Geertsma's subsidence solution extended to layered stratigraphy

Amin Mehrabian, Younane N. Abousleiman

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

This paper presents closed-form analytical solutions for the stress and deformation outside and inside a porous layer embedded within elastic strata of dissimilar mechanical properties and subjected to pore pressure disturbances due to fluid extraction or injection. Previous solutions for axisymmetric pore pressure reduction in a homogenous half-space (Geertsma, 1973a; Segall, 1992) are recovered as special cases of current study. In particular, practical implications of the proposed solution, such as surface deformation, reservoir compaction, and depletion/injection-induced stress redistribution are reevaluated under the relaxed assumptions made in this study. It is shown that obtained results can be generalized to the case of multilayered strata.

Original languageEnglish (US)
Pages (from-to)68-76
Number of pages9
JournalJournal of Petroleum Science and Engineering
Volume130
DOIs
StatePublished - Jun 1 2015

All Science Journal Classification (ASJC) codes

  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology

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