Results 91 to 100 of about 16,144,632 (222)

Design of pressure and temperature monitoring system of coalbed methane well

Gong-kuang zidonghua, 2015
In order to solve problems of existing pressure and temperature data collecting modes of coalbed methane well such as information island caused by manual collection, inability to collect data consecutively, water leakage of pressure sensor and ...
ZHOU Xing, KONG Shanyou, DING Enjie, SHEN Jian   +3 more
doaj   +1 more source

Regulatory and Legal Issues Respecting Coalbed Methane Development in British Columbia [PDF]

, 2008
This article examines the regulatory and legal issues surrrounding coalbed methane development in British Columbia. It discusses how regulators are responding to the challenges posed by the proliferation of coalbed methane development in the last decade,
Bois, Charles, Hansen, Sarah, Sarah Hansen, Charles Bois   +3 more
core   +1 more source

Optimization design of stress relief coalbed methane surface well in a high-gas mine

Frontiers in Earth Science
Coalbed methane drainage through surface wells has become increasingly important in high-gas mines. Surface wells are prone to different types of deformations and failures owing to mining-induced effects.
Junhui Fu, Guangcai Wen, Bichuan Zhang, Haitao Sun, Rifu Li, Jiaqi Liu   +5 more
doaj   +1 more source

Numerical well test for well with finite conductivity vertical fracture in coalbed

, 2011
A new model is developed for the hydraulic fractured well in coalbed, by considering the following aspects: methane desorption phenomena, finite conductivity vertical fracture, and asymmetry of the fracture about the well.
Liu YW(刘曰武), Fang HJ, Zhao PH(赵培华), Ouyang WP(欧阳伟平), Lu Q   +4 more
core   +2 more sources

Production Profile Evaluation of Coalbed Methane Wells in Bijie Pilot Area Based on Distributed Optical Fiber Sensing

Cejing jishu
Coalbed methane serves as a vital component of clean energy, and its efficient development encounters technical bottlenecks in the dynamic monitoring of production profiles.
Song Hongwei, Wang Mingxing, Nie Xin, Li Zhenhua   +3 more
doaj   +1 more source

Quantitative optimization of drainage strategy of coalbed methane well based on the dynamic behavior of coal reservoir permeability. [PDF]

Sci Rep, 2020
Yan X, Zhang S, Tang S, Li Z, Zhang Q, Wang J, Deng Z.   +6 more
europepmc   +1 more source

Key technologies for coordinated development of coalbed methane in inclined soft coal seam groups: a case study of Aiweigou Mining Area

Meitan kexue jishu
In order to clarify the key technologies for the coordinated development of coal and coalbed methane that are compatible with the mining conditions of inclined broken soft coal seams.
Yunpei LIANG, Shuancheng ZHU, Liang CHEN, Kun ZHAO, Dongling SUN, Jianjie CHEN, Bichuan ZHANG   +6 more
doaj   +1 more source

A Method of Quick and Safe Coal Uncovering by Hydraulic Fracturing in a Multibranch Radial Hole with a Coalbed Methane Well. [PDF]

ACS Omega, 2020
Li H, Liu Y, Wang W, Liu M, Liu J, Ma J, Gao H.   +6 more
europepmc   +1 more source

Methane drainage study in the Sunnyside coalbed, Utah [PDF]

"The Bureau of Mines is conducting research to determine the effectiveness of long holes in degasifying an area of the upper split of the lower Sunnyside coalbed at Kaiser SteelCompany's Sunnyside No. 1 mine. These holes were drilled from the two outside

core  

Comparative metagenomics of coalbed methane microbial communities reveals biogenic methane potential in the Appalachian Basin

, 2018
Natural gas is a major source of global energy, and a large fraction is generated in subsurface coalbed deposits. Microbial communities within coalbed deposits impact methane production, and as a result contribute to global carbon cycling. The process of
Kelvin B. Gregory, Daniel E. Ross, Daniel Lipus, Djuna Gulliver   +3 more
core   +1 more source