Backdriving 〈Stepping-Actuated Choke〉

Definition(s)


Backdriving 〈Stepping-Actuated Choke〉

Condition where the valve changes position after the operator is disengaged.

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