Check valve
18 July 2017
Choke line
18 July 2017


A device with an orifice installed in a line to restrict the flow of fluids. Chokes are also used to control the rate of flow of the drilling mud out of the hole when the well is closed in with the blowout preventer and a kick is being circulated out of the hole.

See Adjustable choke, Blowout preventer, Bottomhole choke, Choke and kill, Christmas tree, Kick, Nipple, Positive choke.