The blocks and drilling line
By: by L.D. Davis.
Edition: 3rd ed.
Series: Rotary drilling series ;; unit 1, lesson 5
Publisher: Petroleum Extension Service; International Association of Drilling Contractors
Published: 1996
Place of publication: Austin, Tex; Houston, Tex
Language: eng
Number of pages: 142
Subjects: Oil well drilling -- Equipment and supplies.; Pulleys.; Wire rope.