21 October 2021

Health, safety, and environment (HSE)

A concept referring to a methodological framework studies and implements for the observance and protection of occupational health and safety rules and regulations along with environmental […]
18 July 2017

Hoist

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 […]
18 July 2017

Hoisting drum

The large flanged spool in the drawworks on which the hoisting cable is wound. See drawworks.
18 July 2017

Hole

Usually refers to the wellbore.
18 July 2017

Hook

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 […]
18 July 2017

Hook horsepower

The horsepower equivalent for any given hook load and hoisting speed.
18 July 2017

Hook load

The weight on the hook of the drill stem and/or casing expressed in pounds.
18 July 2017

Hopper

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 […]
18 July 2017

Horizontal tubular transfer

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: […]