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    Casing cutting and retrieving system
    1.
    发明授权
    Casing cutting and retrieving system 失效
    套管切割和检索系统

    公开(公告)号：US06029745A

    公开(公告)日：2000-02-29

    申请号：US10782

    申请日：1998-01-22

    申请人： Andre N. Broussard ,  Geoff O. Rouse ,  Richard Segura ,  Mark W. Schnitker ,  Shane P. Hart

    发明人： Andre N. Broussard ,  Geoff O. Rouse ,  Richard Segura ,  Mark W. Schnitker ,  Shane P. Hart

    IPC分类号： E21B31/16 ,  E21B31/18 ,  E21B29/00

    CPC分类号： E21B31/18 ,  E21B31/16

    摘要： A system has been invented for cutting wellbore casing and retrieving casing and a wellbore device connected thereto, the system, in one aspect, including engaging apparatus for releasably holding the wellbore device, casing cutting apparatus interconnected with and below the engaging apparatus for cutting casing in a wellbore, the wellbore device connected to the casing, and locking apparatus for selectively and releasably locking the engaging apparatus holding the wellbore device. In one aspect the engaging apparatus has one or more movable latching arms for releasably holding a wellbore device, e.g. but not limited to a wellhead and the arms are mounted below a top bonnet that holes therethrough so that the flushing of debris and/or cutting from the tops of the arms is facilitated. In one aspect, a drain sub is used to reduce flow to the casing cutter so that the circulation of debris and/or cuttings is inhibited.

    摘要翻译： 已经发明了一种用于切割井筒壳体和回收壳体的系统以及与其连接的井眼装置，该系统在一个方面包括用于可释放地保持井筒装置的接合装置，与用于切割壳体的接合装置互连的壳体切割装置 井眼，连接到壳体的井筒装置，以及用于选择性地和可释放地锁定保持井眼装置的接合装置的锁定装置。 在一个方面，接合装置具有一个或多个可移动的锁定臂，用于可释放地保持井眼装置，例如， 但不限于井口，并且臂被安装在穿过其的孔的顶盖的下方，从而便于从臂的顶部冲洗碎屑和/或切割。 在一个方面，使用排水管减少到套管切割器的流动，从而抑制碎屑和/或切屑的循环。

    Hook mill systems
    2.
    发明授权
    Hook mill systems 失效
    钩磨系统

    公开(公告)号：US6032740A

    公开(公告)日：2000-03-07

    申请号：US12337

    申请日：1998-01-23

    申请人： Mark W. Schnitker ,  Andre N. Broussard ,  Jack Dunson ,  Patrick Williamson

    发明人： Mark W. Schnitker ,  Andre N. Broussard ,  Jack Dunson ,  Patrick Williamson

    IPC分类号： E21B29/06 ,  E21B7/08

    CPC分类号： E21B29/06

    摘要： A wellbore mill system having a first mill with a main body with a top end and a bottom end, milling structure on the main body, and a hook portion projecting from the bottom end of the main body for supporting at least one member below the first mill, the hook portion having a lip. One such system has a whipstock having a top lug, the top lug resting on the lip of the hook portion of the first mill, the top lug having a hole therethrough, the hook portion of the main body of the first mill having a hole therethrough, a shear stud with a portion extending through the hole in the top lug and a portion extending through the hole in the hook portion thereby releasably securing the first mill to the whipstock.

    摘要翻译： 一种井眼磨机系统，具有具有主体的第一研磨机，其具有顶端和底端，主体上的铣削结构，以及从主体的底端突出的钩部，用于将至少一个构件支撑在第一 研磨机，钩部分具有唇缘。 一个这样的系统具有一个具有顶部凸缘的造斜器，顶部凸耳位于第一台铣床的钩部分的唇缘上，顶部凸耳具有穿过其中的孔，第一台铣床的主体的钩部分具有穿过其中的孔 ，具有延伸穿过顶部凸耳中的孔的部分的剪力螺柱和延伸穿过钩部分中的孔的部分，从而将第一磨机可释放地固定到造斜器。