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Drilling a horizontal coalbed methane drainage system from a directional surface borehole

Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)

Probe-hole drilling :high-stress detection in coal

Published Year

• 1980-1989 (3)

Subject

• Boring (3) *
• Coal mines and mining--Safety measures (3) *
• Coalbed methane drainage (1)
• Firedamp (1)
• Mine ventilation (1)
• Rock bursts (1)

Author

• Campoli, A. A. (1)
• Cervik, Joseph. (1)
• Diamond, W. P. (1)
• Haramy, Khamis Y. (1)
• McDonnell, John P. (1)
• Oyler, David C. (1)
• Schatzel, Steven J. (1)

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