Results 11 to 20 of about 1,026 (173)

Challenges and development direction of deep fragmented soft coalbed methane in China

Earth Energy Science
Yiyu Lu, Yunzhong Jia, Jiren Tang
exaly   +2 more sources

Design and Application of Fluid Pump Drainage Gas Recovery Technology in Dongsheng Gas Field

Shiyou jixie
To effectively address the bottleneck problems of high injection pressure and high energy consumption of hydraulic jet pump technology， it is urgent to improve and optimize the drainage gas recovery technology of high water-production gas wells.
Zhou Ruili, Luo Yi, Qiao Qianyu, Wu Weiran, Yang Feishan, Zhao Rundong, Xue Zhaoyang   +6 more
doaj   +1 more source

Influence of tight sandstone gas in roof on gas production in deep coalbed methane wells: A case study of Shenfu block in Ordos Basin [PDF]

Youqicang pingjia yu kaifa
In the Shenfu block located on the eastern margin of the Ordos Basin, the deep coal seam is intimately interlayered with the tight sandstone layer. During the development of deep coalbed methane, a notable phenomenon has been observed whereby tight ...
WANG XIAODONG, WANG YUCHUAN, LIANG XIAOLEI, KANG LIFANG, CHAO WEIWEI, LIU SHIQI, HUANG FANSHENG, WANG WENKAI, LIANG YU   +8 more
doaj   +2 more sources

Geological characteristics and key technologies for exploration and development of coalbed methane in Zhijin Block of Guizhou Province

Meitan kexue jishu
Zhijin Block has drilled over 50 wells, conducting research and tests on various well types, commingled horizons, and fracturing methods. The proven geological reserves of coalbed methane (CBM) in the Zhucang Sub-syncline are 113×108 m3, making it one of
Xipeng HE, Tao GUO, Yuqiao GAO, Yatong ZHOU, Kening HAN, Xiao CAI, Chao LI, Cui XIAO   +7 more
doaj   +1 more source

Hydrological characters of coal reservoir and their significances on coalbed methane development: A review

Meitan kexue jishu, 2023
The development of coalbed methane resources in China has broad prospects, and the evolution process of coalbed water and its transportation law has important impacts on coalbed methane production capacity.
Xinyue ZHAO, Bo WEI, Liang YUAN, Yanyan GE, Yong HU, Xin LI, Maomao WANG, Chao JIA, SHAN Mayila·AI, Jijun TIAN   +9 more
doaj   +1 more source

Geological characteristics and main enrichment controlling factors of coalbed methane in Nanchuan area, southeastern Sichuan Basin

Shiyou shiyan dizhi
A significant strategic breakthrough has been achieved in the exploration of deep coalbed methane (CBM) in the Upper Permian Longtan Formation in the Nanchuan area, southeastern Sichuan Basin, showing promising exploration potential for CBM in this area.
Xipeng HE, Kaiming WANG, Wei LUO, Yuqiao GAO, Nana LIU, Tao GUO, Yatong ZHOU, Didi WU   +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

The status and development strategy of coalbed methane industry in China

Petroleum Exploration and Development, 2023
To achieve the goals of carbon peaking and carbon neutrality under the backgrounds of poor resource endowments, weak theoretical basis and other factors, the development of the coalbed methane industry of China faces many bottlenecks and challenges. This
Fengyin XU, Wei HOU, Xianyue XIONG, Borui XU, Peng WU, Hongya WANG, Kun FENG, Jian YUN, Shuguang LI, Lei ZHANG, Xia YAN, Huijun FANG, Qian LU, Delei MAO   +13 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

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

Deep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang, Farui Shi, Jun Lu, Minghui Li, Cunbao Li, Heping Xie   +5 more
wiley   +1 more source