Model for simulating hydromechanical responses in aquifers to induced hydraulic stresses: Laboratory investigation and model validation
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- 作者：Yaqiang Weia ; yakiwei@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Yanhui Donga ; b ; dongyh@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Pengpeng Zhoua ; zhoupengpeng@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Liheng Wanga ; wangliheng@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Groundwater ; Hydromechanical ; Numerical modeling ; Laboratory experiments ; Shale gas
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：30
- 期：Complete
- 页码：592-603
- 全文大小：3074 K
文摘
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Hydraulic pressure and permeability will change in upper aquifer during flow injection in shale gas production.
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Different induced hydraulic stresses create variable hydraulic pressures and permeabilities, which are quantified.
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An Experimental device is developed to investigate the hydromechanical effect of the induced hydraulic stresses.
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The coupled hydromechanical model produces better numerical results compared to the single hydraulic model.
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A higher injection pressure is found to increase the permeability of the upper layer.