Methodological framework that studies and implements the practical aspects of protecting the environment and maintaining health and safety at occupation.

1) an arrangement of pulleys and wire rope or chain used for lifting heavy objects; a winch or similar device. 2) the drawworks. v. To raise […]

The large flanged spool in the drawworks on which the hoisting cable is wound. See drawworks.

Usually refers to the wellbore.

A large, hook-shaped device from which the swivel is suspended. It is designed to carry maximum loads ranging from 100 to 650 tons (90 to 590 […]

The horsepower equivalent for any given hook load and hoisting speed.

The weight on the hook of the drill stem and/or casing expressed in pounds.

A large funnel- or cone-shaped device into which dry components (such as powered clay or cement) can be poured to mix uniformly with water or other […]

A device designed to transition a single tubular (and in a few cases whole stands) between a horizontal or angled presentation and a vertical position in […]

A horizontal or angled machine that transfers tubulars from the pipe deck/rack to the rig floor, often achieved with carts, carriages, rollers, or belts. Pipe conveyor: […]

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 […]

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 […]