Results 81 to 90 of about 2,665,111 (174)

Differences in geological conditions of deep and shallow coalbed methane and their formation mechanisms

Deep coalbed methane (CBM) boasts abundant resources and great potential for exploitation. However, there is a lack of in-depth studies on the internal connections between deep and shallow CBM.
Hao, XU, Shu, TAO, Shida, CHEN, Dazhen, TANG, Peng, ZONG, Shuling, TANG, Song, LI, Yu, DONG   +7 more
core   +1 more source

Characteristics of occurrence and distribution rule of deep coalbed methane in supercritical state

Meitan kexue jishu
Deep Coalbed methane(CBM) has become an important direction for gas storage and production, but its original occurrence state of adsorbed gas and free gas and distribution law under different geological conditions are unclear, which restricts the ...
Lihong ZHOU, Xia YAN, Xianyue XIONG, Feng WANG, Wenchao LIU, Yuejie YANG, Zhaobiao YANG, Yanqing FENG   +7 more
doaj   +1 more source

Enhancement of Biogenic Coalbed Methane Production and Back Injection of Coalbed Methane Co-Produced Water

, 2007
Biogenic methane is a common constituent in deep subsurface environments such as coalbeds and oil shale beds. Coalbed methane (CBM) makes significant contributions to world natural gas industry and CBM production continues to increase.
Jin, Song
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Industrial development of coalbed methane exploitation in China: A 30-year retrospective and future prospects

Meitian dizhi yu kantan
BackgroundThe founding of China United Coalbed Methane Corp., Ltd. in 1996 signals the entry of the coalbed methane (CBM) exploitation in China into the industrial development stage.
Shangzhi MENG, Yong LI, Yong QIN, Guofu LI, Shuheng TANG, Fengyin XU, Yanbin WANG, Shouren ZHANG, Cong ZHANG   +8 more
doaj   +1 more source

Mathematical Modeling and Simulation on the Stimulation Interactions in Coalbed Methane Thermal Recovery

, 2019
Heat stimulation of coalbed methane (CBM) reservoirs has remarkable promotion to gas desorption that enhances gas recovery. However, coalbed deformation, methane delivery and heat transport interplay each other during the stimulation process.
Pengfei Chen, Teng Teng, Xiang He, Yingheng Wang   +3 more
core   +1 more source

Ecological Marks for Coalbed Methane Gas (CBM) Reservoir at Damodar River Basin

, 2017
Coalbed methane is formed by geological or biological process in coal seams, which offers significant environmental benefits over other fossil fuel. Ecosystem/biological study is more susceptible to exploration for CBM/Natural gases reservoir but there ...
Selvi, V.A., Masto, R.E.
core   +1 more source

Strategic layout and optimization paths of the standard system for the exploration and exploitation of deep coalbed methane

Meitian dizhi yu kantan
ObjectiveIn China, the deep coalbed methane (CBM) industry has emerged as a key sector for the reserve growth and production addition of natural gas. However, the current CBM technical standard system, which was developed based on shallow CBM practices ...
Xinjun CHEN, Zengqin LIU, Baojian SHEN, Shihu ZHAO, Jincheng YE, Jiaqi ZHANG, Tianyun WANG   +6 more
doaj   +1 more source

Review and Outlook of Pore Structure Characteristics and Flow Mechanisms in Deep Coalbed Methane Reservoirs: Advances and Perspectives

The pore structure characteristics of deep coalbed methane reservoirs are complex, and the microscale and nanoscale effects are obvious in the development of coalbed methane reservoirs.
Li, Ning, Wang, Xinyi, Zhang, Zirui, Yang, Xu, Shen, Weijun, Chen, Hongchuan   +5 more
core   +2 more sources

The composition of coalbed gas [PDF]

"Samples of gas were obtained directly from the coalbed during drilling of horizontal and vertical boreholes in six different formations. The samples were analyzed by gas chromatography for C1 to C5 hydrocarbons and for 02, N2, H2, He, and CO2.

core  

Practice and understanding of deep coalbed methane massive hydraulic fracturing in Shenfu Block, Ordos Basin

Meitan xuebao
The proven geological reserves of the Shenfu deep coalbed methane (CBM) field on the eastern margin of the Ordos Basin exceed 100 billion cubic meters.
Qi AN, Fan YANG, Ruiyue YANG, Zhongwei HUANG, Gensheng LI, Yanjin GONG, Wei YU   +6 more
doaj   +1 more source