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    • 31. 发明授权
    • Tree saver
    • 保护树
    • US06823942B1
    • 2004-11-30
    • US10345647
    • 2003-01-16
    • Richard Harvey McGee
    • Richard Harvey McGee
    • E21B2912
    • E21B33/068
    • The invention is a tree saver apparatus for preventing excess pressure on a Christmas tree for a well, wherein the Christmas tree has tubing, a master valve, a top valve, a second master valve, a wing valve, and wherein the apparatus has a connection with at least 3 outlets connected to the cylinder, a frac wing valve connected to the connection with at least 3 outlets, a frac valve connected to the connection with at least 3 outlets, a mandrel connected to the piston rod, a landing bowl connected to the top valve, and a hydraulic system with a piston, a cylinder, an upper plunger, and a hand wheel.
    • 本发明是一种用于防止圣诞树上用于井的过度压力的树保护装置,其中圣诞树具有管道,主阀,顶阀,第二主阀,翼阀,并且其中该装置具有连接 其中至少3个出口连接到气缸,连接到至少3个出口的连接的压裂翼阀,连接到至少3个出口的连接的压裂阀,连接到活塞杆的心轴,连接到 顶阀,以及具有活塞,气缸,上柱塞和手轮的液压系统。
    • 39. 发明授权
    • Folding ultrasonic borehole imaging tool
    • 折叠超声波井眼成像工具
    • US07975541B2
    • 2011-07-12
    • US12639412
    • 2009-12-16
    • Stuart Anthony LargeScott Ronald KennedyRichard Harvey Wood
    • Stuart Anthony LargeScott Ronald KennedyRichard Harvey Wood
    • E21B47/01E21B17/10
    • E21B47/0002E21B17/1021
    • A borehole logging tool includes a housing oriented along a longitudinal axis, and a centralizer assembly that positions the housing substantially at the center of the borehole. In one example, the centralizer assembly includes a plurality of centralizer arms radially extendable outward from the longitudinal axis. The borehole logging tool further includes a scanning head that rotates a plurality of scanning sensors axially within the borehole about the longitudinal axis. The scanning head further includes a plurality of linkage arms coupled to the plurality of scanning sensors such that the scanning sensors are radially extendable outward from the longitudinal axis. The borehole logging tool further includes an extension assembly adapted to substantially concurrently control the radial extension of the centralizer arms and the plurality of sensors.
    • 井眼测井工具包括沿着纵向轴线定向的壳体,以及将壳体基本位于钻孔中心的定心组件。 在一个示例中,扶正器组件包括从纵向轴线向外可径向延伸的多个扶正器臂。 钻孔测井工具还包括扫描头,该扫描头使钻孔内的多个扫描传感器在纵轴线周围轴向旋转。 扫描头还包括耦合到多个扫描传感器的多个联动臂,使得扫描传感器可以从纵向轴线向外延伸。 井眼测井工具还包括适于基本上同时控制扶正器臂和多个传感器的径向延伸的延伸组件。