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Abstract


 
Chapter from: M 61: Basin Compartments and Seals 
Edited by 
Peter J. Ortoleva

Authors:
M. Maxwell and Peter J. Ortoleva

Methodology and Concepts

Published 1994 as part of Memoir 61
Copyright © 1994 The American Association of Petroleum Geologists.   All Rights Reserved.

 
Chapter 28

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Simulating the Development of a 
Three-Dimensional Basinwide Overpressured Compartment

M. Maxwell
Peter J. Ortoleva
Indiana University
Bloomington, Indiana, U.S.A.


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ABSTRACT

Basinwide overpressured compartments have been observed in the Anadarko and other basins. Results are presented on a mechano-chemical model of this phenomenon that illustrates how the imposed pattern of sedimentary features and faulting can produce such a three-dimensionally isolated compartment.

The model is based on the solution of equations describing pressure solution, stresses, conservation of pore fluid solutes, and the evolution of pore fluid pressure. The model accounts only for quartz chemistry; fluid overpressuring is solely through thermal expansion of the fluid and compaction.

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