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Simulating hydraulic fracturing using finite-discrete element method (FDEM): Effects of pre-existing joints and lateral stress gradient

Abstract : This paper presents a numerical simulation study of hydraulic fracturing, by combining continuum and discontinuum approaches using a finite-discrete element method (FDEM). Calculated results are consistent with analytical results and exhibit many empirical features of hydraulic fracturing, although our solutions rarely exhibit a simple bi-wing fracture geometry. The effects of pre-existing joints at and around the wellbore on fracture topology and treatment pressure are investigated. Furthermore, the effect of lateral stresses due to pre-existing joints around and close to the wellbore is investigated, by including fractures with an asymmetric geometry that do not intersect the wellbore.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-02460792
Contributor : Murad Abuaisha <>
Submitted on : Thursday, January 30, 2020 - 12:01:26 PM
Last modification on : Tuesday, April 7, 2020 - 1:51:15 AM

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Murad S. Abuaisha, David Eaton, Jeffrey Priest, Ron Wong. Simulating hydraulic fracturing using finite-discrete element method (FDEM): Effects of pre-existing joints and lateral stress gradient. Geoconvention 2016, Mar 2016, Calgary, Canada. ⟨hal-02460792⟩

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