Poroelasticity considerations in In Situ stress determination by hydraulic fracturing

E. Detournay; A. H.D. Cheng; J. C. Roegiers; J. D. McLennan

doi:10.1016/0148-9062(89)91428-9

Poroelasticity considerations in In Situ stress determination by hydraulic fracturing

E. Detournay, A. H.D. Cheng, J. C. Roegiers, J. D. McLennan

Research output: Contribution to journal › Article › peer-review

87 Scopus citations

Abstract

The impact of poroelasticity effects on the fracture closure pressure p_foc, breakdown pressure p_b, and reopening pressure p_re, and their influence on the interpretation of in situ stress are reviewed in this paper. Using solutions of a borehole and a fracture in an infinite poroelastic domain, it is shown that: (i) the breakdown pressure can be significantly higher than the elastic prediction (valid for impermeable rock); and (ii) the fracture closure pressure is generally larger than the far-field normal stress, the difference being dependent on the injection time.

Original language	English (US)
Pages (from-to)	507-513
Number of pages	7
Journal	International Journal of Rock Mechanics and Mining Sciences and
Volume	26
Issue number	6
DOIs	https://doi.org/10.1016/0148-9062(89)91428-9
State	Published - Dec 1989
Externally published	Yes

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AB - The impact of poroelasticity effects on the fracture closure pressure pfoc, breakdown pressure pb, and reopening pressure pre, and their influence on the interpretation of in situ stress are reviewed in this paper. Using solutions of a borehole and a fracture in an infinite poroelastic domain, it is shown that: (i) the breakdown pressure can be significantly higher than the elastic prediction (valid for impermeable rock); and (ii) the fracture closure pressure is generally larger than the far-field normal stress, the difference being dependent on the injection time.

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Poroelasticity considerations in In Situ stress determination by hydraulic fracturing

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