Invention Grant
- Patent Title: Well bore control valve
- Patent Title (中): 井筒控制阀
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Application No.: US12442145Application Date: 2007-09-20
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Publication No.: US08353338B2Publication Date: 2013-01-15
- Inventor: Jeffrey Charles Edwards
- Applicant: Jeffrey Charles Edwards
- Applicant Address: GB Aberdeen
- Assignee: Enovate Systems Limited
- Current Assignee: Enovate Systems Limited
- Current Assignee Address: GB Aberdeen
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Priority: GB0618555.7 20060921
- International Application: PCT/GB2007/003590 WO 20070920
- International Announcement: WO2008/035091 WO 20080327
- Main IPC: E21B33/06
- IPC: E21B33/06 ; E21B29/00

Abstract:
The well bore control valve comprises a housing (12) defining a throughbore (14), the throughbore adapted to receive a first tubular. The valve further comprises first (18) and second gates (20) located within the housing, the gates being movable in different directions transverse to the throughbore between the throughbore open position and the throughbore closed position. Movement of the gates from the throughbore open position to the throughbore closed position, in use, shares a tubular located between the gates. The valve also comprises a first seal seat (22) performing a seal of one of the gates in the throughbore closed position to seal the throughbore. In one embodiment, the gates are axially movable with respect to the throughbore.
Public/Granted literature
- US20100071913A1 WELL BORE CONTROL VALVE Public/Granted day:2010-03-25
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