BIDIRECTIONAL DOWNHOLE ISOLATION VALVE
    2.
    发明申请
    BIDIRECTIONAL DOWNHOLE ISOLATION VALVE 审中-公开
    双向卧室隔离阀

    公开(公告)号:WO2014210367A3

    公开(公告)日:2015-12-10

    申请号:PCT/US2014044420

    申请日:2014-06-26

    CPC classification number: E21B34/14 E21B21/10 E21B34/10 E21B2034/005

    Abstract: An isolation valve for use in a wellbore includes: a tubular housing; an upper flapper disposed in the housing and pivotable relative thereto between an open position and a closed position; an upper piston operable to open or close the upper flapper; a lower flapper disposed in the housing and pivotable relative thereto between an open position and a closed position; a lower piston operable to open the lower flapper; an opener passage in fluid communication with the pistons and an opener hydraulic coupling; and a closer passage in fluid communication with the pistons and a closer hydraulic coupling.

    Abstract translation: 用于井眼的隔离阀包括:管状壳体; 上部挡板,其设置在所述壳体中并且可相对于所述上挡板在打开位置和关闭位置之间枢转; 可操作以打开或关闭上挡板的上活塞; 下挡板,其设置在所述壳体中并在打开位置和关闭位置之间相对于其枢转; 可操作以打开下挡板的下活塞; 与活塞流体连通的开启通道和开启器液压联接器; 以及与活塞流体连通的更靠近的通道和更靠近的液压联接器。

    DOWNHOLE DEBRIS RETRIEVER
    3.
    发明申请
    DOWNHOLE DEBRIS RETRIEVER 审中-公开
    卧室检查

    公开(公告)号:WO2015042043A3

    公开(公告)日:2015-05-14

    申请号:PCT/US2014055864

    申请日:2014-09-16

    Abstract: A method and apparatus (100) for removing debris from a wellbore using a cleaning tool. The tool may comprise an inner mandrel (17) and a cup member (20) coupled to the inner mandrel. The cup member is moveable between a collapsed position where fluid may flow across the exterior of the cup member, and an extended position where fluid is diverted into a flow path disposed between the inner mandrel and the cup member. The fluid is diverted through a filter member (30) that is coupled to the inner mandrel below the cup member.

    Abstract translation: 一种用于使用清洁工具从井眼去除碎屑的方法和装置(100)。 工具可以包括内心轴(17)和联接到内心轴的杯构件(20)。 杯构件可以在流体可以流过杯构件的外部的折叠位置和延伸位置之间移动,其中流体被转移到设置在内心轴和杯构件之间的流路中。 流体通过过滤器构件(30)转向,过滤构件(30)联接到杯构件下方的内心轴。

    EXTENDED LENGTH PACKER WITH TIMED SETTING
    4.
    发明申请
    EXTENDED LENGTH PACKER WITH TIMED SETTING 审中-公开
    延长长度包装与定时设置

    公开(公告)号:WO2014138650A2

    公开(公告)日:2014-09-12

    申请号:PCT/US2014022016

    申请日:2014-03-07

    CPC classification number: E21B33/1208 E21B33/128

    Abstract: A device and method to control the rate of radial expansion of a compressible sealing element on a packer over the longitudinal length of the sealing element. By varying the rate of compression of the element, the rate of radial expansion of the corresponding portions of the element may also be controlled. Additionally, the rate of radial expansion may also be controlled by controlling the direction and amount of radial expansion along the length of the sealing by reinforcing certain portions of the sealing element while decreasing the rigidity of the reinforcement for other portions.

    Abstract translation: 一种用于控制封隔器上的可压缩密封元件在密封元件的纵向长度上的径向膨胀速率的装置和方法。 通过改变元件的压缩速率,元件的相应部分的径向膨胀速率也可以被控制。 此外,通过加强密封元件的某些部分同时降低其它部分的加强件的刚性,也可以通过控制沿着密封长度的径向膨胀的方向和量来控制径向膨胀的速率。

    CONTINUOUS FLOW DRILLING SYSTEMS AND METHODS
    5.
    发明申请
    CONTINUOUS FLOW DRILLING SYSTEMS AND METHODS 审中-公开
    连续流动钻井系统和方法

    公开(公告)号:WO2009018173A3

    公开(公告)日:2009-04-02

    申请号:PCT/US2008071261

    申请日:2008-07-25

    Abstract: In one embodiment, a method for drilling a wellbore includes injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate. The tubular string includes: a drill bit tubular joints connected together, a longitudinal bore therethrough, and a port through a wall thereof. The drilling fluid exits the drill bit and carries cuttings from the drill bit. The cuttings and drilling fluid (returns) flow to the surface via an annulus defined between the tubular string and the wellbore. The method further includes rotating the drill bit while injecting the drilling fluid; remotely removing a plug from the port, thereby opening the port; and injecting drilling fluid into the port at a second flow rate while adding a tubular joint or stand of joints to the tubular string. The injection of drilling fluid is continuously maintained between drilling and adding the joint or stand to the drill string. The method further includes remotely installing a plug into the port. A clamp specially adapted to carry out this method is also disclosed.

