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National Institute for Occupational Safety and Health National Institute for Occupational Safety and Health
National Institute for Occupational Safety and Health

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    Boring. (13)
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  • Electromagnetic technique for locating boreholes
    Filetype[PDF - 737.93 KB]
    Personal Author:
    Sacks, H. Kenneth.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1978
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8302
    Report of investigations (United States. Bureau of Mines) ; 8308
    Description:
    "The Bureau of Mines has developed hardware for electromagnetic (EM) detection and location of miners trapped in underground coal mines. This report d...
    File Type:
    Filetype[PDF - 737.93 KB]
    File Type:
    Filetype[PDF - 737.93 KB]
  • Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)
    Filetype[PDF - 2.34 MB]
    Personal Author:
    Campoli, A. A. (Alan A.) ; Cervik, Joseph. ; ...
    Corporate Authors:
    United States. Bureau of Mines. ; Franklin Institute (Philadelphia, Pa.). Research Laboratories. ;
    Published Date:
    1983
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8841
    Description:
    "The U.S. Bureau of Mines evaluated the physical properties of ceramic particulate composites made from titanium nitride (tin), alumina (al2o3), and a...
    File Type:
    Filetype[PDF - 2.34 MB]
    File Type:
    Filetype[PDF - 2.34 MB]
  • Methane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)
    Filetype[PDF - 1.16 MB]
    Personal Author:
    Garcia, F. (Fred) ; Cervik, Joseph. ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1985
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8985
    Description:
    "The cross-measure borehole technique has been shown by the Bureau of Mines to be an effective method of controlling methane liberated by fracturing t...
    File Type:
    Filetype[PDF - 1.16 MB]
    File Type:
    Filetype[PDF - 1.16 MB]
  • Horizontal trajectories of rotary-drilled holes
    Filetype[PDF - 554.81 KB]
    Personal Author:
    Goodman, Tobias W. ; Cervik, Joseph ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1988
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9177
    Description:
    "This Bureau of Mines report investigates the horizontal trajectory of boreholes drilled in coalbeds using the rotary drilling technique. Test holes d...
    File Type:
    Filetype[PDF - 554.81 KB]
    File Type:
    Filetype[PDF - 554.81 KB]
  • Comparisons between cross-measure boreholes and surface gob holes
    Filetype[PDF - 1.13 MB]
    Personal Author:
    Goodman, Tobias W. ; Cervik, Joseph. ;
    Corporate Authors:
    United States Bureau of Mines.
    Published Date:
    1986
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9013
    Description:
    "The Bureau of Mines conducted studies to compare the effectiveness of the cross-measure borehole system with that of surface gob holes on two success...
    File Type:
    Filetype[PDF - 1.13 MB]
    File Type:
    Filetype[PDF - 1.13 MB]
  • Evaluation of water-jet-assisted drilling with handheld drills
    Filetype[PDF - 9.15 MB]
    Personal Author:
    Kovscek, P. D. (Paul D.) ; Taylor, Charles D. (Charles Darrell), 1946- ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1988
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9174
    Description:
    "The Bureau of Mines has tested a low-thrust water-jet-assisted rotary drill. This work was performed to evaluate the performance of a water-jet-assis...
    File Type:
    Filetype[PDF - 9.15 MB]
    File Type:
    Filetype[PDF - 9.15 MB]
  • Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa.
    Filetype[PDF - 1013.12 KB]
    Personal Author:
    Diamond, W. P. (William P.) ; Oyler, David C. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1977
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8231
    Description:
    "A 3-inch pilot hole was directionally drilled to intercept the freeport coalbed horizon horizontally at Mather, Pennsylvania, as part of a Bureau of ...
    File Type:
    Filetype[PDF - 1013.12 KB]
    File Type:
    Filetype[PDF - 1013.12 KB]
  • Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal
    Filetype[PDF - 2.35 MB]
    Personal Author:
    Kravits, S. J. (Stephen J.) ; Sainato, Albert. ; ...
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1985
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8933
    Description:
    "This Bureau of Mines report describes and compares the procedures, capital investments, and operating costs of rotary and in-hole motor drilling tech...
    File Type:
    Filetype[PDF - 2.35 MB]
    File Type:
    Filetype[PDF - 2.35 MB]
  • In-mine test of the Bureau of Mines preproduction wireless survey system
    Filetype[PDF - 2.49 MB]
    Personal Author:
    Kravits, S. J. (Stephen J.) ; Millhiser, John. ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1990
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9291
    Description:
    "The Bureau of Mines preproduction wireless survey system (WSS) and its performance during an in-mine test are discussed in this report. The wss was d...
    File Type:
    Filetype[PDF - 2.49 MB]
    File Type:
    Filetype[PDF - 2.49 MB]
  • Cableless electronic surveying system for horizontal holes : final report
    Filetype[PDF - 6.32 MB]
    Personal Author:
    McLaughlin, Dennis B. ; Millhiser, John. ; ...
    Corporate Authors:
    United States. Bureau of Mines. ; Pittsburgh Mining and Safety Research Center. ; ...
    Published Date:
    March, 1981
    Series:
    Open file report (United States. Bureau of Mines) ; 14-82
    File Type:
    Filetype[PDF - 6.32 MB]
    File Type:
    Filetype[PDF - 6.32 MB]
  • Drilling a horizontal coalbed methane drainage system from a directional surface borehole
    Filetype[PDF - 6.20 MB]
    Personal Author:
    Oyler, David C. ; Diamond, W. P. (William P.) ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1982
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8640
    Description:
    "Three long horizontal holes were drilled from a directionally drilled surface hole at the Emerald Mine near Waynesburg, Pennsylvania. The purpose was...
    File Type:
    Filetype[PDF - 6.20 MB]
    File Type:
    Filetype[PDF - 6.20 MB]
  • Effect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed)
    Filetype[PDF - 2.44 MB]
    Personal Author:
    Moore, T. D. ; Zabetakis, Michael George, 1924- ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    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 Poca...
    File Type:
    Filetype[PDF - 2.44 MB]
    File Type:
    Filetype[PDF - 2.44 MB]
  • Borehole location system concept demonstration tests : final report
    Filetype[PDF - 4.71 MB]
    Personal Author:
    Moore, T. C. ; Rorden, L. H. ; ...
    Corporate Authors:
    DEVELCO, Inc. ; United States. Bureau of Mines. Branch of Procurement. ;
    Published Date:
    May 5, 1978
    Series:
    Open file report (United States. Bureau of Mines) ; 28-82
    File Type:
    Filetype[PDF - 4.71 MB]
    File Type:
    Filetype[PDF - 4.71 MB]