A large valve, usually installed above the ram preventers, that forms a seal in the annular space between the pipe and wellbore or, if no pipe is present, on the wellbore itself is called the ____________.
A
annular blowout preventer
B
annulus
C
accumulator
D
automatic choke
E
İlgili Sorular
A claim for cargo damages may be held against the ship owner if such damage is the result of failure...Life floats must be equipped with _______________________. §(small passenger vessel regulations)Every injury aboard a commercial fishing industry vessel must be reported to the __________.You are sailing in a strong wind and may accidentally jibe when _______________.You have completed the magnetic compass adjustments on magnetic east and magnetic south. The vessel...