Wireless downhole unit
    21.
    发明授权
    Wireless downhole unit 有权
    无线井下机组

    公开(公告)号:US09328577B2

    公开(公告)日:2016-05-03

    申请号:US13989216

    申请日:2011-11-23

    IPC分类号: E21B47/12 E21B23/00 E21B41/00

    摘要: The present invention relates to a wireless downhole unit (1) adapted to be lowered into a well (2) in a casing (3) having an inner wall (4) and an inner diameter (Dc). The wireless downhole unit comprises an electrical motor (5), a pump (6), and driving means (7) for allowing movement of the wireless downhole unit within the casing, and at least one battery pack (8). The present invention further relates to a downhole system.

    摘要翻译: 本发明涉及一种适于下降到具有内壁(4)和内径(Dc)的壳体(3)中的井(2)中的无线井下单元(1)。 无线井下单元包括电动马达(5),泵(6)和驱动装置(7),用于允许无线井下单元在壳体内移动,以及至少一个电池组件(8)。 本发明还涉及井下系统。

    Downhole tool for borehole cleaning or for moving fluid in a borehole
    22.
    发明授权
    Downhole tool for borehole cleaning or for moving fluid in a borehole 有权
    用于钻孔清洗的井下工具或用于在钻孔中移动流体的井下工具

    公开(公告)号:US09284818B2

    公开(公告)日:2016-03-15

    申请号:US13518752

    申请日:2010-12-23

    摘要: The present invention relates to a downhole tool (1) for borehole cleaning or for moving fluid in a borehole. The tool comprises a tool housing (29), a chamber inlet (6) and a chamber outlet (36), and the tool housing comprises a pump (8) arranged in a pump housing (4) and a driving unit powered by an electrical conducting means for driving the pump.

    摘要翻译: 本发明涉及一种用于钻孔清洗或用于在钻孔中移动流体的井下工具(1)。 工具包括工具壳体(29),腔室入口(6)和腔室出口(36),并且工具壳体包括布置在泵壳体(4)中的泵(8)和由电气 用于驱动泵的传导装置。

    Propelling tool
    23.
    发明授权
    Propelling tool 有权
    推进工具

    公开(公告)号:US09114443B2

    公开(公告)日:2015-08-25

    申请号:US13386190

    申请日:2010-07-26

    IPC分类号: B08B9/049 B08B9/051

    摘要: The present invention relates to a propelling tool (1) enabling a forward drive for operation in a pipeline (3), a casing, a well, or any other cavity. The propelling tool comprises a supply tubing (4) containing the supply fluid, a housing (5) connected to the supply tubing having a supply inlet provided in the rear end of the housing for supplying pressurized supply fluid from the supply tubing, a supply outlet provided in the rear end of the housing for ejection of the supply fluid, a suction inlet provided in the front end for an intake of cavity fluid surrounding the tool into the housing, and a suction outlet provided in the rear end for an outlet of cavity fluid, and a pump (10) for suction of cavity fluid in through the suction inlet and out through the suction outlet. The pump is driven by the pressurized supply fluid for pulling the tool forward in a cavity.

    摘要翻译: 本发明涉及能够在管道(3),壳体,井或任何其它空腔中操作的前进驱动的推进工具(1)。 推进工具包括一个包含供应流体的供应管道(4),连接到供应管道上的一个壳体(5),该壳体(5)具有设置在壳体后端的供应入口,用于从供应管道供应加压供应流体, 设置在壳体的后端以用于喷射供应流体;抽吸入口,设置在前端,用于将工具进入壳体的腔体流体入口;以及抽吸出口,设置在后端,用于腔的出口 流体和用于通过吸入口抽吸腔体流体并通过抽吸出口排出的泵(10)。 泵由加压供应流体驱动,用于在空腔中向前拉动工具。

    PUNCHING TOOL
    24.
    发明申请
    PUNCHING TOOL 审中-公开
    冲压工具

    公开(公告)号:US20140374100A1

    公开(公告)日:2014-12-25

    申请号:US14344473

    申请日:2012-09-27

    申请人: WELLTEC A/S

    IPC分类号: E21B29/08

    CPC分类号: E21B29/08 E21B43/112

    摘要: The present invention relates to a punching tool for providing a hole or a dimple in a metal casing in a borehole. The punching tool comprises a tool body having an axial extension, and a punching unit connected with the tool body comprising: a fluid inlet, a punch movable between a retracted and a projected position and extending substantially radially in relation to the axial extension, and at least one hydraulic punch cylinder moving the punch between the retracted and the projected position. The present invention further relates to a method for providing a hole or a dimple in a metal casing downhole and to a method for installing a plug in an existing hole in the casing downhole.

