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2016/4
Fracture reorientation in horizontal wells with multistage hydraulic fracturing
Geosciences

Authors: Regina D. KANEVSKAYA graduated from Gubkin Russian State University of Oil and Gas in 1983. She is Professor, Head of the Department of Applied Mathematics and Computer Modeling of Gubkin Russian State University (National Research University) of Oil and Gas. She is author more than 100 scientific works, including 3 monographs. She has prepared 6 Ph.D students. E-mail: pmkm2014@yandex.ru
Andrei A. PIMENOV graduated from Gubkin Russain State University of Oil and Gas in 2012. He completed graduate studies at the Department of Applied Mathematics and Computer Modeling at Gubkin State University of Oil and Gas 2012-2015. He is leading engineer of the Dept. of Oilfields Development at OOO „BashNIPIneft”. E-mail: Andrej_pimenov@mail.ru

Abstract: geomechanical problem of determining the stress-strain state of the formation with hydraulic fractures is described. An algorithm for solving this problem based on the displacement discontinuity method, allowing to consider in detail both the hydraulic fracture, and natural fractures in the formation is proposed. The stress-strain state is calculated for the reservoir in the vicinity of horizontal well borehole with multistage hydraulic fracturing. The conditions when the reorientation of cracks multistage hydraulic fracturing is possible are determined. Hydrodynamic simulations allowing to estimate the production of horizontal wells with multi-stage fracturing with different wellbore and fracture system configuration are performed

Index UDK: 51.72; 622.276.66

Keywords: geomechanical model, multistage hydraulic fracturing, hydraulic fracture reorientation, stress-strain state of reservoir, displacement discontinuity method

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