CN202417310U - 分支井开窗侧钻用空心斜向器 - Google Patents
分支井开窗侧钻用空心斜向器 Download PDFInfo
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- CN202417310U CN202417310U CN2011205613901U CN201120561390U CN202417310U CN 202417310 U CN202417310 U CN 202417310U CN 2011205613901 U CN2011205613901 U CN 2011205613901U CN 201120561390 U CN201120561390 U CN 201120561390U CN 202417310 U CN202417310 U CN 202417310U
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Application Number | Priority Date | Filing Date | Title |
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CN2011205613901U CN202417310U (zh) | 2011-12-29 | 2011-12-29 | 分支井开窗侧钻用空心斜向器 |
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CN2011205613901U CN202417310U (zh) | 2011-12-29 | 2011-12-29 | 分支井开窗侧钻用空心斜向器 |
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CN202417310U true CN202417310U (zh) | 2012-09-05 |
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CN2011205613901U Expired - Fee Related CN202417310U (zh) | 2011-12-29 | 2011-12-29 | 分支井开窗侧钻用空心斜向器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418478A (zh) * | 2011-12-29 | 2012-04-18 | 中国海洋石油总公司 | 分支井开窗侧钻用空心斜向器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418478A (zh) * | 2011-12-29 | 2012-04-18 | 中国海洋石油总公司 | 分支井开窗侧钻用空心斜向器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161220 Address after: 100010 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20181229 |
|
CF01 | Termination of patent right due to non-payment of annual fee |