Comparison of rotary and in-hole motor techniques for drilling horizontal boreholes in coal
By: by S.J. Kravits, A. Sainato, and G.L. Finfinger.
Contributors: Sainato, Albert.; Finfinger, Gerald L.
Series: Report of investigations ;; 8933; Report of investigations (United States. Bureau of Mines) ;; 8933.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1985
Place of publication: [Avondale, Md.]
Language: eng
Number of pages: 31
Subjects: Coalbed methane drainage -- Pennsylvania.; Boring.; Mine ventilation.
Notes: Bibliography: p. 19.