Lessons in rotary drilling. Unit II Lesson 3. drilling a straight hole.
Lessons in rotary drilling. Unit II Lesson 3. drilling a straight hole.
Texas : Petroleum Extension Service (PETEX),. 1968.
English
Text
vi, 45 hlm., ilus., 28 cm
Perpustakaan PEM Akamigas DIGITAL LIBRARY PEM AKAMIGAS (Call Number: 622.24 Pet l-II-3.)