Results 111 to 120 of about 309,171 (269)

Optimization Design Method and Application of Nitrogen Horizontal Well Drilling Technology in Coalbed Methane Reservoirs

Energy Science & Engineering
Due to characteristics such as low permeability, low pressure, low gas saturation, low water content, and high structural stress, Yuwang coalbed methane (CBM) is prone to issues such as well leakage, coal sensitivity to water, and coal fines blockage ...
Hu Jiachen, Tan Zhanglong, Yang Fan, Hao Zhaobing, Yang Qi, Feng Lei, Wang Peng   +6 more
doaj   +1 more source

Development mechanism and practical significance of deep coalbed methane (coal rock gas) infiltration and displacement

Meitan xuebao
A pilot test on the horizontal well JS6-7P01 in the eastern margin of Ordos Basin achieved a significant breakthrough in the first large-scale hydraulic fracturing of deep coalbed methane (CBM, or coal-measure gas), promoting nationwide exploration and ...
Lihong ZHOU, Xia YAN, Hongtao LIU, Xianyue XIONG, Feng WANG, Shuguang LI, Jiyuan ZHANG, Chuanqing LIU, Xiong HU, Pu YUAN, Qianli MA, Xueguang ZHU   +11 more
doaj   +1 more source

Fracture Propagation Laws and Influencing Factors in Coal Reservoirs of the Baode Block, Ordos Basin

Energies
The expansion of hydraulic fractures in coalbed methane (CBM) reservoirs is key to effective stimulation, making it essential to understand fracture propagation and its influencing factors for efficient resource development.
Qingfeng Zhang, Yongchen Li, Ziling Li, Yanbin Yao, Fengfeng Du, Zebin Wang, Zhihao Tang, Wen Zhang, Shutong Wang   +8 more
doaj   +1 more source

Study on CRIP process of underground coal gasification coupled with high-power microwave heating

Meitan kexue jishu
The Controlled Retraction Injection Point (CRIP) process of underground coal gasification can mine in situ medium-deep coal resources efficiently and transform rich coal resources in China into strategic and scarce gas resources.
Tengze GE, Chuangye WANG, Meng LIU, Danlu LIU, Ersi GAO, Song WU, Shuxia YUAN, Yuguang FAN   +7 more
doaj   +1 more source

Primary geological characteristics, advances in exploration and production, and strategies of coalbed methane in South China

Meitian dizhi yu kantan
Objective and Methods South China contains abundant coalbed methane (CBM) resources from numerous, superimposed, thin coal seams, serving as a significant replacement for China’s CBM exploration and production in the future.
Tao GUO, Yatong ZHOU, Xiaobo JIN, Xiaokang GAO, Xingping PENG   +4 more
doaj   +1 more source

Five unconventional fuels: geology and environment [PDF]

, 2014
Unconventional fuels may present a viable partial replacement for conventional fossil fuel reservoirs (such as sandstone and limestone) in rocks onshore and offshore.
Stephenson, Michael H.
core  

Mineral Characterization and Gas Content Prediction of Coalbed Methane Reservoirs in the Junggar Basin Based on Full-Diameter CT Scanning

Yankuang ceshi
The complex mineral distribution, particularly clay minerals impacting reservoir sensitivity, poses a key challenge for optimizing development and preventing damage in the Junggar Basin's coalbed methane reservoirs.
Wenjie LI, Yunli WU, Xiaohu ZHU, Qiang ZHANG, Haoran LI, Lei XUE, Mingwei YAO, Lijuan WEN, Jinbiao WU, Guohui CHEN   +9 more
doaj   +1 more source

Mechanism and practice of post-fracturing soaking and pressure-controlled drainage in deep coalbed methane reservoirs

Meitan xuebao
Deep coalbed methane (also known as coalrock gas) has become a crucial growth driver for increasing natural gas production in China. Practical experience has proven that high-yield production of deep coalbed methane requires large-scale hydraulic ...
Lihong ZHOU, Xia YAN, Ming CHEN, Wei WANG, Jiyuan ZHANG, Zesong YIN, Qianli MA, Junyi SUN, Yiguang LI, Chunhu LI, Yanqing FENG   +10 more
doaj   +1 more source

Application validation and high-yield mechanism analysis of the desorption superposition effect method in Fukang block 8 based on well FS-24

Scientific Reports
Multi-seam combined production is crucial for enhancing single-well output in coalbed methane extraction. However, challenges persist in identifying the contribution of individual seams, predicting production capacity, and optimizing seam combinations ...
Li Wenjie, Wang Fengnian, Qiu Chenglong, Zhang Nan, Sang Xiaofei, Sun Hangyu   +5 more
doaj   +1 more source

Influence and sensitivity study of matrix shrinkage and swelling on enhanced coalbed methane production and CO2 sequestration with mixed gas injection [PDF]

, 2011
Orodu, Oyinkepreye D., Tang, Zhonghua, Yao, Guangqing, Zhou, Fengde   +3 more
core   +1 more source