CN102162338B - 一种旋挖机用自动脱销内芯钻杆 - Google Patents
一种旋挖机用自动脱销内芯钻杆 Download PDFInfo
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- CN102162338B CN102162338B CN 201110033608 CN201110033608A CN102162338B CN 102162338 B CN102162338 B CN 102162338B CN 201110033608 CN201110033608 CN 201110033608 CN 201110033608 A CN201110033608 A CN 201110033608A CN 102162338 B CN102162338 B CN 102162338B
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110033608 CN102162338B (zh) | 2011-01-23 | 2011-01-23 | 一种旋挖机用自动脱销内芯钻杆 |
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CN 201110033608 CN102162338B (zh) | 2011-01-23 | 2011-01-23 | 一种旋挖机用自动脱销内芯钻杆 |
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CN102162338A CN102162338A (zh) | 2011-08-24 |
CN102162338B true CN102162338B (zh) | 2013-06-12 |
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CN 201110033608 Expired - Fee Related CN102162338B (zh) | 2011-01-23 | 2011-01-23 | 一种旋挖机用自动脱销内芯钻杆 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2120174U (zh) * | 1992-05-22 | 1992-10-28 | 大港石油管理局第一采油厂 | 无螺纹抽油杆及其联头 |
US6712146B2 (en) * | 2001-11-30 | 2004-03-30 | Halliburton Energy Services, Inc. | Downhole assembly releasable connection |
EP1261801B1 (en) * | 2000-02-15 | 2007-01-03 | Halliburton Energy Services, Inc. | Recirculatable ball-drop release device for lateral oilwell drilling applications |
CN101144371A (zh) * | 2007-11-02 | 2008-03-19 | 大港油田集团有限责任公司 | 抽油杆连接装置 |
EP1907713A1 (en) * | 2005-07-14 | 2008-04-09 | Petrotools AS | A manual locking assembly for a quick connect coupling |
CN101482000A (zh) * | 2009-01-20 | 2009-07-15 | 杜洋 | 防止螺杆泵与抽油杆脱扣的装置 |
CN202090845U (zh) * | 2011-01-23 | 2011-12-28 | 郭振国 | 一种旋挖机用自动脱销内芯钻杆 |
-
2011
- 2011-01-23 CN CN 201110033608 patent/CN102162338B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2120174U (zh) * | 1992-05-22 | 1992-10-28 | 大港石油管理局第一采油厂 | 无螺纹抽油杆及其联头 |
EP1261801B1 (en) * | 2000-02-15 | 2007-01-03 | Halliburton Energy Services, Inc. | Recirculatable ball-drop release device for lateral oilwell drilling applications |
US6712146B2 (en) * | 2001-11-30 | 2004-03-30 | Halliburton Energy Services, Inc. | Downhole assembly releasable connection |
EP1907713A1 (en) * | 2005-07-14 | 2008-04-09 | Petrotools AS | A manual locking assembly for a quick connect coupling |
CN101144371A (zh) * | 2007-11-02 | 2008-03-19 | 大港油田集团有限责任公司 | 抽油杆连接装置 |
CN101482000A (zh) * | 2009-01-20 | 2009-07-15 | 杜洋 | 防止螺杆泵与抽油杆脱扣的装置 |
CN202090845U (zh) * | 2011-01-23 | 2011-12-28 | 郭振国 | 一种旋挖机用自动脱销内芯钻杆 |
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CN102162338A (zh) | 2011-08-24 |
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C53 | Correction of patent for invention or patent application | ||
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Inventor after: Guo Nacheng Inventor after: Gong Xiuling Inventor after: Guo Zhenguo Inventor before: Guo Zhenguo Inventor before: Guo Nacheng |
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Free format text: CORRECT: INVENTOR; FROM: GUO ZHENGUO GUO NACHENG TO: GUO NACHENG GONG XIULING GUO ZHENGUO |
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C14 | Grant of patent or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Guo Nacheng Inventor after: Gong Xiuling Inventor after: Zhi Shougen Inventor after: Cui Chengrui Inventor after: Guo Zhenguo Inventor before: Guo Nacheng Inventor before: Gong Xiuling Inventor before: Guo Zhenguo |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GUO NACHENG GONG XIULING GUO ZHENGUO TO: GUO NACHENG GONG XIULING ZHI SHOUGEN CUI CHENGRUI GUO ZHENGUO |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20210123 |
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CF01 | Termination of patent right due to non-payment of annual fee |