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Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa.

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

Site-specific and regional geologic considerations for coalbed gas drainage

Effects of stimulation treatments on coalbeds and surrounding strata :evidence from underground observations

Published Year

• 1970-1979 (1)
• 1980-1989 (3)

Subject

• Boring (4) *
• Coalbed methane drainage (2)
• Coal mines and mining (1)
• Coal mines and mining--Safety measures (1)
• Coal mines and mining--United States--Safety measures (1)
• Coal--Geology--United States (1)
• Methane (1)
• Mine gases (1)
• Mine ventilation (1)

Author

• Diamond, W. P. (4) *
• Oyler, David C. (2)
• Fields, H. H. (1)
• Oyler, David C., (1)

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