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U.S. Department of Energy
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Cost comparison of gob hole and cross-measure borehole systems to control methane in gobs. Report of investigations/1988

Technical Report ·
OSTI ID:7059622
The capital investment and operating costs of two methane-control systems used during longwall mining operations are compared in the Bureau of Mines report. Costs are given for a surface gob hole drainage system and an underground cross-measure borehole drainage system to control methane gas in gobs in four coal mining areas-central Pennsylvania, northern West Virginia, southern Virginia, and northern Alabama. Present-worth analysis is used to determine the more cost-effective alternative in each location.
Research Organization:
Bureau of Mines, Pittsburgh, PA (USA). Pittsburgh Research Center
OSTI ID:
7059622
Report Number(s):
PB-88-229638/XAB; BM-RI-9151
Country of Publication:
United States
Language:
English