![一种分支井打捞工具](/CN/2015/2/177/images/201520888184.jpg)
基本信息:
- 专利标题: 一种分支井打捞工具
- 专利标题(英):Well fishing tool of branch
- 申请号:CN201520888184.X 申请日:2015-11-09
- 公开(公告)号:CN205225134U 公开(公告)日:2016-05-11
- 发明人: 张雪 , 李敏 , 尚宪飞 , 冷风承 , 郑伟 , 路遥 , 甄鹏鹏 , 吴彩雄 , 杜红艳 , 董建辉 , 李传鹏 , 何玉海
- 申请人: 中国石油集团长城钻探工程有限公司
- 申请人地址: 辽宁省盘锦市兴隆台区石油大街96号
- 专利权人: 中国石油集团长城钻探工程有限公司
- 当前专利权人: 中国石油集团长城钻探工程有限公司
- 当前专利权人地址: 辽宁省盘锦市兴隆台区石油大街96号
- 代理机构: 盘锦辽河专利代理有限责任公司
- 代理人: 王艳飞; 刘恩宏
- 主分类号: E21B31/18
- IPC分类号: E21B31/18
The utility model relates to an oil field multiple -limb well bores well workover technical field, in particular to well fishing tool of branch. The device's top connection, barrel and guide shoe be threaded connection in order, installing the switching -over pin on the barrel inner wall, and the switching -over pin inserts in the sliding sleeve outer wall guide rail and can follow the guide rail and slide, and the sliding sleeve lower extreme passes through slips pin joint slips, and the slips lower extreme is equipped with the spacer, and upward the spacer lower extreme is equipped with the sealing washer, and the sealing washer lower extreme is equipped with down the spacer, and lower spacer is arranged in on the guide shoe up end. The utility model discloses a both can salvage whipstock and wedge deflection tool, and also can be applicable to the salvage of well workover in -process fish, automatic switching salvages and release, and easy operation uses safe and reliable. It is little to have overcome current fishing tool application scope, uses that safe and reliable's not is not enough.
IPC结构图谱:
E | 固定建筑物 |
--E21 | 土层或岩石的钻进;采矿 |
----E21B | 土层或岩石的钻进;从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
------E21B31/00 | 在井眼或井中打捞或排除物体 |
--------E21B31/107 | .用冲击装置松脱被卡件,例如,振动器 |
----------E21B31/18 | ..从外部抓取,例如,打捞筒 |