Title :
rotary rig and its components
Publication :
Petroleum Extension Service, Division of Continuing Education, University of Texas at Austin
Collation :
(various p.): ill.; 28 cm
Series :
Rotary drilling series ; unit 1, lesson 1-9
Notes :
Published ... in cooperation with International Association of Drilling Contractors, Houston, Texas,Catalog no. 2.10140--T.p. verso
Subject :
Oil well drilling rigs,Rotary drilling
Holding Info. :
0886981662,0886981662,0886981662,0886981662,0886981662
