophysics and Sarkeys Energy Center University of Oklahoma Current address: Marathon Oil Co.
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Daniel J. O’Meara
Daniel J. O’Meara
School of Geology and Geophysics and Sarkeys Energy Center University of Oklahoma Halliburton Digital & Consulting Solutions
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Roger M. Slatt
Roger M. Slatt
School of Geology and Geophysics and Sarkeys Energy Center University of Oklahoma
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Published:
December 01, 2006

Abstract

A set of seismic, well log, core, petrophysical, and well test data was integrated to construct a 3D geological model for reservoir characterization and later performance simulation. The model was initially built to address the unexpected performance of a single well. This well was designed as a water injector but produced sufficient oil to be deemed a producing well. The model explained the reason for this unexpected behavior—the reservoir was compartmentalized into fifteen fault blocks, many of which were not in mutual communication. Also, individual fault blocks were stratigraphically compartmentalized. The case for compartmentalization was built upon analysis of log-derived Leverett J-Functions and petrophysical and well data, all within the context of a 3D geological model constructed in GoCadTM.

This case study serves as an example of the value of integrating available data to develop a 3D geological model which can address short-term production issues, broader performance issues, and infill drilling opportunities, all of which may be affected by compartmentalization.

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Contents

GCSSEPM

Reservoir Characterization: Integrating Technology and Business Practices

Roger M. Slatt
Roger M. Slatt
Houston, Texas
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Norman c. Rosen
Norman c. Rosen
Houston, Texas
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Michael Bowman
Michael Bowman
Houston, Texas
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John Castagna
John Castagna
Houston, Texas
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Timothy Good
Timothy Good
Houston, Texas
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Robert Loucks
Robert Loucks
Houston, Texas
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Rebecca Latimer
Rebecca Latimer
Houston, Texas
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Mark Scheihing
Mark Scheihing
Houston, Texas
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Hu Smith
Hu Smith
Houston, Texas
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SEPM Society for Sedimentary Geology
Volume
26
ISBN electronic:
978-0-9836096-4-3
Publication date:
December 01, 2006

GeoRef

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