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.