The rig and its maintenance : a home study course /

Bibliographic Details

Corporate Authors:	International Association of Drilling Contractors, University of Texas at Austin. Petroleum Extension Service
Format:	Book
Language:	English
Published:	Austin : The University, 1965-80 (1978-1980 printing)
Series:	Lessons in rotary drilling ; unit 1.
Subjects:	Oil well drilling rigs. Bits (Drilling and boring) Oil hydraulic machinery.