Lessons in rotary drilling. unit I lesson 3. the drill string.
Lessons in rotary drilling. unit I lesson 3. the drill string.
Texas : Petroleum Extension Service,. 1981.
English
Text
vii, 40 hlm., ilus., 28 cm.
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 622.24 Pet l-I-3)