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1. 发明授权

US4545431A Wireline set/tubing retrieve packer type bridge plug 失效
标题翻译：电缆套管/油管检索封隔器型桥塞
公开(公告)号：US4545431A
公开(公告)日：1985-10-08
申请号：US613663
申请日：1984-05-23
申请人： William M. Fore
发明人： William M. Fore
IPC分类号： E21B23/06 , E21B33/129 , E21B33/134
CPC分类号： E21B23/06 , E21B33/1291 , E21B33/134
摘要： A packer type bridge plug for use in wells which may be set upon a wireline and retrieved upon a tubing string.
摘要翻译：用于井中的封隔器型桥塞，其可以设置在电缆上并在管柱上取回。

2. 发明授权

US4524825A Well packer 失效
标题翻译：好包装
公开(公告)号：US4524825A
公开(公告)日：1985-06-25
申请号：US557090
申请日：1983-12-01
申请人： William M. Fore
发明人： William M. Fore
IPC分类号： E21B33/129
CPC分类号： E21B33/1292
摘要： The packer of the present invention includes mandrel means having first ratchet means and lug means disposed thereon, second ratchet means and drag spring means associated with tubular housing means surrounding said mandrel means, said housing means including slot means on the interior thereof, radially expandable slip means disposed about said mandrel means, a compressible packer element disposed about the lower end of said mandrel means, and packer element compression means associated with said mandrel means and said housing means.
摘要翻译：本发明的封隔器包括具有第一棘轮装置和设置在其上的凸耳装置的心轴装置，第二棘轮装置和牵引弹簧装置，与围绕所述心轴装置的管状壳体装置相关联，所述壳体装置包括在其内部的狭槽装置，围绕所述心轴装置设置的装置，围绕所述心轴装置的下端设置的可压缩封隔器元件，以及与所述心轴装置和所述壳体装置相关联的封隔器元件压缩装置。

3. 发明授权

US4648446A Wireline set/tubing retrieve packer type bridge plug 失效
标题翻译：电缆套管/油管检索封隔器型桥塞
公开(公告)号：US4648446A
公开(公告)日：1987-03-10
申请号：US750557
申请日：1985-06-27
申请人： William M. Fore , Kenneth D. Caskey
发明人： William M. Fore , Kenneth D. Caskey
IPC分类号： E21B23/00 , E21B23/06 , E21B33/129 , E21B33/134
CPC分类号： E21B23/006 , E21B23/06 , E21B33/1293 , E21B33/134
摘要： A packer type bridge plug for use in wells which may be set upon a wireline and retrieved upon a tubing string. The retrieval of the bridge plug is facilitated by the positive retraction of the upper and lower wedge members from beneath the slips during the retrieval process.
摘要翻译：用于井中的封隔器型桥塞，其可以设置在电缆上并在管柱上取回。通过在检索过程中上下楔形构件从卡瓦下方的正向缩回来促进桥塞的取回。

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