Results 11 to 20 of about 16,144,632 (222)

Study on the Influence of Deep Coalbed Methane Horizontal Well Deployment Orientation on Production

Energies
The development of deep coalbed methane has become an important way to obtain natural gas in China. The development of deep CBM mainly depends on horizontal well technology.
Ruyong Feng, Chen Li, Lichun Sun, Jian Wang, Jia Liu, Na Li   +5 more
doaj   +2 more sources

Geomechanical Estimation of the Influence of Horizontal Coalbed Methane Well Design on Coal Seam Permeability [PDF]

E3S Web of Conferences, 2019
The paper presents a method of choosing the design of horizontal coalbed methane well by estimation of a coal seam permeability on the results of one-dimensional and two-dimensional geomechanical modeling.
Shevtsov Aleksandr, Khyamyalyaynen Veniamin   +1 more
doaj   +2 more sources

Mechanism and applicability of increasing coalbed methane well production by pre-positioned acid fracturing

, 2021
Mechanism and applicability of increasing coalbed methane well production by pre-positioned acid ...
Yao, FAN
core   +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

Thingking and utilization technology of coalbed methane in soft and low permeability coal seams in Huainan Mining Area

Meitan kexue jishu, 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 ...
Xiangxi KONG, Yongzhi TANG, Ping LI, Chuanbing WANG, Jian CHEN, Yanqing LI, Benqing YUAN, Benliang CHEN, Min YE   +8 more
doaj   +1 more source

Microbial diversity and biogenic methane potential of a thermogenic-gas coal mine [PDF]

, 2014
The microbial communities and biogenic methane potential of a gas coal mine were investigated by cultivation-independent and cultivation-dependent approaches.
Wei, Min, Yu, Zhisheng, Zhang, Hongxun, Jiang, Zheng   +3 more
core   +1 more source

A new fracture permeability model of CBM reservoir with high-dip angle in the southern Junggar Basin, NW China

Energy Exploration & Exploitation, 2019
Predicting the permeability of coalbed methane (CBM) reservoirs is significant for coalbed methane exploration and coalbed methane development. In this work, a new fracture permeability model of coalbed methane reservoir with high-dip angle in the ...
Shiyu Yang, Yidong Cai, Ren Wei, Yingfang Zhou   +3 more
doaj   +1 more source

A Method to Evaluated Gas Content with Coalbed Methane Reservoir Based on Adsorption Theory and Production Analysis

Geofluids, 2022
In the process of coalbed methane development, the gas content not only determines the reserves of methane in coal reservoir but also is the most important geological parameter affecting the production of coalbed methane.
Ruyong Feng
doaj   +1 more source

Research on dynamic simulation of coordinated development of coalbed methane and coal in typical mining areas

Gong-kuang zidonghua, 2020
In view of problem that traditional methods is difficult to show coordinated development process of coalbed methane and coal, a new 3D dynamic simulation idea was proposed.
XU Hualong
doaj   +1 more source

Construction and application of workover priority evaluation model for surface coalbed methane low production wells based on Entropy-TOPSIS

Frontiers in Energy Research
Affected by geology and mining, a certain number of low-yield wells will appear after a period of production in coalbed methane wells, and technical repairs are urgently needed to restore their production capacity to the maximum.
Yanhe Li, Lin Zhu, Runsheng Lv, Runsheng Lv, Xiaoming Ni   +4 more
doaj   +1 more source