CN208619080U - 一种可溶桥塞多片组合变径的新型结构 - Google Patents
一种可溶桥塞多片组合变径的新型结构 Download PDFInfo
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111441741A (zh) * | 2020-05-08 | 2020-07-24 | 中国石油天然气集团有限公司 | 一种可溶可泵开式暂堵桥塞工具及使用方法 |
CN113090227A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油天然气股份有限公司 | 一种多层快溶压裂管柱 |
CN113107413A (zh) * | 2020-01-09 | 2021-07-13 | 中国石油天然气股份有限公司 | 一种分体式全金属密封装置 |
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2018
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113090227A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油天然气股份有限公司 | 一种多层快溶压裂管柱 |
CN113107413A (zh) * | 2020-01-09 | 2021-07-13 | 中国石油天然气股份有限公司 | 一种分体式全金属密封装置 |
CN113107413B (zh) * | 2020-01-09 | 2022-06-03 | 中国石油天然气股份有限公司 | 一种分体式全金属密封装置 |
CN113090227B (zh) * | 2020-01-09 | 2022-07-05 | 中国石油天然气股份有限公司 | 一种多层快溶压裂管柱 |
CN111441741A (zh) * | 2020-05-08 | 2020-07-24 | 中国石油天然气集团有限公司 | 一种可溶可泵开式暂堵桥塞工具及使用方法 |
CN111441741B (zh) * | 2020-05-08 | 2023-09-29 | 中国石油天然气集团有限公司 | 一种可溶可泵开式暂堵桥塞工具及使用方法 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new structure of multi piece combined reducing diameter of soluble bridge plug Effective date of registration: 20210910 Granted publication date: 20190319 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN WELL-GOOD ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021990000818 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211021 Granted publication date: 20190319 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN WELL-GOOD ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021990000818 |