CN203891773U - 一种高性能六刀翼pdc钻头 - Google Patents
一种高性能六刀翼pdc钻头 Download PDFInfo
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- CN203891773U CN203891773U CN201420229405.8U CN201420229405U CN203891773U CN 203891773 U CN203891773 U CN 203891773U CN 201420229405 U CN201420229405 U CN 201420229405U CN 203891773 U CN203891773 U CN 203891773U
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- wing
- main cutting
- bit
- cutting tooth
- drill bits
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229405.8U CN203891773U (zh) | 2014-05-06 | 2014-05-06 | 一种高性能六刀翼pdc钻头 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229405.8U CN203891773U (zh) | 2014-05-06 | 2014-05-06 | 一种高性能六刀翼pdc钻头 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203891773U true CN203891773U (zh) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229405.8U Expired - Lifetime CN203891773U (zh) | 2014-05-06 | 2014-05-06 | 一种高性能六刀翼pdc钻头 |
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| CN (1) | CN203891773U (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370212A (zh) * | 2015-12-08 | 2016-03-02 | 大庆天瑞机械制造有限公司 | 防涡动聚晶金刚石复合片钻头 |
| CN105422009A (zh) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | 四刀翼聚晶金刚石复合片钻头 |
| CN115749616A (zh) * | 2022-12-13 | 2023-03-07 | 沧州格锐特钻头有限公司 | 高效节能型pdc钻头 |
-
2014
- 2014-05-06 CN CN201420229405.8U patent/CN203891773U/zh not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370212A (zh) * | 2015-12-08 | 2016-03-02 | 大庆天瑞机械制造有限公司 | 防涡动聚晶金刚石复合片钻头 |
| CN105422009A (zh) * | 2015-12-08 | 2016-03-23 | 大庆天瑞机械制造有限公司 | 四刀翼聚晶金刚石复合片钻头 |
| CN105422009B (zh) * | 2015-12-08 | 2017-08-29 | 大庆天瑞机械制造有限公司 | 四刀翼聚晶金刚石复合片钻头 |
| CN115749616A (zh) * | 2022-12-13 | 2023-03-07 | 沧州格锐特钻头有限公司 | 高效节能型pdc钻头 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: SHENZHEN BRANCH OF CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: SHEENSTONE (SHENZHEN) OIL TOOLS Co.,Ltd. Address before: China CNOOC Building No. 25 Beijing 100010 Dongcheng District Chaoyangmen North Street China CNOOC Oil Corporation, the Ministry of science and technology development Co-patentee before: SHENZHEN BRANCH OF CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: SHEENSTONE (SHENZHEN) OIL TOOLS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |