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    • 3. 发明授权
    • Resettable ball seat
    • 可重置球座
    • US09394773B2
    • 2016-07-19
    • US13359937
    • 2012-01-27
    • Cesar G. GarciaPatrick ZimmermanCharles Parker
    • Cesar G. GarciaPatrick ZimmermanCharles Parker
    • E21B34/14E21B43/25E21B43/12E21B34/00
    • E21B43/25E21B34/14E21B43/12E21B2034/007
    • A device comprising multiple sliding sleeves actuated using same-sized balls has a resettable seat in an upper sliding sleeve and a non-resettable seat in a lower sliding sleeve. A dropped ball seats on the resettable seat forming a seal. Pressure applied from the surface shifts the resettable seat and an insert. Upon being shifted, the resettable seat releases the ball, which then moves downward to the lower sliding sleeve where the ball lands on the non-resettable seat and shifts the insert. After the first ball is released from the upper sliding sleeve, a biasing device shifts the insert whereby the seat is reset to catch the next ball. A second same-sized ball may then be dropped and land on the now reset first seat to further shift the first insert.
    • 包括使用相同尺寸的球致动的多个滑动套筒的装置具有上滑动套筒中的可复位座和下滑动套筒中的不可复位座。 可复位座椅上的落球座形成密封。 从表面施加的压力可移动可复位的座椅和插入物。 当可移动时,可重置的座椅释放球,然后将球向下移动到下滑动套管,在该滑动套管处球落在不可重置的座上并移动刀片。 在第一球从上滑动套筒释放之后,偏置装置移动插入件,由此座椅被重新设置以抓住下一个球。 然后可以将第二个相同尺寸的球落下并落在现在复位的第一座上以进一步移动第一插入件。
    • 6. 发明授权
    • Lateral connector receptacle
    • 横向连接器插座
    • US5439051A
    • 1995-08-08
    • US188381
    • 1994-01-26
    • Brian S. KennedyPatrick ZimmermanAlan B. Emerson
    • Brian S. KennedyPatrick ZimmermanAlan B. Emerson
    • E21B23/03E21B41/00E21B43/10E21B7/06
    • E21B41/0035E21B23/03E21B43/10
    • A novel lateral connector receptacle or LCR is provided which functions to (1) provide means for running a lower completion into a well; (2) provide means for orienting a retrievable whipstock assembly and/or scoophead diverter; and (3) provides means for attaching an upper completion to a lower completion. The LCR includes an upper section having a latch thread and smooth seal bore which respectively threadably attaches to, and mates with seals from, an orientation anchor. A middle section of the LCR includes an orientation lug for mating with the orientation anchor and providing a fixed reference point to the retrievable whip stock and/or scoophead/diverter assembly; and a lower section includes an inner mating (e.g., profiled) surface for attachment to an appropriate run-in tool. Preferably, the LCR includes three cylindrical, threadably mated subs (which respectively include the (1) latch thread and seal bore; (2) the orientation anchor lug and (3) the profiled connecting surfaces) and a fourth bottom sub. The LCR combines all of the aforementioned features providing a novel tool which allows for the ability to stack infinite laterals in a single well.
    • 提供了一种新颖的横向连接器插座或LCR,其用于(1)提供用于将较低完成运行到井中的装置; (2)提供用于定向可回收的造斜器组件和/或铲斗转向器的装置; 和(3)提供将上部完成附加到较低完成的装置。 LCR包括具有闩锁螺纹和光滑密封孔的上部分别分别螺纹连接并与定位锚相配合。 LCR的中间部分包括用于与定位锚配合的定向凸耳,并将可固定的参考点提供到可回收的鞭状物料和/或勺头/转向器组件; 并且下部包括用于附接到适当的入口工具的内部配合(例如,异形)表面。 优选地,LCR包括三个圆柱形,螺纹配合的垫片(其分别包括(1)闩锁螺纹和密封孔;(2)定向锚耳和(3)成型连接表面)和第四底部子。 LCR组合了上述所有功能,提供了一种新颖的工具,可以将单个孔中的无限远端进行堆叠。