CN207436971U - 高压连续循环阀及高压连续循环装置 - Google Patents
高压连续循环阀及高压连续循环装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110485954A (zh) * | 2019-08-09 | 2019-11-22 | 张作阳 | 钻井泥浆连续循环工艺及设备 |
CN114961605A (zh) * | 2022-06-02 | 2022-08-30 | 中海石油(中国)有限公司湛江分公司 | 一种液压启闭的循环阀 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110485954A (zh) * | 2019-08-09 | 2019-11-22 | 张作阳 | 钻井泥浆连续循环工艺及设备 |
CN110485954B (zh) * | 2019-08-09 | 2024-04-05 | 盘锦广拓石油技术有限公司 | 钻井泥浆连续循环工艺及设备 |
CN114961605A (zh) * | 2022-06-02 | 2022-08-30 | 中海石油(中国)有限公司湛江分公司 | 一种液压启闭的循环阀 |
CN114961605B (zh) * | 2022-06-02 | 2023-07-18 | 中海石油(中国)有限公司湛江分公司 | 一种液压启闭的循环阀 |
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Effective date of registration: 20210420 Address after: 124010 1004, 10th floor, Xinyu hotel apartment, 77 Shuangxing Middle Road, Xinglongtai District, Panjin City, Liaoning Province Patentee after: Liaoning Huaye Energy Technology Service Co.,Ltd. Address before: 124010 Taiping community, Ping'an Street, Xinglongtai District, Panjin, Liaoning, 20-4-201 Patentee before: Liu Dongzhen Patentee before: Gao Zhiwen Patentee before: Dai Min |
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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: 20180601 Termination date: 20211120 |