CN103148245B - 多功能电控泄压装置及其电控系统和电控方法 - Google Patents
多功能电控泄压装置及其电控系统和电控方法 Download PDFInfo
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- CN103148245B CN103148245B CN201310077963.7A CN201310077963A CN103148245B CN 103148245 B CN103148245 B CN 103148245B CN 201310077963 A CN201310077963 A CN 201310077963A CN 103148245 B CN103148245 B CN 103148245B
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- decompression valves
- valve
- standpipe
- pressure release
- way valve
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CN201310077963.7A CN103148245B (zh) | 2013-03-12 | 2013-03-12 | 多功能电控泄压装置及其电控系统和电控方法 |
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CN201310077963.7A CN103148245B (zh) | 2013-03-12 | 2013-03-12 | 多功能电控泄压装置及其电控系统和电控方法 |
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CN103148245A CN103148245A (zh) | 2013-06-12 |
CN103148245B true CN103148245B (zh) | 2015-05-20 |
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CN201310077963.7A Expired - Fee Related CN103148245B (zh) | 2013-03-12 | 2013-03-12 | 多功能电控泄压装置及其电控系统和电控方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105972250B (zh) * | 2016-07-04 | 2018-03-13 | 中国石油集团渤海钻探工程有限公司 | 泥浆当量密度控制阀 |
CN106194028A (zh) * | 2016-08-31 | 2016-12-07 | 四川鹦鹉螺工业设备运行管理有限公司 | 一种气体钻井泄压方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4406292B2 (ja) * | 2004-01-20 | 2010-01-27 | 株式会社フジキン | 流体通路のウォータハンマーレス開放方法及びこれを用いたウォータハンマーレス開放装置 |
CN100425797C (zh) * | 2005-08-05 | 2008-10-15 | 何建辉 | 井口安全阀控制装置 |
CN101042043A (zh) * | 2006-03-24 | 2007-09-26 | 中国石油天然气集团公司 | 一种实施欠平衡钻井作业的方法 |
CN201078508Y (zh) * | 2007-07-20 | 2008-06-25 | 孙力 | 变频式智能型阀门电动机构 |
JP5013493B2 (ja) * | 2010-03-04 | 2012-08-29 | オムロン株式会社 | バルブ制御システムおよびバルブ制御方法 |
CN201747313U (zh) * | 2010-09-02 | 2011-02-16 | 中国石油化工股份有限公司 | 高压油气井安全控制装置 |
CN202280900U (zh) * | 2011-10-24 | 2012-06-20 | 成都宏天电传工程有限公司 | 阀门控制系统 |
CN202451890U (zh) * | 2011-11-20 | 2012-09-26 | 项光平 | 智能换向阀阀阵 |
CN102889413B (zh) * | 2012-10-21 | 2014-02-12 | 上海恳工自动化设备有限公司 | 阀用冗余型执行器智能电气控制系统及控制方法 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 618300, Yuxi Road, Guanghan City, Sichuan Province, Deyang two Patentee after: Sichuan Guanghan Valve Factory Co., Ltd. Address before: 618300, Yuxi Road, Guanghan City, Sichuan Province, Deyang two Patentee before: Sichuan Guanghan Valve Factory |
|
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 invention: Multifunctional electric control pressure release device, as well as electric control system and electric control method thereof Effective date of registration: 20170816 Granted publication date: 20150520 Pledgee: Guanghan Sichuan rural commercial bank Limited by Share Ltd Pledgor: Sichuan Guanghan Valve Factory Co., Ltd. Registration number: 2017510000049 |
|
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: 20150520 Termination date: 20210312 |