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
kelly
D
cock
E
İlgili Sorular
The holding power of an anchor at a given scope of cable increases when the __________.BOTH INTERNATIONAL & INLAND Your vessel is stopped and making no way, but is not in any way disabled...What is the principle behind dynamic braking as used on an §anchor windlass?All of the following are part of the fire triangle EXCEPT ___________.BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?