Drilling Industry Glossary
back off
balanced cement plug
barite
BBL or bbl
bent sub
bill of lading
bit hydraulic horsepower
bit size
blowout
blowout preventer stack
BML
bottomhole
bottomhole assembly
bottomhole plug
bottomhole pressure (BHP)
buckling
Bent Sub
A short cylindrical device installed in the drill pipe between the drill collar and a downhole motor.
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