    Abstract translation: 在一个实施例中,用于钻井井的方法包括以第一流量将钻井流体喷射到设置在井筒中的管柱的顶部中。 管柱包括:连接在一起的钻头管状接头,穿过其中的纵向孔和通过其壁的端口。 钻井液离开钻头,并从钻头中携带钻屑。 切屑和钻井液(返回)经由管状柱和井筒之间限定的环形空间流到表面。 该方法还包括在注入钻井液的同时旋转钻头; 从端口远程移除插头,从而打开端口; 并且在第二流量下将钻井液注入到所述端口中,同时将管状接头或接头支架添加到所述管状管柱中。 在钻孔和向钻柱之间添加接头或支架时,连续地保持钻井液的注入。 该方法还包括将插头远程安装到端口中。 还公开了专门用于执行该方法的夹具。

    SEAL ASSEMBLIES IN SUBSEA ROTATING CONTROL DEVICES
    6.
    发明申请
    SEAL ASSEMBLIES IN SUBSEA ROTATING CONTROL DEVICES 审中-公开
    SUBSEA旋转控制装置中的密封组件

    公开(公告)号:WO2013052830A3

    公开(公告)日:2014-01-16

    申请号:PCT/US2012059004

    申请日:2012-10-05

    CPC classification number: E21B33/085 E21B33/02

    Abstract: Rotating control device related oilfield pressure control is accomplished by upper (26a) and lower (26b) seal members configured to seal around a tubular (40), a chamber (44) defined between the upper and lower seal members; and wherein fluid enters and/or exits the chamber via some device or structure (60, 70). Such a device or structure could be a relief valve (60), a first accumulator (70), a pressure control valve, an orifice, and/or a void space in a seal member in a location which contacts the tubular.

    Abstract translation: 旋转控制装置相关的油田压力控制通过上部(26a)和下部(26b)密封构件来实现,所述上部(26a)和下部(26b)密封构件被配置为围绕限定在上部和下部密封构件之间的管状物(40),室(44) 并且其中流体经由一些装置或结构(60,70)进入和/或离开所述室。 这种装置或结构可以是在与管状物接触的位置处的密封构件中的安全阀(60),第一储存器(70),压力控制阀,孔口和/或空隙空间。

    DART DETECTOR FOR WELLBORE TUBULAR CEMENTATION

    公开(公告)号:CA2891750A1

    公开(公告)日:2015-11-21

    申请号:CA2891750

    申请日:2015-05-20

    Abstract: A detector for use in cementing a tubular string in a wellbore includes: a tubular mandrel; an electronics package fastened to an outer surface of the mandrel; a first transducer: fastened to the mandrel outer surface, in communication with the electronics package, and operable to generate ultrasonic pulses; a second transducer: fastened to the mandrel outer surface, in communication with the electronics package, and operable to receive the ultrasonic pulses; and an antenna fastened to the mandrel outer surface and in communication with the electronics package.

    METHOD AND APPARATUS FOR ISOLATING AND TREATING DISCRETE ZONES WITHIN A WELLBORE

    公开(公告)号:CA2697394C

    公开(公告)日:2014-08-19

    申请号:CA2697394

    申请日:2010-03-22

    Abstract: A method and apparatus for conducting a fracturing operation using a wellbore fracturing assembly. The assembly may be mechanically set and released from a wellbore using a coiled tubing string to conduct a fracturing operation adjacent an area of interest in a formation. The assembly may include an unloader for equalizing pressure between the assembly and the wellbore, a pair of spaced apart packers for straddling the area of interest, an injection port disposed between the packers for injecting fracturing fluid into the area of interest, and an anchor for securing the assembly in the wellbore. After conducting the fracturing operation, the assembly may be relocated to another area of interest to conduct another fracturing operation.

    Extendable cutting tools for use in a wellbore

    公开(公告)号:AU2013203056A1

    公开(公告)日:2013-05-02

    申请号:AU2013203056

    申请日:2013-04-09

    Abstract: EXTENDABLE CUTTING TOOLS FOR USE IN A WELLBORE A tool (100) for use in a wellbore, comprising a first tubular body (5) having a bore therethrough and an opening (5o) through a wall thereof; a first arm (50a,b): pivotally connected to the body (5) or a first piston (10), disposed in the opening (5o) in a retracted position, and movable to an extended position where an outer surface of the first arm (50a,b) extends outward past an outer surface of the first tubular body (5); the first piston (10): disposed in the body (5) bore, having a bore therethrough, and operable to move the first arm (50a,b) from the retracted position to the extended position in response to fluid pressure in the first piston (10) bore exceeding fluid pressure in the opening (5o); a lock (230) operable to retain the first piston (10) in the retracted position; and a controller (325) operable to release the lock (230) in response to receiving a first instruction signal.

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