Effect of a Surface Borehole on Longwall Gob Degasification (Pocahontas No. 3 Coalbed)
Public Domain
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01/01/1972
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Description:The use of a partially slotted 6.5-Inch-inside-diameter vertical pipe to remove methane from a longwall gob area at a depth of 2,260 feet in the Pocahontas No. 3 Coalbed was investigated. The value of gas removed by such a pipe under free-flow condition...
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NIOSHTIC Number:nn:na
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Main Document Checksum:urn:sha-512:f2968b5cd3fa8d23f86768d8791165936592a74634b4f1c83ad57d64eb3cd7350ca3cd66e9300311f91180fd9432b9bd8d5953fdbc51fe1a808cf07f6b11d855
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