CN203531835U - 一种高温高压全通径剪销封隔器 - Google Patents
一种高温高压全通径剪销封隔器 Download PDFInfo
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CN201320663050.9U CN203531835U (zh) | 2013-10-25 | 2013-10-25 | 一种高温高压全通径剪销封隔器 |
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CN201320663050.9U CN203531835U (zh) | 2013-10-25 | 2013-10-25 | 一种高温高压全通径剪销封隔器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110043216A (zh) * | 2019-05-14 | 2019-07-23 | 淮安市井神钻采机具有限公司 | 一种抗高温高压多级压裂酸化封隔器 |
CN111911110A (zh) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | 地层测试用封隔器及采用其进行地层测试的方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110043216A (zh) * | 2019-05-14 | 2019-07-23 | 淮安市井神钻采机具有限公司 | 一种抗高温高压多级压裂酸化封隔器 |
CN110043216B (zh) * | 2019-05-14 | 2022-02-08 | 淮安市井神钻采机具有限公司 | 一种抗高温高压多级压裂酸化封隔器 |
CN111911110A (zh) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | 地层测试用封隔器及采用其进行地层测试的方法 |
CN111911110B (zh) * | 2020-08-13 | 2022-05-03 | 中国石油化工股份有限公司 | 地层测试用封隔器及采用其进行地层测试的方法 |
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Legal Events
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C14 | Grant of patent or utility model | ||
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20151203 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: DOWNHOLE OPERATION COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: DOWNHOLE OPERATION COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151025 |
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EXPY | Termination of patent right or utility model |