18 July 2017

Horsepower (hp)

Is a rate of doing work (transferring energy) equivalent to lifting 33,000 pounds 1 foot per minute (33,000 ft-lb/min.). This is of course also 550 ft […]
18 July 2017

Horsepower, bit (mech)

Hydraulic HP bit, can mean either the horsepower required to rotate the bit (which for many conditions is virtually negligible as the power required to rotate […]
25 July 2017

Horsepower, rotary and torque

Torque may be expressed as tangential force (pounds) and lever arm (ft) or lb-ft. (It may also be expressed as pound inches). For any one revolution […]
18 July 2017

Hydraulic control manifold

The assemblage of regulators and hydraulic control valves used to operate the BOP and well pressure control valves. Normally part of the accumulator unit.