CN203756040U - 一种双台阶自锁随钻扩眼器刀翼 - Google Patents
一种双台阶自锁随钻扩眼器刀翼 Download PDFInfo
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- CN203756040U CN203756040U CN201320881810.3U CN201320881810U CN203756040U CN 203756040 U CN203756040 U CN 203756040U CN 201320881810 U CN201320881810 U CN 201320881810U CN 203756040 U CN203756040 U CN 203756040U
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CN201320881810.3U CN203756040U (zh) | 2013-12-31 | 2013-12-31 | 一种双台阶自锁随钻扩眼器刀翼 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104499944A (zh) * | 2014-11-26 | 2015-04-08 | 西安泾渭超硬材料有限公司 | 一种金刚石复合片扩孔器 |
CN104747086A (zh) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | 一种双台阶自锁随钻扩眼器刀翼 |
CN108533180A (zh) * | 2018-04-24 | 2018-09-14 | 中国海洋石油集团有限公司 | 一种钻井工程用随钻划眼器及划眼方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104747086A (zh) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | 一种双台阶自锁随钻扩眼器刀翼 |
CN104499944A (zh) * | 2014-11-26 | 2015-04-08 | 西安泾渭超硬材料有限公司 | 一种金刚石复合片扩孔器 |
CN104499944B (zh) * | 2014-11-26 | 2017-09-22 | 西安泾渭超硬材料有限公司 | 一种金刚石复合片扩孔器 |
CN108533180A (zh) * | 2018-04-24 | 2018-09-14 | 中国海洋石油集团有限公司 | 一种钻井工程用随钻划眼器及划眼方法 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20151118 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201231 |
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CF01 | Termination of patent right due to non-payment of annual fee |