The connected joints of pipe, usually made of three joints of pipe approximately 90 feet long, racked in the derrick when making a trip are called a ___________.
A
string
B
stand
C
joint
D
standpipe
E
İlgili Sorular
Inferior conjunction is possible for __________.Especially in adverse weather, risk of collision with an offshore supply vessel increases when the v...BOTH INTERNATIONAL & INLAND A 200-meter vessel restricted in her ability to maneuver, at anchor, wil...A first magnitude star is __________.Which statement about radio navigational warnings is TRUE?