CN204716199U - 井下油管径向单流阀 - Google Patents
井下油管径向单流阀 Download PDFInfo
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- CN204716199U CN204716199U CN201520376197.9U CN201520376197U CN204716199U CN 204716199 U CN204716199 U CN 204716199U CN 201520376197 U CN201520376197 U CN 201520376197U CN 204716199 U CN204716199 U CN 204716199U
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108915628A (zh) * | 2018-09-16 | 2018-11-30 | 山东巨辉石油科技有限公司 | 井下螺杆钻具防卡装置 |
CN110566153A (zh) * | 2019-09-26 | 2019-12-13 | 中海油能源发展股份有限公司工程技术分公司 | 可双向开启储层保护装置 |
CN110671064A (zh) * | 2019-10-30 | 2020-01-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种油井冲砂返出液截止阀及其使用方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108915628A (zh) * | 2018-09-16 | 2018-11-30 | 山东巨辉石油科技有限公司 | 井下螺杆钻具防卡装置 |
CN110566153A (zh) * | 2019-09-26 | 2019-12-13 | 中海油能源发展股份有限公司工程技术分公司 | 可双向开启储层保护装置 |
CN110671064A (zh) * | 2019-10-30 | 2020-01-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | 一种油井冲砂返出液截止阀及其使用方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181129 Address after: 225300 Wuliqiao Trial Production Brigade Complex Building, Taizhou Development Zone, Jiangsu Province Patentee after: Taizhou Youheng Oil and Gas Engineering Service Co., Ltd. Address before: 225300 South Passage 99, Hailing District, Taizhou City, Jiangsu Province Patentee before: SINOPEC East China Branch Oil Production Plant |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210901 Address after: 225300 South Passage 99, Hailing District, Taizhou City, Jiangsu Province Patentee after: TAIZHOU OIL PRODUCTION PLANT, CHINA PETROLEUM & CHEMICAL CORPORATION EAST CHINA OIL & GAS Co. Address before: 225300 Wuliqiao Trial Production Brigade Complex Building, Taizhou Development Zone, Jiangsu Province Patentee before: Taizhou Youheng Oil and Gas Engineering Service Co.,Ltd. |
|
TR01 | Transfer of patent right |