Definition(s)
Choke
A device with either a fixed or variable aperture used to control the rate of flow of liquids and/or gas.
Source: API STD 53, Blowout Prevention Equipment Systems for Drilling Wells, Upstream Segment, Fourth Edition, November 2012. Global Standards
Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards
Choke
Equipment used to restrict and control the flow of fluids.
Source: API SPEC 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 (Addendum November 2012). Global Standards
Source: API SPEC 16C, Specification for Choke and Kill Systems, First Edition, January 1993 (Reaffirmed 2001). Global Standards
Choke
Equipment used to restrict and control the flow of fluids and gas.
Source: API SPEC 17D, Design and Operation of Subsea Production Systems—Subsea Wellhead and Tree Equipment, Upstream Segment, Second Edition May 2011 (Errata September 2011). Global Standards
Choke
A device with a fixed (positive) or variable (adjustable) orifice installed in a line to restrict the flow and control the rate of production from the well.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards