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    Retrievable torque-through packer having high strength and reduced cross-sectional area
    8.
    发明授权
    Retrievable torque-through packer having high strength and reduced cross-sectional area 有权
    可回收的具有高强度和横截面积减小的扭矩通过型封隔器

    公开(公告)号：US6056052A

    公开(公告)日：2000-05-02

    申请号：US273793

    申请日：1999-03-22

    申请人： Bryon D. Mullen ,  Ralph H. Echols ,  Marion D. Kilgore

    发明人： Bryon D. Mullen ,  Ralph H. Echols ,  Marion D. Kilgore

    IPC分类号： E21B33/129 ,  E21B23/06 ,  E21B33/128

    CPC分类号： E21B33/1293

    摘要： A packer for use in subterranean wellbores provides efficient utilization of its cross-sectional area with mechanisms therein for anchoring, sealing, and torquing through the packer. In a preferred embodiment, a retrievable packer has a tubular mandrel, rubbers disposed on the mandrel, upper and lower compression members axially straddling the rubbers, a barrel-type casing slip, upper and lower wedges axially straddling the casing slip, a release mechanism, and a series of threaded load-distributing components which help to prevent collapse of the mandrel.

    摘要翻译： 用于地下井筒的封隔器提供其横截面积的有效利用，其中具有用于通过封隔器锚定，密封和扭转的机构。 在优选实施例中，可回收封隔器具有管状心轴，设置在心轴上的橡胶，轴向跨越橡胶的上压缩构件和下压缩构件，轴套式套管滑动件，轴向跨越套管滑块的上下楔块，释放机构， 以及一系列有助于防止心轴塌陷的螺纹负载分配部件。

    Push-on coupling apparatus for tubular well completion structures
    10.
    发明授权
    Push-on coupling apparatus for tubular well completion structures 失效
    用于管状井完井结构的推压联接装置

    公开(公告)号：US5415441A

    公开(公告)日：1995-05-16

    申请号：US204103

    申请日：1994-02-28

    申请人： Marion D. Kilgore ,  Colby M. Ross ,  Ralph H. Echols, III

    发明人： Marion D. Kilgore ,  Colby M. Ross ,  Ralph H. Echols, III

    IPC分类号： E21B17/04 ,  E21B17/20 ,  F16L37/091 ,  F16L21/06

    CPC分类号： F16L37/091 ,  E21B17/04 ,  E21B17/20

    摘要： Using a specially designed push-on coupling structure the facing end portions of two tubular well completion structures, such as a length of coil tubing and a tubular coupling member, are fixedly and sealing connected to one another simply by pushing one of the end portions into the other end portions. The coupling structure includes an O-ring seal member carried by one of the end portions for creating a fluid tight seal between the telescoped end portions; a radial projection carried by one of the end portions and receivable in a side wall slot in the other end portion for preventing appreciable relative rotation between the telescoped end portions; and an axially split locking ring member coaxially threaded onto one of the end portions and having a gripping thread section disposed thereon and operative to engage the other end portion in a manner permitting the two end portions to be initially telescoped with one another but precluding their subsequent axial separation. This push-on coupling apparatus is representatively illustrated as being incorporated in a coil tubing splice member, on opposite ends of a tubular well completion device such as a landing nipple, and on a two piece push-together coupling structure used to operatively connect two tubular sand screen sections.

    摘要翻译： 使用特别设计的推压联接结构，两个管状井完井结构（例如一段长度的线圈管和管状联接构件）的相对的端部通过将其中一个端部推入而彼此固定和密封 另一端部。 联接结构包括由一个端部承载的O形密封件，用于在伸缩端部之间产生流体密封; 由所述端部中的一个承载的径向突起，并可接收在所述另一端部的侧壁槽中，用于防止所述伸缩端部之间的相对转动; 以及轴向分离的锁定环构件，其同轴地螺纹连接到一个端部上并且具有设置在其上的夹紧螺纹部分，并且以可允许两个端部彼此首先伸缩的方式操作以接合另一端部，但排除其随后的 轴向分离。 代表性地示出了这种推入式联接装置，其被结合在线圈管接头构件中，在诸如着陆接头之类的管状完井装置的相对端上，以及用于可操作地连接两个管状件 沙屏部分。