Results 21 to 30 of about 24,090 (252)
Energies, 2023 As one of the crucial factors contributing to coal spontaneous combustion, the oxidation of pyrite is a complex process involving multiple reactions, particularly in the presence of oxidants (Fe3+ and O2) and bacteria. However, experimental results based
Mengya Ma +3 more
doaj +1 more source
Applied Sciences, 2022 To solve the bottleneck problem of low deep coal seam permeability and difficult coalbed methane (CBM) mining. Combining hydraulic splitting technology and directional drilling technology, a directional hydraulic splitting enhancement method of deep CBM mining was proposed.
Jiayong Zhang +4 more
openaire +2 more sources
Solute Concentrations Influence Microbial Methanogenesis in Coal-bearing Strata of the Cherokee Basin, USA [PDF]
, 2015 Microorganisms have contributed significantly to subsurface energy resources by converting organic matter in hydrocarbon reservoirs into methane, the main component of natural gas.
Brien H Wilson +6 more
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Design and Application of Fluid Pump Drainage Gas Recovery Technology in Dongsheng Gas Field
Shiyou jixieTo effectively address the bottleneck problems of high injection pressure and high energy consumption of hydraulic jet pump technology， it is urgent to improve and optimize the drainage gas recovery technology of high water-production gas wells.
Zhou Ruili +6 more
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Montana Bureau of Mines and Geology [PDF]
The Montana Bureau of Mines and Geology is the principal source of earth science information for the citizens of Montana. The bureau provides extensive advisory, technical, and informational services on geologic, mineral, energy, and water resources in ...
core +2 more sources
Balancing Hydraulic Fracturing’s Environmental and Economic Impacts: The Need for a Comprehensive Federal Baseline and the Provision of Local Rights [PDF]
, 2013 Reliable evaluation methods is needed to ensure that investments in energy conservation measures (ECMs) and the construction of new energy efficient buildings lives up to the promised and expected performance.
Garmezy, Adam
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Documented international enquiry on solid sedimentary fossil fuels; Coal: definitions, classifications, reserves-resources and energy potential [PDF]
, 2002 This paper deals with all solid sedimentary fossil fuels, i.e. coal, the main one for geological reserves and resources, peat, and oil shales. Definitions of coal ( < 50% ash) and coal seam (thickness and depth limits) are examined in view of an ...
Alpern, B., Lemos de Sousa, M. J.
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Influence of tight sandstone gas in roof on gas production in deep coalbed methane wells: A case study of Shenfu block in Ordos Basin [PDF]
Youqicang pingjia yu kaifaIn the Shenfu block located on the eastern margin of the Ordos Basin, the deep coal seam is intimately interlayered with the tight sandstone layer. During the development of deep coalbed methane, a notable phenomenon has been observed whereby tight ...
WANG XIAODONG +8 more
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Meitan kexue jishuZhijin Block has drilled over 50 wells, conducting research and tests on various well types, commingled horizons, and fracturing methods. The proven geological reserves of coalbed methane (CBM) in the Zhucang Sub-syncline are 113×108 m3, making it one of
Xipeng HE +7 more
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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 +9 more
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