CN202338205U - 一种新型pdc钻头 - Google Patents
一种新型pdc钻头 Download PDFInfo
- Publication number
- CN202338205U CN202338205U CN2011204025419U CN201120402541U CN202338205U CN 202338205 U CN202338205 U CN 202338205U CN 2011204025419 U CN2011204025419 U CN 2011204025419U CN 201120402541 U CN201120402541 U CN 201120402541U CN 202338205 U CN202338205 U CN 202338205U
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- CN
- China
- Prior art keywords
- bit
- pdc bit
- novel pdc
- novel
- polycrystalline diamond
- 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 - Lifetime
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204025419U CN202338205U (zh) | 2011-10-21 | 2011-10-21 | 一种新型pdc钻头 |
Applications Claiming Priority (1)
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CN2011204025419U CN202338205U (zh) | 2011-10-21 | 2011-10-21 | 一种新型pdc钻头 |
Publications (1)
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CN202338205U true CN202338205U (zh) | 2012-07-18 |
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CN2011204025419U Expired - Lifetime CN202338205U (zh) | 2011-10-21 | 2011-10-21 | 一种新型pdc钻头 |
Country Status (1)
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CN (1) | CN202338205U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358522A (zh) * | 2014-11-06 | 2015-02-18 | 中国石油化工股份有限公司 | 适应于页岩气井页岩地层钻进的pdc钻头 |
-
2011
- 2011-10-21 CN CN2011204025419U patent/CN202338205U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358522A (zh) * | 2014-11-06 | 2015-02-18 | 中国石油化工股份有限公司 | 适应于页岩气井页岩地层钻进的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 |
Owner name: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANDONG LUHAI PETROLEUM EQUIPMENT CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 250000 North Road, middle of Beichen Road, Lingxian County Economic Development Zone, Dezhou, Shandong Patentee after: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO., LTD. Address before: 253500 North Road, middle of Beichen Road, Lingxian County Development Zone, Shandong Patentee before: Shandong Luhai Petroleum Equipment Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20120718 |
|
CX01 | Expiry of patent term |