Results 101 to 110 of about 588,838 (198)

Evaluation of legacy coalbed methane resources and optimization of gas drainage zones within the Songzao mining area

open access: yesDiscover Applied Sciences
Legacy coalbed methane (CBM) extraction holds substantial significance in advancing resource development within closed mines, fostering unconventional clean energy production, and facilitating the optimization and transformation of mining regions.
Qiang Fu   +3 more
doaj   +1 more source

Methane emission rate studies in a northern West Virginia mine [PDF]

open access: yes
"Methane emission rates were studied in a Pittsburgh coalbed mine in northern West Virginia. A fullface boring-type continuous miner, equipped with a methane monitor, was used in the development of a set of eight main headings, one side of which was near

core  

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

open access: yesMeitan 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   +10 more
doaj   +1 more source

COALBED METHANE COMPREHENSIVE CHARACTERIZATION AND MODELING – BIG GEORGE COAL, POWDER RIVER BASIN, WYOMING [PDF]

open access: yes, 2019
Over the past two decades, coalbed methane (CBM) has become one of the major unconventional gas resources in the US, Canada, Australia, and other countries.
Mohamed, Tarek
core  

Measuring formation pressures and the degree of gas drainage in a large coalbed gas drainage field [PDF]

open access: yes
"The Bureau of Mines and United States Steel Corp. are conducting a joint project to monitor formation pressures at a large (23-well) coalbed gas drainage field near Oak Grove, Alabama.

core  

Removing methane (degasification) from the Pocahontas No. 4 coalbed in southern West Virginia [PDF]

open access: yes
"Tests were conducted in the Pocahontas No. 4 coalbed in southern West Virginia to determine if successful degasification techniques, developed during an earlier study in the Pittsburgh coalbed, would be effective in removing methane from those usually ...

core  

Methane control by isolation of a major coal panel : Pittsburgh coalbed [PDF]

open access: yes
"As one of its projects for degasification of major panels of coal prior to mining within them, the Bureau of Mines conducted methane emission studies during development of a set of three headings 1,800 feet in a major coal panel (2,700 by 3,500 feet ...

core  

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