Definition(s)
Reverse Differential Pressure
Condition during which differential pressure is applied to a choke valve in a direction opposite to the specified operating direction. NOTE This can be in the operating or closed-choke position.
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