    摘要翻译: 本发明涉及一种用于在钻孔中的金属外壳中提供孔或凹坑的冲压工具。 所述冲压工具包括具有轴向延伸部的工具主体和与所述工具主体连接的冲压单元,所述冲压单元与所述工具主体连接,所述冲压单元包括:流体入口,可在缩回和突出位置之间移动并且相对于所述轴向延伸部基本上径向延伸的冲头, 至少一个液压冲压缸使冲头在缩回和突出位置之间移动。 本发明还涉及一种用于在井下的金属外壳中提供孔或凹坑的方法以及用于在井下的壳体中的现有孔中安装塞子的方法。

    STIMULATION METHOD
    25.
    发明申请
    STIMULATION METHOD 有权
    刺激方法

    公开(公告)号:US20140290935A1

    公开(公告)日:2014-10-02

    申请号:US14362685

    申请日:2012-12-20

    申请人: WELLTEC A/S

    IPC分类号: E21B43/00

    摘要: The present invention relates to a stimulation method comprising the steps of arranging a fluid-activated gun in a well through a well head and/or a blowout preventer, dividing the well into a first and a second part, the first part being closer to the well head and/or blowout preventer than the second part, pressurising the first part of the well with a hot fluid, the hot fluid having a temperature which is higher than the temperature of the formation at a downhole point of injection, activating the fluid-activated gun, thereby converting energy from the pressurised hot fluid into mechanical waves, directing said mechanical waves into the formation, and injecting the hot fluid into the formation simultaneous to activation of the fluid-activated gun by means of the hot fluid. Furthermore, the present invention relates to a stimulation system for stimulation of oil production in an oil field.

    摘要翻译: 本发明涉及一种刺激方法,包括以下步骤:通过井头和/或防喷器在井中布置流体激活的枪,将井分为第一和第二部分,第一部分更靠近 井头和/或防喷器比第二部分,用热流体对井的第一部分加压,热流体的温度高于注入井下点处的地层的温度, 从而将来自加压热流体的能量转换成机械波,将所述机械波引导到地层中,以及通过热流体激活流体激活的枪同时将热流体喷射到地层中。 此外,本发明涉及一种用于刺激油田中产油的刺激系统。

    DISCONNECTING TOOL
    26.
    发明申请
    DISCONNECTING TOOL 有权
    断开工具

    公开(公告)号:US20140158371A1

    公开(公告)日:2014-06-12

    申请号:US14236996

    申请日:2012-08-30

    IPC分类号: E21B23/00 E21B43/10

    摘要: The present invention relates to a disconnecting tool (1) for disconnecting a drill pipe from a lower casing in a bore-hole and having an axial extension along a centre line (2), comprising an axial force generator (4) comprising a first part (5) and a second part (6) and providing an axial movement of the second part in relation to the first part along the axial extension, a wireline (3) powering the axial force generator, and an element (7) comprising a leading part (8) and a trailing part (9), the second part being connected with the trailing part, wherein a fluid channel (10) extends from the leading part to the trailing part for letting fluid through or pass the element when the second part is moved in relation to the first part of the force generator during disconnection.

    摘要翻译: 本发明涉及一种用于将钻杆与钻孔中的下壳体分离并具有沿着中心线(2)的轴向延伸的断开工具(1),包括轴向力发生器(4),该轴向力产生器包括第一部分 (5)和第二部分(6),并且沿着所述轴向延伸部提供所述第二部分相对于所述第一部分的轴向运动;为所述轴向力发生器供电的电缆(3);以及包括引导 部分(8)和后部(9),第二部分与后部连接,其中流体通道(10)从引导部分延伸到后部,以便当第二部分 在断开连接期间相对于力发生器的第一部分移动。

    DOWNHOLE HYDRAULIC PUMP
    27.
    发明申请
    DOWNHOLE HYDRAULIC PUMP 审中-公开
    卧式液压泵

    公开(公告)号:US20140127046A1

    公开(公告)日:2014-05-08

    申请号:US14130944

    申请日:2012-07-04

    IPC分类号: F04B1/047 F04B47/00

    摘要: The present invention relates to a downhole hydraulic pump for providing fluid pressure during downhole operations, comprising a pump housing, a cam shaft rotatably arranged in the pump housing and having a longitudinal spin axis, the cam shaft comprising a shaft and a cam lobe arranged on the shaft, a radially arranged piston having a housing end and a cam end, a piston housing arranged in the pump housing, an inlet valve arranged in an inlet in the piston housing, an outlet valve arranged in an outlet in the piston housing, and a piston spring arranged in the pump housing for moving the piston away from the piston housing, wherein the piston housing is rotatably connected to the pump housing enabling rotation of the piston housing around a piston housing rotation axis parallel to the longitudinal spin axis of the cam shaft.

