Results 101 to 110 of about 2,636,818 (211)
Removing methane (degasification) from the Pittsburgh coalbed in northern West Virginia [PDF]
"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 ...
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Research on Wellbore Stability Prediction of Deep Coalbed Methane Under Multifactor Influences
Applied SciencesTo address the problem of wellbore instability in the development of deep coalbed methane reservoirs in Daniudi gas field, this study takes the coal seam cores from Member 1 of the Taiyuan Formation at a depth of approximately 2880 m as the research object.
Xugang Liu +5 more
openaire +1 more source
Iraqi Journal of Chemical and Petroleum EngineeringGiven the significant differences in gas accumulation modes, coal reservoir characteristics, and gas preservation conditions for ultra-deep coalbed methane (vertical depth > 3000 m, measured depth > 5000 m), their production characteristics, flowback
Zhao Zhengyan +4 more
doaj +1 more source
Current status and development trends of deep coalbed methane research in China
Shiyou shiyan dizhiDeep coalbed methane (CBM) possesses enormous resource potential and is essential for increasing unconventional natural gas reserves and production on a large scale in China. To understand the current status of CBM research and development in China, systematic retrieval and classification of deep CBM-related publications are conducted using the China ...
Wei JU +6 more
openaire +1 more source
Deep coalbed methane resource and its exploration and development prospect in East China
Youqicang pingjia yu kaifa, 2023 Deep coalbed methane（CBM） development in East China is of great significance to ensure regional energy demand, optimize regional energy structure and realize the dual carbon goal. Based on the systematic investigation and previous works, the current situations of CBM extraction in East China were summarized, and the gas-bearing attributes and resources
openaire +1 more source
Coalbed methane in Wyoming (second revision)
, 2004 Coalbed methane in Wyoming (second ...
R.M. Lyman (10071331) +3 more
core +1 more source
Methane in deep sea hydrothermal plumes. Development of a new in-situ methane sensing technology
, 2008 Information on the concentration and distribution of dissolved methane (CH4), together with other geochemical tracers, in real time is of great value in detecting, monitoring, and understanding the functioning of hydrothermal plumes.
Boulart, Cedric
core +1 more source
Methane and dust controls for longwalls : Pocahontas no.3 coalbed, Grundy, Virginia [PDF]
"The periphery of longwall panels in the Pocahontas No. 3 Coalbed is characterized by a zone of reduced permeability that inhibits the natural drainage of methane. A residual gas pressure of 105 psig was measured after 1 year in an isolated block of coal
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Scientific ReportsThe Upper Carboniferous Benxi Formation in the Ordos Basin contains thick coal layers, showing good potential for deep coalbed methane exploration.
Yaxuan Zhang +7 more
doaj +1 more source
Degasification of the Mary Lee Coalbed, Brookwood, Ala. [PDF]
"The Bureau of Mines has developed several techniques for draining methane from coalbeds in advance of mining. Drilling long horizontal holes from an underground location is one such technique, which was successfully demonstrated in the Pittsburgh and ...
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