CN101408091A - 一种钢齿牙轮钻头 - Google Patents
一种钢齿牙轮钻头 Download PDFInfo
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- CN101408091A CN101408091A CNA2008101979199A CN200810197919A CN101408091A CN 101408091 A CN101408091 A CN 101408091A CN A2008101979199 A CNA2008101979199 A CN A2008101979199A CN 200810197919 A CN200810197919 A CN 200810197919A CN 101408091 A CN101408091 A CN 101408091A
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- tooth
- steel
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008101979199A CN101408091B (zh) | 2008-11-26 | 2008-11-26 | 一种钢齿牙轮钻头 |
Applications Claiming Priority (1)
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CN2008101979199A CN101408091B (zh) | 2008-11-26 | 2008-11-26 | 一种钢齿牙轮钻头 |
Publications (2)
Publication Number | Publication Date |
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CN101408091A true CN101408091A (zh) | 2009-04-15 |
CN101408091B CN101408091B (zh) | 2012-07-25 |
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CN2008101979199A Active CN101408091B (zh) | 2008-11-26 | 2008-11-26 | 一种钢齿牙轮钻头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102704853A (zh) * | 2012-06-21 | 2012-10-03 | 四川深远石油钻井工具有限公司 | 钻进比压可控的模块切削齿 |
CN103556952A (zh) * | 2013-11-15 | 2014-02-05 | 成都百施特金刚石钻头有限公司 | 一种旋转齿钻头 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743038A (en) * | 1971-11-23 | 1973-07-03 | Sun Oil Co | Drill bit |
CN2709633Y (zh) * | 2004-06-21 | 2005-07-13 | 江汉石油钻头股份有限公司 | 一种齿部强化的铣齿牙轮 |
-
2008
- 2008-11-26 CN CN2008101979199A patent/CN101408091B/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102704853A (zh) * | 2012-06-21 | 2012-10-03 | 四川深远石油钻井工具有限公司 | 钻进比压可控的模块切削齿 |
CN102704853B (zh) * | 2012-06-21 | 2015-07-15 | 四川深远石油钻井工具股份有限公司 | 钻进比压可控的模块切削齿 |
CN103556952A (zh) * | 2013-11-15 | 2014-02-05 | 成都百施特金刚石钻头有限公司 | 一种旋转齿钻头 |
CN103556952B (zh) * | 2013-11-15 | 2015-07-15 | 成都百施特金刚石钻头有限公司 | 一种旋转齿钻头 |
Also Published As
Publication number | Publication date |
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CN101408091B (zh) | 2012-07-25 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
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 CORPORATION Address before: 430223 Hubei city of Wuhan province East Lake high tech Development Zone Miaoshan Kingdream company Patentee before: Jianghan Petroleum Drilling Bit Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180223 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 CORPORATION Patentee after: Kingdream Sinopec Petroleum Machinery Co. Ltd. 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 CORPORATION |
|
TR01 | Transfer of patent right |