Deck : Deck General - 3197/5076 |
---|
« Previous Question |
The heavy three-, four-, or six-sided length of pipe suspended from the swivel through the rotary table and connected to the topmost joint of drill pipe to turn the drill stem as the rotary table turns is called the __________. |
A) swivel |
B) bail |
C) cock |
D) kelly |
loading answer...
Comments |
---|
There are no comments for this question. |