CN203756028U - Half-rotation tool of drilling string - Google Patents
Half-rotation tool of drilling string Download PDFInfo
- Publication number
- CN203756028U CN203756028U CN201320881803.3U CN201320881803U CN203756028U CN 203756028 U CN203756028 U CN 203756028U CN 201320881803 U CN201320881803 U CN 201320881803U CN 203756028 U CN203756028 U CN 203756028U
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- CN
- China
- Prior art keywords
- half way
- way rotation
- shaft
- rotation
- keyway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320881803.3U CN203756028U (en) | 2013-12-31 | 2013-12-31 | Half-rotation tool of drilling string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320881803.3U CN203756028U (en) | 2013-12-31 | 2013-12-31 | Half-rotation tool of drilling string |
Publications (1)
Publication Number | Publication Date |
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CN203756028U true CN203756028U (en) | 2014-08-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320881803.3U Expired - Fee Related CN203756028U (en) | 2013-12-31 | 2013-12-31 | Half-rotation tool of drilling string |
Country Status (1)
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CN (1) | CN203756028U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104747073A (en) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | Drill stem (tubular pile) halfway rotating tool |
CN106150393A (en) * | 2015-04-15 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of rotatable drill stem type slipping drilling pipe nipple |
CN106382104A (en) * | 2016-12-02 | 2017-02-08 | 贵州高峰石油机械股份有限公司 | Spline anti-suppression and drag-reduction structure of drill column rotating head and method |
CN107322532A (en) * | 2017-07-21 | 2017-11-07 | 国网北京市电力公司 | Switch cart operation instrument |
-
2013
- 2013-12-31 CN CN201320881803.3U patent/CN203756028U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104747073A (en) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | Drill stem (tubular pile) halfway rotating tool |
CN106150393A (en) * | 2015-04-15 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of rotatable drill stem type slipping drilling pipe nipple |
CN106150393B (en) * | 2015-04-15 | 2018-04-20 | 中国石油化工股份有限公司 | A kind of rotatable drill stem type slipping drilling pipe nipple |
CN106382104A (en) * | 2016-12-02 | 2017-02-08 | 贵州高峰石油机械股份有限公司 | Spline anti-suppression and drag-reduction structure of drill column rotating head and method |
CN107322532A (en) * | 2017-07-21 | 2017-11-07 | 国网北京市电力公司 | Switch cart operation instrument |
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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: 20151119 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201231 |