CN100354499C - 油井用自动切换三通循环接头 - Google Patents
油井用自动切换三通循环接头 Download PDFInfo
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- CN100354499C CN100354499C CNB2005100152734A CN200510015273A CN100354499C CN 100354499 C CN100354499 C CN 100354499C CN B2005100152734 A CNB2005100152734 A CN B2005100152734A CN 200510015273 A CN200510015273 A CN 200510015273A CN 100354499 C CN100354499 C CN 100354499C
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Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100152734A CN100354499C (zh) | 2005-09-29 | 2005-09-29 | 油井用自动切换三通循环接头 |
Applications Claiming Priority (1)
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CNB2005100152734A CN100354499C (zh) | 2005-09-29 | 2005-09-29 | 油井用自动切换三通循环接头 |
Publications (2)
Publication Number | Publication Date |
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CN1766281A CN1766281A (zh) | 2006-05-03 |
CN100354499C true CN100354499C (zh) | 2007-12-12 |
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CNB2005100152734A Expired - Fee Related CN100354499C (zh) | 2005-09-29 | 2005-09-29 | 油井用自动切换三通循环接头 |
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CN (1) | CN100354499C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101929327A (zh) * | 2010-09-06 | 2010-12-29 | 中国海洋石油总公司 | 具有滤排砂功能的电潜泵生产管柱及其操作方法 |
CN101975037A (zh) * | 2010-09-26 | 2011-02-16 | 中国石油化工股份有限公司 | 修井液正反循环转换方法及其井下正反循环转换装置 |
US9068428B2 (en) * | 2012-02-13 | 2015-06-30 | Baker Hughes Incorporated | Selectively corrodible downhole article and method of use |
CN105114016B (zh) * | 2015-08-19 | 2017-12-05 | 中国石油天然气集团公司 | 管柱清洗装置 |
CN106185087B (zh) * | 2016-07-12 | 2018-07-27 | 欧德机械成都有限公司 | 一种液力自密封的储奶罐结构 |
CN108194076B (zh) * | 2017-12-27 | 2021-03-26 | 中国石油天然气股份有限公司 | 双向脉冲中子氧活化测井仪标定解释方法、装置和图版 |
CN111119791B (zh) * | 2019-12-20 | 2022-03-15 | 中海石油(中国)有限公司 | 一种双通道钻井井下浮阀 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749044A (en) * | 1987-02-03 | 1988-06-07 | J. B. Deilling Co. | Apparatus for washover featuring controllable circulating valve |
WO1993015302A1 (en) * | 1992-01-31 | 1993-08-05 | Advanced Drilling Technologies Pty. Ltd. | In-line sub for drilling equipment |
WO2002075110A1 (en) * | 2001-03-20 | 2002-09-26 | Reslink As | A well device for throttle regulation of inflowing fluids |
CN1375035A (zh) * | 1999-09-21 | 2002-10-16 | 国际壳牌研究有限公司 | 井下安全阀 |
CN2603846Y (zh) * | 2002-11-26 | 2004-02-18 | 中国石油集团科学技术研究院江汉机械研究所 | 超高压液控换向滑阀 |
US20050006150A1 (en) * | 2003-07-07 | 2005-01-13 | Power Chokes, L.P. | Solids strainer system for a hydraulic choke |
GB2411416A (en) * | 2004-02-24 | 2005-08-31 | Pump Tools Ltd | Flow diversion apparatus |
CN2849149Y (zh) * | 2005-09-29 | 2006-12-20 | 中国海洋石油总公司 | 油井用自动切换三通循环接头 |
-
2005
- 2005-09-29 CN CNB2005100152734A patent/CN100354499C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749044A (en) * | 1987-02-03 | 1988-06-07 | J. B. Deilling Co. | Apparatus for washover featuring controllable circulating valve |
WO1993015302A1 (en) * | 1992-01-31 | 1993-08-05 | Advanced Drilling Technologies Pty. Ltd. | In-line sub for drilling equipment |
CN1375035A (zh) * | 1999-09-21 | 2002-10-16 | 国际壳牌研究有限公司 | 井下安全阀 |
WO2002075110A1 (en) * | 2001-03-20 | 2002-09-26 | Reslink As | A well device for throttle regulation of inflowing fluids |
CN2603846Y (zh) * | 2002-11-26 | 2004-02-18 | 中国石油集团科学技术研究院江汉机械研究所 | 超高压液控换向滑阀 |
US20050006150A1 (en) * | 2003-07-07 | 2005-01-13 | Power Chokes, L.P. | Solids strainer system for a hydraulic choke |
GB2411416A (en) * | 2004-02-24 | 2005-08-31 | Pump Tools Ltd | Flow diversion apparatus |
CN2849149Y (zh) * | 2005-09-29 | 2006-12-20 | 中国海洋石油总公司 | 油井用自动切换三通循环接头 |
Also Published As
Publication number | Publication date |
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CN1766281A (zh) | 2006-05-03 |
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Legal Events
Date | Code | Title | Description |
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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: Ocean Oil Mansion, No. 25 North Main Street, Beijing, Dongcheng District, Chaoyangmen: 100010 Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: Ocean Oil Mansion, No. 25 North Main Street, Beijing, Dongcheng District, Chaoyangmen: 100010 Co-patentee before: CNOOC OIL BASE GROUP Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
CP03 | Change of name, title or address |
Address after: Marine Oil Mansion, 25 Chaoyangmen North Street, Dongcheng District, Beijing zip code: 10001 Co-patentee after: CNOOC OIL BASE GROUP Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: Marine Oil Mansion, 6 small street, Dongzhi gate, Beijing, zip code: 100027 Co-patentee before: China Ocean Petroleum Base Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20160929 |
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CF01 | Termination of patent right due to non-payment of annual fee |