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Heng Li and Bingxiang Huang
Water is a weakly compressible fluid medium. Due to its low compressibility, it is usually assumed that water is an incompressible fluid. However, if there are high-pressure pulse waves in water, the compressibility of the water medium needs to be consid...
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Shuyin Ma, Jianjun Cao, Qinghua Zhang and Sheng Xue
In order to study the influence law of gas desorption accumulation and emission characteristics under hydraulic fracturing, this experiment uses coal-rock adsorption?desorption test equipment to carry out isothermal desorption tests of water-bearing coal...
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Elena V. Novikova, Mariia A. Trimonova, Sergey B. Turuntaev, Evgeny V. Zenchenko and Petr E. Zenchenko
This work presents an analysis of data obtained through unique laboratory experiments on hydraulic fracturing. In the experiments, sufficiently large artificial samples were used to model a reservoir. Thus, it was possible to simulate several wells simul...
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Shuaifang Guo, Yunxing Cao, Li Wang, Xinsheng Zhang, Wenying Zhang, Haixiao Lin, Zhengzheng Cao and Bingbing Meng
Confining stress response is considered an accompanying behavior of hydraulic fracturing. Along these lines, an evaluation model of confining stress response was presented in this work. It was established on a rock representative volume element (RVE) and...
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Hong Li, Kun Ji, Ye Tao and Chun?an Tang
On the basis of a conceptual model for an Excavation based Enhanced Geothermal System (EGS-E), which proposed to extract heat from Hot Dry Rock at depth through dominantly adopting shaft, roadways, and caved rock failure techniques but not depending on e...
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Nediljka Gaurina-Medimurec, Vladislav Brkic, Matko Topolovec and Petar Mijic
Hydraulic fracturing operations are performed to enhance well performance and to achieve economic success from improved production rates and the ultimate reserve recovery. To achieve these goals, fracturing fluid is pumped into the well at rates and pres...
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Johanne Klee, Arezki Chabani, Béatrice A. Ledésert, Sébastien Potel, Ronan L. Hébert and Ghislain Trullenque
Fracture connectivity within fractured granitic basement geothermal reservoirs is an important factor controlling their permeability. This study aims to improve the understanding of fluid?rock interaction processes at low to moderate regional strain. The...
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Chengyu Huang, Wenhua Wang and Weizhong Li
A 2D computational fluid dynamics (CFD) model in consideration of nucleation characteristics (homogeneous/heterogeneous nucleation) using the volume of fluid (VOF) method and Lee model was proposed. The model was used to predict the process of a multipha...
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Zhaolong Ge, Jianyu Zhong, Jianguo Zhang, Yingwei Wang, Youchang Lvu and Sai Zhang
Slotting directional hydraulic fracturing is a new method for improving permeability of a coal seam in underground coal mines that can solve problems related to non-uniform permeability enhancement in the seam. A slotting nozzle is the key to this techno...
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The object of the paper is the prediction of flowback fluid composition at a laboratory scale, for which a new approach is described. The authors define leaching as a flowback fluid generation related to the shale processing. In the first step shale rock...
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