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RESEARCH PAPERS

An Approximate Rock Stress Field for Steady Flow Into Production Casing

[+] Author and Article Information
E. P. Fahrenthold

Department of Mechanical Engineering, University of Texas, Austin, Tex. 78712

J. B. Cheatham

Department of MEMS, Rice University, Houston, Tex. 77251

J. Energy Resour. Technol 108(2), 116-119 (Jun 01, 1986) (4 pages) doi:10.1115/1.3231250 History: Received June 10, 1985; Revised December 19, 1985; Online October 22, 2009

Abstract

An uncoupled poroelasticity analysis of steady flow into a fixed cylindrical cavity in a porous medium gives an approximate solution for the stress field around a production casing. As compared to the open well bore case, the order of the principal stresses is inverted and larger values of the well pressure drawdown are required to initiate yielding of the porous rock. The solution quantifies the maximum formation support available from a production liner.

Copyright © 1986 by ASME
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