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Methane migration characteristics of the Pocahontas No. 3 coalbeds.

Authors
Kissell-FN
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7649, 1972 Jan; :1-19
NIOSHTIC No.
10000607
Abstract
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.
Keywords
Mining-industry; Methane-control; Methane-drainage; Underground-mining; Coal-mining; Mine-ventilation; Mine-gases; Methanes; Explosive-gases; Explosive-atmospheres; Control-technology; Engineering-controls; Explosion-prevention; Explosive-hazards
CAS No.
74-82-8
Publication Date
19720101
Document Type
IH; Report of Investigations
Fiscal Year
1972
NTIS Accession No.
PB-211965
NTIS Price
A03
Identifying No.
RI-7649
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7649
State
PA
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