Natural Coal Gas in West Virginia: GEOLOGICAL NOTES

Price, Asher

doi:10.1306/3d9335aa-16b1-11d7-8645000102c1865d

Cited by 4 publications

(2 citation statements)

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“…Sandstone channels/lenses. Sandstone paleochannel deposits or other lenticular sandstone deposits adjacent to mined coalbeds historically have been documented as gas reservoirs [Darton 1915;Price and Headlee 1943]. The gas may have been generated in situ from organic matter deposited with the sand, or it may have migrated to the paleochannel from subjacent coalbeds or other organic-rich rock strata.…”

Section: Detailed Mapping Of Geologic Features Can Assist In Predicti...mentioning

confidence: 99%

“…Geologic features such as faults have long been recognized as conduits for gas flow from strata adjacent to mined coalbeds [Moss 1927;Payman and Statham 1930]. Other features such as sandstone paleochannels, clay veins, and localized folding have also been recognized for their impact on gas emissions into mine work ings [Darton 1915;Price and Headlee 1943;McCulloch et al 1975;Ulery and Molinda 1984].…”

Section: Introductionmentioning

confidence: 99%

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Handbook for methane control in mining.

Kissell¹,

Diamond²,

Beiter³

et al. 2006

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The explosibility of methane gas mixtures 9 Effect of pressure and temperature on explosibility 9 Less common sources of methane ignitions 9 The amount of methane stored in coal 9 Forecasting the methane emission rate 9 Layering of methane at the mine roof 9 When the recirculation of mine air is hazardous 9 The importance of higher air velocity in preventing methane explosions and 9 Mine explosions, barometric pressure, and the seasonal trend in explosions Dealing with methane in mines and tunnels requires knowledge of the circumstances under which dangerous accumulations of methane are likely to occur. This knowledge involves the properties of the gas itself, an awareness of where these accumulations are likely to occur, and facts on how methane mixes safely into the mine air.Keep in mind that methane mixed with air cannot unmix to form a layer.Bakke P, Leach SJ, Slack A [1967]. On the general body concentration and other ventilation data as a measure of the average risk of ignition. Min Eng (U.K.) Aug:762-774.Bielicki RJ, Kissell FN [1974]. Statistical analysis of methane concentrations produced by incomplete mixing of methane and air at a model coal mine working face. Pittsburgh, PA:

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Section: Detailed Mapping Of Geologic Features Can Assist In Predicti...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%