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Mining Publication: Methane Migration Characteristics of the Pocahontas No. 3 Coalbed

January 1972

Image of publication Methane Migration Characteristics of the Pocahontas No. 3 Coalbed

Methane-flow and pressure data taken from a mine in the Pocahontas No. 3 Coalbed are compared with flow rates from lump coal obtained in laboratory experiments. From this, it is concluded that the main source of gas is the intact coalbed rather than a "crushed zone" near the working face. The permeability and sorption capacity of the intact coalbed are calculated and gas emission rates are theoretically accounted for.

Authors: FN Kissell

Report of InvestigationsJanuary - 1972

  • Adobe Acrobat - Portable Document Format (.PDF)

    0.70 MB

NIOSHTIC2 Number: 10000607

Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7649, 1972 Jan; :1-19

 
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