CN203362042U - 一种低钻进阻力pdc钻头 - Google Patents
一种低钻进阻力pdc钻头 Download PDFInfo
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- CN203362042U CN203362042U CN 201320421512 CN201320421512U CN203362042U CN 203362042 U CN203362042 U CN 203362042U CN 201320421512 CN201320421512 CN 201320421512 CN 201320421512 U CN201320421512 U CN 201320421512U CN 203362042 U CN203362042 U CN 203362042U
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- drill bit
- wing
- pdc
- blades
- drilling
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Application Number | Priority Date | Filing Date | Title |
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CN 201320421512 CN203362042U (zh) | 2013-07-16 | 2013-07-16 | 一种低钻进阻力pdc钻头 |
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CN 201320421512 CN203362042U (zh) | 2013-07-16 | 2013-07-16 | 一种低钻进阻力pdc钻头 |
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CN203362042U true CN203362042U (zh) | 2013-12-25 |
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CN 201320421512 Expired - Fee Related CN203362042U (zh) | 2013-07-16 | 2013-07-16 | 一种低钻进阻力pdc钻头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835655A (zh) * | 2014-02-28 | 2014-06-04 | 成都大漠石油机械有限公司 | 一种低阻力pdc钻头 |
CN103835656A (zh) * | 2014-02-28 | 2014-06-04 | 成都大漠石油机械有限公司 | 岩屑不易堵塞的pdc钻头 |
-
2013
- 2013-07-16 CN CN 201320421512 patent/CN203362042U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835655A (zh) * | 2014-02-28 | 2014-06-04 | 成都大漠石油机械有限公司 | 一种低阻力pdc钻头 |
CN103835656A (zh) * | 2014-02-28 | 2014-06-04 | 成都大漠石油机械有限公司 | 岩屑不易堵塞的pdc钻头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: Jianghan Petroleum Drilling Bit Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180307 Address after: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: KINGDREAM PLC Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: SINOPEC OILFIELD EQUIPMENT Corp. |
|
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: 20131225 Termination date: 20210716 |