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Zhu Li, Chengen Qi, Rui Gao, Bin Yu, Yiran Zhu, Hong Zhang and Jingyu Zhang
Fracturing hard roofs by ground hydraulic action is an important control technology for the strong mine pressure in the stope. In this paper, a new simulation method, ?separate + interface,? is proposed, and two physical simulation experiments are conduc...
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Liming Zhang, Xingyu Zhou, Jijia Sun, Peiyin Jiang, Zhihao Lu and Cheng Cheng
The stimulated reservoir volume (SRV) technology extends conventional fracturing technology. Understanding how to effectively and accurately determine modified fracture shape and volume is the key point to evaluating the stimulation effect. Using electro...
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Xingyi Wang, Xin Chang, Yun Jiang, Yintong Guo and Kai Wei
After hydraulic fracturing, the geometric characteristics of rock morphology is a crucial means for evaluating the effectiveness of fracture stimulation in enhancing production. In order to quantitatively analyze the surface undulations of marine and con...
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Dong Lin, Yuhuan Bu, Changyou Xiang, Chang Lu, Huajie Liu and Shenglai Guo
The decomposition of hydrates can cause serious sand production and collapse problems, hindering the long-term effective production of hydrates. This study proposes a theory for framework reconstruction and reinforcement for deep-water hydrate layers bas...
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Daming Zhang, Hui Zhao and Gang Li
Because of the problem that the size of a coal pillar is difficult to determine and it is easy to waste coal resources, taking the Sangou Xindu coal industry as the engineering background, this paper examined the roof cutting and pressure relief technolo...
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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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Shaojie Zuo, Zhaolong Ge, Zhe Zhou, Li Wang and Hanyun Zhao
Extraction of gas (coalbed methane) produces clean energy and can ensure that coal mines maintain high-efficiency production. The currently available coal seam permeability enhancing technologies and modes have certain application restrictions. Therefore...
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Chen Chen, Lin Yang, Rui Jia, Youhong Sun, Wei Guo, Yong Chen and Xitong Li
Natural gas hydrate (NGH) concentrations hold large reserves of relatively pure unconventional natural gases, consisting mainly of methane. Depressurization is emerging as the optimum conversion technology for converting NGH in its reservoir to its const...
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Tiankui Guo, Zhanqing Qu, Facheng Gong and Xiaozhi Wang
Conventional hydraulic fracturing is not effective in target oil development zones with available wellbores located in the azimuth of the non-maximum horizontal in-situ stress. To some extent, we think that the radial hydraulic jet drilling has the funct...
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Yusong Wu, Xiao Li, Jianming He and Bo Zheng
With the exploitation of shale gas booming all over the world, more and more studies are focused on the core technology, hydraulic fracturing, to improve commercial exploitation. Shale gas resources in China are enormous. In this research, a series of te...
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