Invention Grant
- Patent Title: Well intervention tool and method
- Patent Title (中): 良好的干预工具和方法
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Application No.: US14519550Application Date: 2014-10-21
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Publication No.: US09574420B2Publication Date: 2017-02-21
- Inventor: Graham Hall , Robert Large , James Duncan Trinder
- Applicant: OneSubsea IP UK Limited
- Applicant Address: GB London
- Assignee: OneSubsea IP UK Limited
- Current Assignee: OneSubsea IP UK Limited
- Current Assignee Address: GB London
- Agency: Chamberlain Hrdlicka
- Main IPC: E21B33/035
- IPC: E21B33/035 ; E21B33/076 ; E21B34/04 ; E21B17/20 ; E21B43/16 ; E21B41/04 ; E21B43/017

Abstract:
A system to control fluid flow through a fluid passage includes a valve that is fail-safe closed to selectively control fluid flow through the fluid passage, and a hydraulic actuator operatively coupled to the valve to open the valve when hydraulic pressure above a predetermined amount is received. The system further includes an inlet to provide hydraulic pressure to the hydraulic actuator and open the valve and an outlet to vent hydraulic pressure from the hydraulic actuator and close the valve.
Public/Granted literature
- US20150136409A1 Well Intervention Tool and Method Public/Granted day:2015-05-21
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