CN105756593B - 一种不间断循环阀 - Google Patents
一种不间断循环阀 Download PDFInfo
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- CN105756593B CN105756593B CN201410787981.9A CN201410787981A CN105756593B CN 105756593 B CN105756593 B CN 105756593B CN 201410787981 A CN201410787981 A CN 201410787981A CN 105756593 B CN105756593 B CN 105756593B
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CN201410787981.9A CN105756593B (zh) | 2014-12-19 | 2014-12-19 | 一种不间断循环阀 |
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CN201410787981.9A CN105756593B (zh) | 2014-12-19 | 2014-12-19 | 一种不间断循环阀 |
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CN105756593A CN105756593A (zh) | 2016-07-13 |
CN105756593B true CN105756593B (zh) | 2019-03-08 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108999581A (zh) * | 2018-10-17 | 2018-12-14 | 长江大学 | 一种连续循环阀 |
CN114622848A (zh) * | 2021-06-02 | 2022-06-14 | 中国石油天然气集团有限公司 | 一种可转动的不间断循环装置及其使用方法、循环工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2436646Y (zh) * | 2000-07-11 | 2001-06-27 | 刘峰 | 双向扶正止回阀 |
CN102561995A (zh) * | 2012-01-17 | 2012-07-11 | 中国石油大学(华东) | 抗高温高压及耐腐蚀的井下浮阀 |
CN103046883A (zh) * | 2012-12-21 | 2013-04-17 | 成都欧迅海洋工程装备科技有限公司 | 一种适用于空气钻井的连续循环钻井工艺 |
CN204402410U (zh) * | 2014-12-19 | 2015-06-17 | 中石化胜利石油工程有限公司钻井工艺研究院 | 一种不间断循环阀 |
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US8627890B2 (en) * | 2007-07-27 | 2014-01-14 | Weatherford/Lamb, Inc. | Rotating continuous flow sub |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2436646Y (zh) * | 2000-07-11 | 2001-06-27 | 刘峰 | 双向扶正止回阀 |
CN102561995A (zh) * | 2012-01-17 | 2012-07-11 | 中国石油大学(华东) | 抗高温高压及耐腐蚀的井下浮阀 |
CN103046883A (zh) * | 2012-12-21 | 2013-04-17 | 成都欧迅海洋工程装备科技有限公司 | 一种适用于空气钻井的连续循环钻井工艺 |
CN204402410U (zh) * | 2014-12-19 | 2015-06-17 | 中石化胜利石油工程有限公司钻井工艺研究院 | 一种不间断循环阀 |
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Effective date of registration: 20230524 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 257017 No. 827, Beiyi Road, Dongying District, Dongying City, Shandong Province Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |