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1. 发明授权

US4410051A System and apparatus for orienting a well casing perforating gun 失效
标题翻译：用于定向井套管穿孔枪的系统和装置
公开(公告)号：US4410051A
公开(公告)日：1983-10-18
申请号：US238907
申请日：1981-02-27
申请人： Wilbur L. Daniel , Eugene J. Linyaev , Arnold M. Walkow , Gregory J. Wilkinson
发明人： Wilbur L. Daniel , Eugene J. Linyaev , Arnold M. Walkow , Gregory J. Wilkinson
IPC分类号： E21B43/1185 , E21B43/119 , E21B43/117
CPC分类号： E21B43/1185 , E21B43/119
摘要： A system for orienting a well casing perforating gun for utilization in wells having multiple tubing strings wherein it is desired to perforate the well casing in a zone other than the deepest production zone of the well and includes a hoist and associated apparatus for moving the perforating apparatus through the well and actuating the perforating gun. The perforating apparatus includes an elongated housing supportable on a cable, rollers on the exterior of the housing to support it on the interior of the well casing and/or tubing, the casing perforating gun, an orienting apparatus operable to orient the perforating gun relative to a string of tubing within the casing, a swivel within the housing to permit rotating motion of the lower portion of the housing relative to an upper portion of the housing, and an eccentric weight below the swivel to assist in positioning and aligning the casing perforating gun to the desired position.
摘要翻译：一种用于定向井套管穿孔枪的系统，用于具有多个管柱的井中，其中期望在井的最深生产区域之外的区域中穿孔井套，并且包括用于移动穿孔装置的提升机和相关联的装置通过井并致动穿孔枪。穿孔装置包括可在电缆上支撑的细长壳体，壳体外部的辊，以将其支撑在井套管和/或管道的内部，套管穿孔枪，定向装置，可操作以使射孔枪相对于壳体内的一排管，在壳体内的旋转件，以允许壳体的下部相对于壳体的上部的旋转运动，以及在旋转件下方的偏心重块，以帮助定位和对准套管穿孔枪到期望的位置。

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