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Recent Underground Observations of Intercepted Hydraulic Stimulations in Coalbed Methane Drainage Wells.
Soc Min Eng AIME Preprint 85-335 1985 :11 pages
The Bureau of Mines has been investigating several techniques, including the use of horizontal and vertical boreholes, to remove gas from coal in advance of mining. This paper provides historical observations and general conclusions based on 19 intercepted stimulation treatments and detailed observations on 5 recent interceptions in the Upper Freeport coalbed, Pennsylvania, and the Lower Kittanning coalbed, West Virginia.
Soc. Min. Eng. AIME, Preprint 85-335, 1985, 11 Pp
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division