CN103032040B - 一种适用于空气钻井的连续循环短接 - Google Patents
一种适用于空气钻井的连续循环短接 Download PDFInfo
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- CN103032040B CN103032040B CN201210561458.5A CN201210561458A CN103032040B CN 103032040 B CN103032040 B CN 103032040B CN 201210561458 A CN201210561458 A CN 201210561458A CN 103032040 B CN103032040 B CN 103032040B
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CN201210561458.5A CN103032040B (zh) | 2012-12-21 | 2012-12-21 | 一种适用于空气钻井的连续循环短接 |
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CN201210561458.5A CN103032040B (zh) | 2012-12-21 | 2012-12-21 | 一种适用于空气钻井的连续循环短接 |
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CN103032040A CN103032040A (zh) | 2013-04-10 |
CN103032040B true CN103032040B (zh) | 2015-12-02 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103485730A (zh) * | 2013-10-11 | 2014-01-01 | 长江大学 | 一种不间断空气钻井循环短节 |
CN104153733A (zh) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | 连续循环钻井系统 |
CN111434881A (zh) * | 2019-01-15 | 2020-07-21 | 中国石油天然气股份有限公司 | 单流阀 |
CN111794681B (zh) * | 2020-07-17 | 2022-02-22 | 中煤科工集团西安研究院有限公司 | 中心通孔可开闭式高低压切换装置 |
CN114622864A (zh) * | 2021-11-03 | 2022-06-14 | 中国石油天然气集团有限公司 | 适合用于充气钻井的连续循环阀、钻井系统及工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN88101275A (zh) * | 1987-03-11 | 1988-10-19 | 采油工具公司 | 密封装置 |
CN201651437U (zh) * | 2010-03-31 | 2010-11-24 | 温州纳川阀门有限公司 | 一种密封旋启式止回阀 |
CN102226382A (zh) * | 2011-05-19 | 2011-10-26 | 深圳市远东石油钻采工程有限公司 | 一种石油钻井用不间断循环短接及其连续循环泥浆方法 |
CN202195119U (zh) * | 2011-07-01 | 2012-04-18 | 铜陵万通阀门有限公司 | 对夹式圆片止回阀 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US6561521B2 (en) * | 2001-03-27 | 2003-05-13 | Fmc Technologies, Inc. | Metal-to-metal seal with soft metal insert |
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- 2012-12-21 CN CN201210561458.5A patent/CN103032040B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN88101275A (zh) * | 1987-03-11 | 1988-10-19 | 采油工具公司 | 密封装置 |
CN201651437U (zh) * | 2010-03-31 | 2010-11-24 | 温州纳川阀门有限公司 | 一种密封旋启式止回阀 |
CN102226382A (zh) * | 2011-05-19 | 2011-10-26 | 深圳市远东石油钻采工程有限公司 | 一种石油钻井用不间断循环短接及其连续循环泥浆方法 |
CN202195119U (zh) * | 2011-07-01 | 2012-04-18 | 铜陵万通阀门有限公司 | 对夹式圆片止回阀 |
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Address after: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610017 5 Building No. 2 Room 501 Patentee after: CHENGDU OUXUN TECHNOLOGY CO., LTD. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province in 610017 B No. 5 Room 201 Patentee before: Chengdu Ouxun Ocean Engineering Equipment Technology Co., Ltd. |
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Address after: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 5 Building No. 2 Room 501 Patentee after: CHENGDU OUXUN TECHNOLOGY CO., LTD. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610017 5 Building No. 2 Room 501 Patentee before: CHENGDU OUXUN TECHNOLOGY CO., LTD. |
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Effective date of registration: 20200721 Address after: 620564 Renshou Economic Development Zone, Renshou County, Sichuan, Meishan Patentee after: SICHUAN OUXUN ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 5 Building No. 2 Room 501 Patentee before: CHENGDU OUXUN TECHNOLOGY Co.,Ltd. |
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