Rotary drilling techniques used in the Beckley coalbed
By: by Tobias W. Goodman.
Series: Report of investigations ;; 9238; Report of investigations (United States. Bureau of Mines) ;; 9238.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1989
Place of publication: Pittsburgh, PA
Language: eng
Number of pages: 11
Subjects: Coalbed methane drainage -- West Virginia -- Rotary drilling.
Other titles: Beckley coalbed.
Notes: Bibliography: p. 11.