The rotary rig and its components
By: by K.R. Bork.
Contributors: University of Texas at Austin. Petroleum Extension Service.; International Association of Drilling Contractors.
Edition: 4th ed.
Series: Rotary drilling series ;; unit 1, lesson 1
Publisher: Petroleum Extension Service, Division of Continuing Education, University of Texas at Austin
Published: 1995
Place of publication: Austin, Tex
Language: eng
Number of pages: 116
Subjects: Oil well drilling rigs.; Rotary drilling.
Other titles: Rotary rig
Notes: "Published ... in cooperation with International Association of Drilling Contractors, Houston, Texas."
"Catalog no. 2.10140"--T.p. verso.