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Methane control in United States coal mines : 1972
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  1. Methane emission in coal mines : effects of oil and gas wells
    Personal Author:
    Zabetakis, Michael George, 1924-
    Corporate Author:
    United States. Bureau of Mines.
    Published:
    1972
    Series:
    Report of investigations (United States. Bureau of Mines) ; 7658
    Description:
    "The method of moving averages was found useful in assessing the nature of methane emission in coal mines. Emission rates were influenced markedly by the presence of abandoned oil and gas wells in the vicinity of the mine. Such wells appeared to incr...
    File Type:
    Filetype[PDF - 2.31 MB]
  2. Effect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed)
    Personal Author:
    Moore, T. D.; Zabetakis, Michael George, 1924-;
    Corporate Author:
    United States. Bureau of Mines.
    Published:
    1972
    Series:
    Report of investigations (United States. Bureau of Mines) ; 7657
    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 condi...
    File Type:
    Filetype[PDF - 2.44 MB]
  3. Methane control in Eastern U.S. coal mines : proceeding of the Symposium of the Bureau of Mines, Industry Technology Transfer Seminar, Morgantown, W. Va., May 30-31, 1973
    Corporate Author:
    United States. Bureau of Mines.
    Conference Author:
    Symposium of the Bureau of Mines, Industry Technology Transfer Seminar (1973 : Morgantown, W. Va.)
    Published:
    1993
    Series:
    Information circular (United States. Bureau of Mines) ; 8621
    Description:
    "Research workers from the Bureau of Mines and industry met with other government and industry representatives at the Mont Chateau Lodge, Morgantown, West Virginia, on May 30-31, 1973, to discuss the current status of methane control in eastern U.S. ...
    File Type:
    Filetype[PDF - 4.64 MB]
  4. Methane diffusion parameters for sized coal particles : a measuring apparatus and some preliminary results
    Personal Author:
    Bielicki, R. J.; Perkins, J. H.; Kissell, Fred N.;
    Corporate Author:
    United States. Bureau of Mines.
    Published:
    1972
    Description:
    "A sorption apparatus for measuring the equilibrium sorption isotherm and the rate of diffusion of methane from fine-sized coal was designed and constructed. Preliminary work that used Pittsburgh and Pocahontas No. 3 Coal shows that the diffusion coe...
    File Type:
    Filetype[PDF - 478.47 KB]
  5. Methane and dust control by water infusion : Pittsburgh coalbed (Fairview, W. Va.)
    Personal Author:
    Centinbas, Abdurrahman
    Corporate Author:
    United States. Bureau of Mines.
    Published:
    1972
    Series:
    Report of investigations (United States. Bureau of Mines) ; 7640
    Description:
    "The effect of water infusion on the flow of methane and on the production of dust was investigated at an active face in the Pittsburgh coalbed. The average total flow of methane at the face decreased by approximately 79 percent, whereas the flow fro...
    File Type:
    Filetype[PDF - 723.69 KB]