Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Degasification of virgin Pittsburgh coalbed through a large borehole

Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed

Degasification and production of natural gas from an air shaft in the Pittsburgh coalbed

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

Published Year

• 1970-1979 (4)

Subject

• Mine gases (4) *
• Mine ventilation (2)
• Natural gas (2)
• Boring (1)
• Coal mines and mining (1)
• Coalbed methane drainage--West Virginia (1)

Author

• Fields, H. H. (4) *
• Cervik, Joseph, (1)
• Deul, Maurice, (1)
• Diamond, W. P. (1)
• Goodman, Tobias W., (1)
• Oyler, David C., (1)
• Perry, John H., (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010