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Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed
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1975
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Series: Mining Publications
[PDF-1004.15 KB]
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Description:"This report describes a multipurpose borehole used for both degasification and the production of commercial-quality gas. The multipurpose borehole was drilled into a barrier pillar, and seven horizontal degasification holes and one pressure point hole were drilled radially out from its perimeter. This study indicates that horizontal boreholes drilled into a coalbed from the bottom of any shaft will effectively remove gas from the Pittsburgh coalbed." - NIOSHTIC-2
NIOSHTIC no. 10000665
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Pages in Document:14 numbered pages
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NIOSHTIC Number:10000665
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Resource Number:RI-8025
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