18 July 2017

Cathead

A spool-shaped attachment on the end of the catshaft around which rope for hoisting and pulling is wound. Also called Automatic cathead. See Breakout cathead, Makeup […]
18 July 2017

Catline

A hoisting or pulling line powered by the cathead and used to lift heavy equipment on the rig. See Cathead.
18 July 2017

Catwalk

Elongated platform adjacent to the rig floor where pipe is laid out and lifted into the derrick. The catwalk is connected to the rig floor by […]
18 July 2017

Catwalk machine

See Horizontal tubular transfer.