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    12.
    发明专利
    未知

    公开(公告)号：NO330585B1

    公开(公告)日：2011-05-23

    申请号：NO20090494

    申请日：2009-01-30

    Applicant: STATOIL ASA

    Inventor： MATHIESEN VIDAR ,  AAKRE HAAVARD ,  VALLE ARNE

    IPC: E21B43/12 ,  E21B34/08

    Abstract: The present invention relates to a method of improving flow stability for a multiphase fluid flowing through a tubular element (1), comprising arranging a flow control device (2) along a flow path (F) through the tubular element (1), the flow control device (2) comprising a housing (4), an inlet (10) arranged on an upstream side of the control device (2), an outlet (23, 13) arranged on a downstream side of the control device (2), and a movable body (9) provided within the housing (4) along an internal flow path (11) through the control device (2) from the inlet (10) to the outlet (23, 13), the body (9) being arranged such that changes in velocity and/or properties and/or composition of the fluid flowing along the internal flow path (11) result in changes to the forces acting on the body (9) as a result of the Bernoulli principle, thereby adjusting the flow of fluid through the control device (2).

    Device for fixing a valve to a tubular member
    13.
    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.

    SISTEMA Y METODO PARA CONTROLAR EL FLUJO DE FLUIDO EN POZOS RAMIFICADOS.
    15.
    发明专利
    SISTEMA Y METODO PARA CONTROLAR EL FLUJO DE FLUIDO EN POZOS RAMIFICADOS. 未知

    公开(公告)号：MX2010009871A

    公开(公告)日：2010-09-30

    申请号：MX2010009871

    申请日：2009-03-10

    Applicant: STATOIL ASA

    Inventor： AAKRE HAAVARD ,  MATHIESEN VIDAR

    IPC: E21B33/12 ,  E21B33/124 ,  E21B34/08 ,  E21B41/00 ,  E21B43/08 ,  E21B43/12 ,  E21B43/14 ,  E21B43/30

    Abstract: Un sistema para controlar el flujo de fluido en un pozo ramificado de un yacimiento (29), el sistema comprende un pozo principal terminado (27) que tiene por lo menos un pozo ramal no terminado (25), una sección anular (24) definida entre el yacimiento (29) y un tubo de producción (1) del pozo principal terminado (27) y por lo menos dos obturadores hinchables o constrictores (26) sucesivos que definen por lo menos una sección longitudinal del pozo principal (27) y en el cual se dispone por lo menos un pozo ramal (25), y que comprende por lo menos una válvula autónoma (2) dispuesta en la sección longitudinal del pozo principal (27) definida entre los dos obturadores hinchables o constrictores (26) sucesivos. Los pozos ramales no terminados (25) se proveen para aumentar el área de drenado, es decir, el contacto máximo del yacimiento (MRC, por sus siglas en inglés). También se describe un método para controlar el flujo de fluido en un pozo ramificado de un yacimiento (29).

    TUBULAR MEMBER HAVING SELF-ADJUSTING VALVES CONTROLLING THE FLOW OF FLUID INTO OR OUT OF THE TUBULAR MEMBER
    18.
    发明专利
    TUBULAR MEMBER HAVING SELF-ADJUSTING VALVES CONTROLLING THE FLOW OF FLUID INTO OR OUT OF THE TUBULAR MEMBER 未知

    公开(公告)号：CA2717048C

    公开(公告)日：2016-03-08

    申请号：CA2717048

    申请日：2009-01-14

    Applicant: STATOIL ASA

    Inventor： MATHIESEN VIDAR ,  AAKRE HAAVARD

    IPC: F16K15/02 ,  E21B17/18 ,  E21B34/08

    Abstract: A tubular member having at least one drainage section (1) including a first plurality of self-adjustable valves or flow control devices (2) to control the flow of fluid into the drainage section from a well formed in a subterranean reservoir, each of the valves (2) comprising an inlet or aperture (10), thereby forming a flow path (11) through the control device (2) passing by a movable disc or body (9) designed to move freely relative to the opening of the inlet and thereby reduce or increase the flow-through area (A2) by exploiting the Bernoulli effect and any stagnation pressure created over the disc (9), whereby the valve (2), depending on the composition of the fluid and its properties, autonomously adjusts the flow of the fluid based on a pre-estimated flow design. To allow injection of fluid into the subterranean reservoir, the drainage section (1) is provided with a second plurality of such self-adjustable valves (32), each being situated in a direction opposite of the first plurality.

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