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    Device for fixing a valve to a tubular member
    1.
    发明专利
    Device for fixing a valve to a tubular member 未知

    公开(公告)号：GB2470691A

    公开(公告)日：2010-12-01

    申请号：GB201015694

    申请日：2009-03-11

    Applicant: STATOIL ASA

    Inventor： MATHIESEN VIDAR ,  AAKRE HAAVARD ,  WERSWICK BJORNAR

    IPC: E21B34/06

    Abstract: A device for fixing a valve (1) to a tubular member (2) being situated in wellbore formed in a subterranean reservoir and is having at least one drainage section (11) including a plurality of such valves as to allow the flow of fluid into and out from the tubular member, respectively. According to the present invention the valve (2) is secured to the tubular member (1) by means of a sleeve portion (3), the sleeve portion being part of the valve or is formed like a separate sleeve (4) into which the valve is to be arranged.

    DEVICE FOR FIXING A VALVE TO A TUBULAR MEMBER
    2.
    发明专利
    DEVICE FOR FIXING A VALVE TO A TUBULAR MEMBER 未知

    公开(公告)号：CA2717861A1

    公开(公告)日：2009-09-17

    申请号：CA2717861

    申请日：2009-03-11

    Applicant: STATOIL ASA

    Inventor： MATHIESEN VIDAR ,  AAKRE HAAVARD ,  WERSWICK BJORNAR

    IPC: E21B34/06

    Abstract: A device for fixing a valve (1) to a tubular member (2) being situated in wellbore formed in a subterranean reservoir and is having at least one drainage section (11) including a plurality of such valves as to allow the flow of fluid into and out from the tubular member, respectively. According to the present invention the valve (2) is secured to the tubular member (1) by means of a sleeve portion (3), the sleeve portion being part of the valve or is formed like a separate sleeve (4) into which the valve is to be arranged.

    4.
    发明专利
    未知

    公开(公告)号：NO20090942L

    公开(公告)日：2010-09-06

    申请号：NO20090942

    申请日：2009-03-03

    Applicant: STATOIL ASA

    Inventor： GRONSTAD LEIF KARE ,  SCHELLING JAN ,  NILSEN SANDRA ,  WERSWICK BJORNAR ,  NAKKEN TORGEIR ,  TVEIT ODD STALE

    IPC: F17C5/00

    Abstract: The present invention relates to a device for storing gas under pressure comprising an inner cylindrical pressure vessel (1), the pressure vessel (1) comprising pipe connection (7). According to the present invention, the device is characterized in that the inner cylindrical pressure vessel (1) is arranged inside an outer vessel (3), whereby a substantially annular space (2) is formed between the inner pressure vessel (1) and the outer vessel (3), wherein the annular space (2) between the inner pressure vessel (1) and the outer vessel (3) is filled with a fluid, the outer vessel (3) further comprising venting means (5) at or in the vicinity of the highest point (4, 6) of the outer vessel (3).

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