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1 - The tectonic stress field

Published online by Cambridge University Press:  10 December 2009

Mark D. Zoback
Affiliation:
Stanford University, California
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Summary

My goals in writing this book are to establish basic principles, introduce practical experimental techniques and present illustrative examples of how the development of a comprehensive geomechanical model of a reservoir (and overlaying formations) provides a basis for addressing a wide range of problems that are encountered during the life-cycle of a hydrocarbon reservoir. These include questions that arise (i) during the exploration and assessment phase of reservoir development such as the prediction of pore pressure, hydrocarbon column heights and fault seal (or leakage) potential; (ii) during the development phase where engineers seek to optimize wellbore stability through determination of optimal well trajectories, casing set points and mud weights and geologists attempt to predict permeability anisotropy in fractured reservoirs; (iii) throughout the production phase of the reservoir that requires selection of optimal completion methodologies, the prediction of changes in reservoir performance during depletion and assessment of techniques, such as repeated hydraulic fracturing, to optimize total recovery; and (iv) during the secondary and tertiary recovery phases of reservoir development by optimizing processes such as water flooding and steam injection. Chapters 1–5 address basic principles related to the components of a comprehensive geomechanical model: the state of stress and pore pressure at depth, the constitutive laws that commonly describe rock deformation and fractures and faults in the formations of interest. Chapters 6–9 address wellbore failure and techniques for using observations of failure to constrain stress orientation and magnitude in wells of any orientation.

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Publisher: Cambridge University Press
Print publication year: 2007

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  • The tectonic stress field
  • Mark D. Zoback, Stanford University, California
  • Book: Reservoir Geomechanics
  • Online publication: 10 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511586477.002
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  • The tectonic stress field
  • Mark D. Zoback, Stanford University, California
  • Book: Reservoir Geomechanics
  • Online publication: 10 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511586477.002
Available formats
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Save book to Google Drive

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  • The tectonic stress field
  • Mark D. Zoback, Stanford University, California
  • Book: Reservoir Geomechanics
  • Online publication: 10 December 2009
  • Chapter DOI: https://doi.org/10.1017/CBO9780511586477.002
Available formats
×