STUDY OF SPECIAL CONNECTION PERFORMANCE ON 88.9 MM DRILL STRING IN SLIM HOLE DRILLING
In slim hole sidetracking drilling,88. 9 mm diameter direct type drill pipe can effectively reduce the pressure loss along the path and increase the rock carrying,also can transfer torque effectively,rotary drilling to improve drilling efficiency. In order to meet the actual needs,improving the carr...
Saved in:
Main Authors: | , , , |
---|---|
Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Mechanical Strength
2017-01-01
|
Series: | Jixie qiangdu |
Subjects: | |
Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2017.06.036 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|