    摘要翻译: 本发明涉及一种用于在井下操作期间提供流体压力的井下液压泵,包括泵壳体,可旋转地布置在泵壳体中并具有纵向旋转轴线的凸轮轴,所述凸轮轴包括轴和布置在其上的凸轮凸角 轴,具有壳体端和凸轮端的径向布置的活塞,布置在泵壳体中的活塞壳体,布置在活塞壳体中的入口中的入口阀,布置在活塞壳体中的出口中的出口阀,以及 布置在所述泵壳体中的活塞弹簧,用于使所述活塞远离所述活塞壳体移动,其中所述活塞壳体可旋转地连接到所述泵壳体,所述活塞壳体能够围绕平行于所述凸轮的纵向旋转轴线的活塞壳体旋转轴线旋转 轴。

    ROCK ANCHOR
    28.
    发明申请
    ROCK ANCHOR 审中-公开
    摇臂锚

    公开(公告)号:US20140102719A1

    公开(公告)日:2014-04-17

    申请号:US13994856

    申请日:2011-12-16

    申请人: WELLTEC A/S

    IPC分类号: E21B43/10

    CPC分类号: E21B43/10 E21B23/01

    摘要: The present invention relates to a formation fixation device for securing a tubular in an open-hole wellbore, the formation fixation device comprising a tubular part, a fixation unit and a fluid passage. Furthermore, the invention relates to a downhole fixation system for securing a casing comprising a first end and a second end in an open-hole wellbore and to a method of permanently fixating a tubular part in an open-hole wellbore as well as to use of a formation fixation device according to the invention for fixating a tubular part in an open-hole wellbore.

    摘要翻译: 本发明涉及一种用于将管状物固定在露天井筒中的地层固定装置,该地层固定装置包括管状部分,固定单元和流体通道。 此外,本发明涉及一种用于将包括第一端和第二端的壳体固定在露天井筒中的井下固定系统以及将管状部件永久地固定在露天井筒中的方法以及使用 根据本发明的用于将管状部件固定在露天井筒中的地层固定装置。

    DOWNHOLE TOOL
    29.
    发明申请
    DOWNHOLE TOOL 有权
    卧式工具

    公开(公告)号:US20140076531A1

    公开(公告)日:2014-03-20

    申请号:US14114611

    申请日:2012-04-27

    IPC分类号: E21B47/01

    CPC分类号: E21B47/011

    摘要: The present invention relates to a downhole tool comprising a tool housing, an electronics assembly comprising an electronic module located within the housing, wherein the electronics assembly further comprises a plurality of transistor elements being electrically connected with the electronic module and being arranged on a thermal member which is thermally connected with the housing, wherein the electronic module is thermally insulated from the thermal member. Furthermore, the invention relates to a downhole system comprising a wireline, a tool string, and a downhole tool according to the invention.

    摘要翻译: 本发明涉及一种井下工具,其包括工具壳体,电子组件,其包括位于壳体内的电子模块,其中电子组件还包括多个晶体管元件,其与电子模块电连接并且布置在热构件上 其与壳体热连接,其中电子模块与热构件热绝缘。 此外,本发明涉及一种井下系统,其包括根据本发明的电缆,工具串和井下工具。

    DOWNHOLE CASING SYSTEM
    30.
    发明申请
    DOWNHOLE CASING SYSTEM 有权
    卧室系统

    公开(公告)号:US20140060846A1

    公开(公告)日:2014-03-06

    申请号:US14114595

    申请日:2012-04-27

    IPC分类号: E21B17/18 E21B43/08 E21B34/06

    CPC分类号: E21B17/18 E21B34/06 E21B43/08

    摘要: The present invention relates to a casing module for being part of a downhole casing system, comprising a base pipe extending in a longitudinal direction and having a circumference, a functional assembly mounted over the base pipe to define a casing module flow path between the functional assembly and the base pipe, and a main flow path arranged substantially in a centre of the base pipe and extending in a longitudinal direction of the casing system, wherein at least a part of the casing module flow path is an annular flow path extending both in the longitudinal direction of the base pipe and continuously around the entire circumference of the base pipe, and the base pipe has end sections at which a plurality of supporting structures protrude from an outer surface to provide support for the functional assembly, the supporting structures defining a plurality of casing module flow paths extending in the longitudinal direction. The present invention furthermore relates to a downhole casing system for performing operations in a wellbore containing well fluid.

    摘要翻译: 本发明涉及一种用于作为井下套管系统的一部分的壳体模块,其包括沿纵向方向延伸并具有圆周的基管;安装在基管上的功能组件,以在功能组件之间限定壳体模块流动路径 基管和主流路基本上配置在基管的中心并且在壳体系统的长度方向上延伸,其中壳体模块流路的至少一部分是环形流路, 基管的纵向方向并且连续地围绕基管的整个圆周,并且基管具有端部,多个支撑结构从外表面突出以提供对功能组件的支撑,支撑结构限定多个 的套管模块流路沿纵向延伸。 本发明还涉及一种用于在含有井液的井眼中进行操作的井下套管系统。