Search International and National Patent Collections

1. (WO2017198536) ACTUATOR OVERRIDE APPARATUS, SYSTEM AND METHOD

Pub. No.:    WO/2017/198536    International Application No.:    PCT/EP2017/061320
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Fri May 12 01:59:59 CEST 2017
IPC: E21B 33/035
E21B 34/04
F16K 3/02
F16K 31/00
Applicants: GE OIL & GAS UK LIMITED
Inventors: CUNNINGHAM, Allan David
Title: ACTUATOR OVERRIDE APPARATUS, SYSTEM AND METHOD
Abstract:
An actuator apparatus (10) for a valve (12), such as a subsea choke valve, comprises an actuator (16) for actuating the valve (12) and an override apparatus (18). The override apparatus (18) is disposed laterally of the actuator (16) and is coupled to the actuator (16) by a transmission system including a chain (32), the actuator (16) permitting the actuator (16) to be operated by a secondary actuation mechanism, such as by a remotely operated vehicle (ROV).