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    • 5. 发明申请
    • WELLSITE CONNECTOR WITH PISTON DRIVEN COLLETS AND METHOD OF USING SAME
    • 带活塞柱的WELLSITE连接器及其使用方法
    • WO2013152187A2
    • 2013-10-10
    • PCT/US2013/035269
    • 2013-04-04
    • NATIONAL OILWELL VARCO, L.P.
    • JAHNKE, Douglas, A.
    • E21B33/038
    • E21B33/038E21B33/03F16L37/002F16L37/62
    • A wellsite connector for connecting components of a wellsite is provided. The wellsite has a wellbore extending into a subsurface formation. The wellsite connector includes a connector body having an end adapted for coupling to a first of the components and a cavity to receive a second of the components, a piston axially movable in the connector body and having a piston profile along an inner surface thereof, and a plurality of collets. The collets are positionable about the connector body adjacent the piston and radially movable thereabout. The collets have a collet profile along an outer surface thereof corresponding to the piston profile of the piston. The collets also have a grip profile along an inner surface thereof selectively engageable with the second of the components whereby the collets are selectively latchable about the second of the components.
    • 提供了用于连接井场的部件的井场连接器。 井场有一个井眼延伸到地下地层。 井场连接器包括连接器主体,其具有适于联接到第一部件的端部和用于容纳第二部件的空腔;可在连接器主体中轴向移动并具有沿其内表面的活塞轮廓的活塞;以及 多个夹头。 夹头可围绕靠近活塞的连接器主体定位,并可在其周围径向移动。 夹头沿其外表面具有对应于活塞的活塞轮廓的夹头轮廓。 夹头还具有沿着其内表面的抓握轮廓,其可选择性地与第二部件接合,由此夹头可围绕第二部件选择性地闩锁。