CN203655165U - 一种套管开窗钻头 - Google Patents
一种套管开窗钻头 Download PDFInfo
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- CN203655165U CN203655165U CN201320675412.6U CN201320675412U CN203655165U CN 203655165 U CN203655165 U CN 203655165U CN 201320675412 U CN201320675412 U CN 201320675412U CN 203655165 U CN203655165 U CN 203655165U
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- bit
- drill body
- conical surfaces
- windowing
- drill bit
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Application Number | Priority Date | Filing Date | Title |
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CN201320675412.6U CN203655165U (zh) | 2013-10-29 | 2013-10-29 | 一种套管开窗钻头 |
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CN201320675412.6U CN203655165U (zh) | 2013-10-29 | 2013-10-29 | 一种套管开窗钻头 |
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CN203655165U true CN203655165U (zh) | 2014-06-18 |
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CN201320675412.6U Withdrawn - After Issue CN203655165U (zh) | 2013-10-29 | 2013-10-29 | 一种套管开窗钻头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103556951A (zh) * | 2013-10-29 | 2014-02-05 | 中国石油化工股份有限公司 | 一种套管开窗钻头 |
CN105134118A (zh) * | 2015-07-22 | 2015-12-09 | 中国石油化工股份有限公司 | 一种连续油管切割工具串的切割方法 |
-
2013
- 2013-10-29 CN CN201320675412.6U patent/CN203655165U/zh not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103556951A (zh) * | 2013-10-29 | 2014-02-05 | 中国石油化工股份有限公司 | 一种套管开窗钻头 |
CN105134118A (zh) * | 2015-07-22 | 2015-12-09 | 中国石油化工股份有限公司 | 一种连续油管切割工具串的切割方法 |
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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: 20151207 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Drilling Research Institute of Zhongyuan Petroleum Engineering Co., Ltd. Sinopec |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20170517 |
|
AV01 | Patent right actively abandoned |