21

Advisory board

Year:
1993
Language:
english
File:
PDF, 100 KB
english, 1993
29

Analysis of Acoustic Propagation Characteristic of Near-Bit Drill Tools

Year:
2012
Language:
english
File:
PDF, 332 KB
english, 2012
36

The Research of the Magnetic Guidance Prototype

Year:
2014
Language:
english
File:
PDF, 293 KB
english, 2014
39

Magnetic Guidance Drilling Technology

Year:
2014
Language:
english
File:
PDF, 233 KB
english, 2014
41

Magnetic Guidance Drilling Technology Field Test

Year:
2014
Language:
english
File:
PDF, 330 KB
english, 2014