Directional Drilling for Coalbed Degasification C. D. Messelt Published: 1979 Total Pages: 600 Get eBook
Directional Drilling for Coalbed Degasification David C. Oyler Published: 1979 Total Pages: 24 Get eBook
Economic Evaluation of Directional Drilling for Methane Drainage from Coalbeds Published: 1984 Total Pages: 20 Get eBook
Drilling a Horizontal Coalbed Methane Drainage System from a Directional Surface Borehole David C. Oyler Published: 1982 Total Pages: 60 Get eBook
Directionally Controlled Drilling to Horizontally Intercept Selected Strata, Upper Freeport Coalbed, Green County, Pa William P. Diamond Published: 1977 Total Pages: 32 Get eBook
Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine Alexander May Published: 1982 Total Pages: 490 Get eBook
Preliminary Studies on the Dewatering of Coal-clay Waste Slurries Using a Flocculant Jalna R. Zatko Published: 1982 Total Pages: 464 Get eBook
Minerals, Health, and Safety In-house Research, Development, and Demonstration in Fiscal Year 1980 United States. Bureau of Mines. Division of Minerals Health and Safety Technology Published: 1980 Total Pages: 42 Get eBook
