Energy-limiting factor for coal and gas outburst occurrence in intact coal seam
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DOI: 10.1016/j.ijmst.2021.05.009
Abstract: Abstract This research reviewed the mechanics and gas desorption properties of intact coal, and tested the crushing work ratios of different intact coals, and then, studied the stress conditions for the failure or crushing of… read more here.
Keywords: gas; crushing work; intact coal; energy ... See more keywords
Evolution of methane permeability and fracture structure of coal: implications for methane extraction in deep coal seams
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DOI: 10.1039/d2ra05811a
Abstract: A traditional view is that gas in the intact coal is easier to be extracted compared with tectonic coal after stress relief. With the increase in buried depth, however, the structure of coal and the… read more here.
Keywords: fracture; structure; tectonic coal; coal ... See more keywords