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368 RESERVOIR COMPACTION, SUBSIDENCE AND WELL DAMAGE

Figure 11.21 Bending stress that produces permanent bending in two sizes of tubing.

Acknowledgements
This chapter is based on the article “Field scale and wellbore modeling of
compaction-induced casing failures,” which appeared in the June 1999 edition of
the journal SPE Drilling and Completion. The author acknowledges the
contributions of the co-authors of the original publication, Robert L.Gwinn and
Tom A.Moroney of Aera Energy, LLC, and Greg L.Deitrick of Shell
International Exploration & Production, Inc. The author also wishes to thank the
management of Exponent Failure Analysis Associates, Inc., Aera Energy, LLC,
and Shell E&P Technology Company for their permission to publish these
results.

References
1 Jaeger, J.C. and Cook, N.G.W., Fundamentals of Rock Mechanics, 3rd Edition,
Chapman and Hall, New York, 1979.
2 Cook, N.G.W., The Jaeger Memorial Lecture: Natural Joints in Rock, Int. J. Rock
Mech. Sci. & Geomech. Abstr., 29, 198–223, 1992.
3 Rudnicki, J.W., “Effect of pore fluid diffusion on deformation and failure of rock,”
Mechanics of Geomaterials, Bazant, Z. (ed.), John Wiley, 1985.