Drilling Industry Glossary
back off
balanced cement plug
barite
BBL or bbl
bent sub
bill of lading (B/L)
bit
bit hydraulic horsepower
bit size
blowout
blowout preventer (BOP)
blowout preventer stack
BML
bottomhole
bottomhole assembly
bottomhole plug
bottomhole pressure (BHP)
breakout
bring in a well
buckling
Bit Hydraulic Horsepower
Bit hydraulic horsepower is a measure of the energy per unit of time that is being expended across the bit nozzles. It is calculated with the equation HHP=Delta P*Q/1714, where Delta P (psi) stands for pressure drop across nozzles, Q (gpm) stands for flow rate.
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