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This article is cited in 1 scientific paper (total in 1 paper)
Computational mathematics
Sensitivity of the pressure decline curve during the hydraulic fracturing to poroelastic effects
E. V. Lgotinaab, A. N. Baykinba, S. V. Golovinba, A. M. Krivtsovc a Novosibirsk State University
1, Pirogova st.,
Novosibirsk, 630090, Russia
b Lavrenyev Institute of Hydrodynamics,
pr. Lavrentyeva, 15,
630090, Novosibirsk, Russia
c Peter the Great St.Petersburg Polytechnic University,
29, Politekhnicheskaya st., Gidrotekhnicheskij korp. 1,
1, Gidrotekhnicheskij korp.,
Saint Petersburg, 195251, Russia
Abstract:
Computer simulators of hydraulic fracturing rely on known
physical properties of the reservoir, in particular, the leak-off coefficient
and the confining in situ stress. This information can be obtained from
the solution of the inverse problem by analyzing of the pressure decline
curve (PDC) in pump-in/shut-in tests. The goal of the present work is
to demonstrate that poroelastic effect can have significant influence on
the behavior of the PDC and, hence, to results of its analysis.
For computer simulations we use the mathematical model of the hydraulic fracture in poroelastic medium developed in [6]. We investigate the
dependence of the PDC on the closure stress and of the rock permeability.
It is shown that classical methods for interpretation of PDC can lead to
a significant error, in particular, in estimation of the minimal in situ
confining stress.
Keywords:
hydraulic fracture, mathematical modeling, pressure decline curve, poroelastic effects.
Received October 28, 2018, published December 26, 2018
Citation:
E. V. Lgotina, A. N. Baykin, S. V. Golovin, A. M. Krivtsov, “Sensitivity of the pressure decline curve during the hydraulic fracturing to poroelastic effects”, Sib. Èlektron. Mat. Izv., 15 (2018), 1735–1742
Linking options:
https://www.mathnet.ru/eng/semr1034 https://www.mathnet.ru/eng/semr/v15/p1735
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Abstract page: | 332 | Full-text PDF : | 191 | References: | 32 |
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