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Mining Publication: Use of a Sodium Silicate Gel Grout for Plugging Horizontal Methane-Drainage Holes

January 1984

Image of publication Use of a Sodium Silicate Gel Grout for Plugging Horizontal Methane-Drainage Holes

Methane-drainage holes must be completely filled by grout before mining to prevent the emission of large quantities of gas during mine-through, which would constitute an explosion hazard. In November 1980, seven horizontal holes at the multipurpose borehole, a small-diameter shaft drilled as a Bureau of Mines coalbed methane-drainage installation on the property of the Federal No. 2 Mine, Monongalia County, West Virginia, were plugged using a sodium silicate gel grout. This report describes the grout mix and the use of the grout at the multipurpose borehole, and discusses the results observed upon mine-through of the holes in early 1981. Cost data for the sodium silicate grout are also presented.

Authors: DC Oyler

Report of InvestigationsJanuary - 1984

  • Adobe Acrobat - Portable Document Format (.PDF)

    2.80 MB

NIOSHTIC2 Number: 10003298

Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8843; 1984 Jan; :1-20

 
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