CN203756060U - 一种用于分支井回接分支井眼的自动回接装置 - Google Patents
一种用于分支井回接分支井眼的自动回接装置 Download PDFInfo
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CN104747094A (zh) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | 一种用于分支井回接分支井眼的自动回接装置 |
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CN104747094A (zh) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | 一种用于分支井回接分支井眼的自动回接装置 |
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Effective date of registration: 20151120 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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201231 |