CN203584350U - 一种反循环套铣筒 - Google Patents
一种反循环套铣筒 Download PDFInfo
- Publication number
- CN203584350U CN203584350U CN201320668969.7U CN201320668969U CN203584350U CN 203584350 U CN203584350 U CN 203584350U CN 201320668969 U CN201320668969 U CN 201320668969U CN 203584350 U CN203584350 U CN 203584350U
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- Prior art keywords
- circulation
- casing milling
- cylindrical shell
- cyclic
- hole
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320668969.7U CN203584350U (zh) | 2013-10-29 | 2013-10-29 | 一种反循环套铣筒 |
Applications Claiming Priority (1)
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CN201320668969.7U CN203584350U (zh) | 2013-10-29 | 2013-10-29 | 一种反循环套铣筒 |
Publications (1)
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CN203584350U true CN203584350U (zh) | 2014-05-07 |
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CN201320668969.7U Expired - Fee Related CN203584350U (zh) | 2013-10-29 | 2013-10-29 | 一种反循环套铣筒 |
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CN (1) | CN203584350U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107724979A (zh) * | 2017-11-01 | 2018-02-23 | 中石化石油工程技术服务有限公司 | 反循环冲砂器 |
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2013
- 2013-10-29 CN CN201320668969.7U patent/CN203584350U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107724979A (zh) * | 2017-11-01 | 2018-02-23 | 中石化石油工程技术服务有限公司 | 反循环冲砂器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151126 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Down-hole job that requires special skills company of Central Plains petroleum works Co., Ltd of China Petrochemical Industry Address before: 100728, No. 22 North Street, Chaoyang Gate, Beijing, Chaoyang District Patentee before: China Petrochemical Group Corp. Patentee before: Down-hole job that requires special skills company of Central Plains petroleum works Co., Ltd of China Petrochemical Industry |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181029 |
|
CF01 | Termination of patent right due to non-payment of annual fee |