Thingking and utilization technology of coalbed methane in soft and low permeability coal seams in Huainan Mining Area [PDF]
, 2022 In order to solve the problems that restrict the efficient development of coalbed methane resources under the conditions of soft and low permeability outburst coal seams in Huainan Mining Area, such as complex coal seam structure, multi-source gas ...
Benliang CHEN +8 more
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Simulation investigation on spatial deflection of multiples fractures of multistage perforation clusters in hydraulic fracturing [PDF]
, 2023 The morphology of complex fracture network in hydraulic fracturing engineering in deep tight oil and gas reservoir is a crucial factor affecting oil and gas recovery, and it is necessary to accurately evaluate and optimize the fracture propagation ...
Hao WANG, Nana LIU, Yongliang WANG
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Mechanism and technical system of ground and underground combined drainage of CBM in “four region linkage” in coal mining area [PDF]
, 2022 In order to better realize the safe and efficient coordinated development of coal and CBM resources in high gassy mining areas, the four regions (planning region, preparation region, production region and coal mined-out region) linkage ground-underground
Changjiang JI +4 more
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Study on horizontal completion with composite tubular string in coal reservoir with complex coal structure [PDF]
, 2023 Aiming at the problems such as large deformation difference of coal structure, strong heterogeneity of physical properties, complex coal structure during horizontal drilling, single completion & stimulation technology and so on, a completion technology ...
Baoan XIAN +3 more
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Review and prospect of coal rock hydraulic fracturing physical experimental research [PDF]
, 2022 Physical simulation of hydraulic fracturing is an approximate representation of fracture evolution and its dynamic process, which represents an important direction of fracture evolution research.
Le LIU +8 more
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Progress and trend of key technologies of CBM development and utilization in China coal mine areas [PDF]
, 2022 The key to coordinated development of coal mine methane and coal is to coordinate the spatio-temporal relationship between coal mining and coal mine methane development.
Haitao SUN +3 more
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Disaster mechanism during passing of working face under overlying remnant coal pillar and advanced regional prevention technology [PDF]
, 2023 When the mining of the underlying working face of shallow and close seam passes under the overlying remnant coal pillar, it is easy to have an intensive mine pressure-induced dynamic disaster, resulting in personnel and equipment damage, which seriously ...
Bingang LI +7 more
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Key technology progress of surface extraction project deployment based on coordinated development of CBM and coal [PDF]
, 2022 The surface extraction of CBM in coal mine area has the multiple effects of improving the efficiency of safe coal mining, using CBM resource cleanly and reducing gas emission.
Jianlu CHAI +4 more
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Zhejiang Daxue xuebao. Lixue ban, 2022 走滑断裂分段叠置区通常包括拉分叠置区和挤压叠置区，其形成及演化与油气藏关系密切，其内部构造特征对油气运聚具有重要影响。塔里木盆地顺托果勒地区顺北1号断裂叠置区分段发育特征明显，油气勘探表明，拉分叠置区和挤压叠置区对油气运聚的控制能力有一定差异。在分析构造特征的基础上，对走滑断裂拉分叠置区和挤压叠置区开展了物理模拟实验研究，结果显示，拉分叠置区内发育有多组里德尔（R）剪切和压剪性（P）剪切，在叠置区内多组断裂组成一套平面范围较小、垂向断距较大的雁列地堑系统；挤压叠置区内仅发育一组R剪切 ...
LIUYujie(刘芋杰) +6 more
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Dizhen xuebao, 2021 本文利用雅鲁藏布江下游台阵的16个台站2016年度的近震数据，通过横波窗内的横波分裂测量，在各台站总计得到369个有效的横波分裂参数对，分析得出喜马拉雅东构造结上地壳各向异性特征。空间上，各台站的快波偏振优势方向整体上自西向东由近EW向，转为NE向，然后转向近NS或NNE向，最后转向NW向。大部分靠近或位于活动断裂带上的台站的快波偏振优势方向与断裂的走向一致，主要体现在墨竹工卡断裂上的ZOS台，雅鲁藏布江断裂上的WOL，NYG，ZIB和DOJ台站，墨脱断裂上的BEB和DEX台站，以及迫龙 ...
Kaiyue Wang, Lijun Chang, Zhifeng Ding
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