Journal
SYMMETRY-BASEL
Volume 12, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/sym12071122
Keywords
hydraulic fracturing; symmetry law; finite element method; Abacus software; internal fracture fluid pressure
Categories
Funding
- 2019 Anhui University Humanities And Social Science Research Key Project [SK2019A0526]
- 2017 Annual Outstanding Youth Backbone Talents Domestic Visiting Study Project of Higher Education Institution in Anhui province [gxfx2017127]
- Start Project of Scientific Research by Professors and Doctors of Suzhou University [2015JB11]
- Massive Open Online Courses (MOOC) of the Provincial Quality Project of Anhui Provincial Higher Education Institutions [2016mooc301]
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In this paper, influential parameters on the hydraulic fracturing processes in porous media were investigated. Besides, the simultaneous stimulation of solids, fluids and fractures geomechanical equations were numerically analyzed as a developed 3D model. To do this, the Abacus software was used as a multi-objective program to solve the physical-mechanical symmetry law governing equations, according to the finite element method. Two different layers, A (3104-2984 m) and B (4216-4326 m), are considered in the model. According to the result of this study, the maximum fracture opening length in the connection of the wall surface is 10 and 9 mm for layer B and layer A, respectively. Moreover, the internal fracture fluid pressure for layer B and layer A is 65 and 53 Mpa. It is indicated that fracture fluid pressure reduced with the increase in fracture propagation length. Consequently, the results of this study would be of benefit for petroleum industries to consider several crucial geomechanical characteristics in hydraulic fractures simultaneously as a developed numerical model for different formation layers to compare a comprehensive analysis between each layer.
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