Pore structure characteristics of low-rank coal reservoirs with different ash yields and their implications for recoverability of coalbed methane-a case study from the Erlian Basin, northeastern China

Pores are the main accumulation sites and migration pathways for coalbed methane (also referred to as CBM). Pore structure restricts the content and recoverability of CBM from coal reservoirs. In this study, 12 representative coal samples with different ash yields that have similar tectonic characte...

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Veröffentlicht in:	Frontiers of earth science 2023-03, Vol.17 (1), p.18-29
Hauptverfasser:	DONG, Dawei, YANG, Jiaosheng, HU, Qiujia, CUI, Shitao, SUN, Fenjin, ZHANG, Jidong, CUI, Xinrui
Format:	Artikel
Sprache:	eng
Schlagworte:	adsorption ash Ashes basins Brittleness case studies China Coal coal reservoir Coalbed methane Computed tomography Earth and Environmental Science Earth Sciences Electron microscopes Erlian Basin Low temperature Magnetic resonance Methane micro-computed tomography NMR Nuclear magnetic resonance nuclear magnetic resonance spectroscopy pore structure Pores Porosity Recoverability Reflectance Research Article Reservoirs Saturation Scanning electron microscopy Tectonics Tomography Yield
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