CN202788699U - 分级注水泥固井滑套打开工具 - Google Patents
分级注水泥固井滑套打开工具 Download PDFInfo
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- CN202788699U CN202788699U CN 201220376893 CN201220376893U CN202788699U CN 202788699 U CN202788699 U CN 202788699U CN 201220376893 CN201220376893 CN 201220376893 CN 201220376893 U CN201220376893 U CN 201220376893U CN 202788699 U CN202788699 U CN 202788699U
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- Prior art keywords
- locating piece
- sliding sleeve
- well cementing
- central tube
- opening tool
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220376893 CN202788699U (zh) | 2012-08-01 | 2012-08-01 | 分级注水泥固井滑套打开工具 |
Applications Claiming Priority (1)
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CN 201220376893 CN202788699U (zh) | 2012-08-01 | 2012-08-01 | 分级注水泥固井滑套打开工具 |
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CN202788699U true CN202788699U (zh) | 2013-03-13 |
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CN 201220376893 Expired - Lifetime CN202788699U (zh) | 2012-08-01 | 2012-08-01 | 分级注水泥固井滑套打开工具 |
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CN (1) | CN202788699U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748327A (zh) * | 2019-11-15 | 2020-02-04 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | 一种固定式井下节流器 |
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2012
- 2012-08-01 CN CN 201220376893 patent/CN202788699U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748327A (zh) * | 2019-11-15 | 2020-02-04 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | 一种固定式井下节流器 |
CN110748327B (zh) * | 2019-11-15 | 2020-08-18 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | 一种固定式井下节流器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING PETROSTAR OIL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CAI WANWEI Effective date: 20130523 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130523 Address after: 102200, Beijing, Changping District, super Road, a front No. 6, building 1, 201 Patentee after: BEIJING PETROSTAR OIL TECHNOLOGY Co.,Ltd. Address before: 102200, Beijing, Changping, Changping District science and Technology Park, super Road 1, building No. 6, Room 201, room 2 Patentee before: Cai Wanwei |
|
CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
CX01 | Expiry of patent term |