On an offshore drilling rig, the pumps which circulate drilling fluid through the drill string while drilling are called the ________.
A
circulation pumps
B
mud pumps
C
centrifugal pumps
D
mixing pumps
E
İlgili Sorular
According to regulations, how many B-II hand portable fire extinguishers are required in the cargo t...INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel wi...A revised print of a chart is made __________.An ideal mooring system would be _____________________.What is the Reid vapor pressure of allyl chloride?