CN101324176B - 一种弹簧自切换式y形接头 - Google Patents
一种弹簧自切换式y形接头 Download PDFInfo
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- CN101324176B CN101324176B CN200810117521XA CN200810117521A CN101324176B CN 101324176 B CN101324176 B CN 101324176B CN 200810117521X A CN200810117521X A CN 200810117521XA CN 200810117521 A CN200810117521 A CN 200810117521A CN 101324176 B CN101324176 B CN 101324176B
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- electric pump
- channel
- pump oil
- test channel
- oil pumping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200810117521XA CN101324176B (zh) | 2008-07-31 | 2008-07-31 | 一种弹簧自切换式y形接头 |
Applications Claiming Priority (1)
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CN200810117521XA CN101324176B (zh) | 2008-07-31 | 2008-07-31 | 一种弹簧自切换式y形接头 |
Publications (2)
Publication Number | Publication Date |
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CN101324176A CN101324176A (zh) | 2008-12-17 |
CN101324176B true CN101324176B (zh) | 2011-06-15 |
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CN200810117521XA Active CN101324176B (zh) | 2008-07-31 | 2008-07-31 | 一种弹簧自切换式y形接头 |
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CN (1) | CN101324176B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103452496B (zh) * | 2013-09-13 | 2016-09-07 | 中国海洋石油总公司 | 稠油热采井用注采一体式自动切换生产接头 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001065067A1 (en) * | 2000-03-02 | 2001-09-07 | Shell Internationale Research Maatschappij B.V. | Controllable production well packer |
US6497278B1 (en) * | 2001-03-19 | 2002-12-24 | Varco I/P | Circulation control device |
US20030178196A1 (en) * | 2002-03-21 | 2003-09-25 | Smith Ray C. | Isolation bypass transition joint |
CN1847608A (zh) * | 2005-04-14 | 2006-10-18 | 石油大学(北京) | 井用弹簧式“y”形接头 |
CN201241632Y (zh) * | 2008-07-31 | 2009-05-20 | 中国海洋石油总公司 | 一种弹簧自切换式y形接头 |
-
2008
- 2008-07-31 CN CN200810117521XA patent/CN101324176B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001065067A1 (en) * | 2000-03-02 | 2001-09-07 | Shell Internationale Research Maatschappij B.V. | Controllable production well packer |
US6497278B1 (en) * | 2001-03-19 | 2002-12-24 | Varco I/P | Circulation control device |
US20030178196A1 (en) * | 2002-03-21 | 2003-09-25 | Smith Ray C. | Isolation bypass transition joint |
CN1847608A (zh) * | 2005-04-14 | 2006-10-18 | 石油大学(北京) | 井用弹簧式“y”形接头 |
CN201241632Y (zh) * | 2008-07-31 | 2009-05-20 | 中国海洋石油总公司 | 一种弹簧自切换式y形接头 |
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Publication number | Publication date |
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CN101324176A (zh) | 2008-12-17 |
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Legal Events
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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: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
|
CP01 | Change in the name or title of a patent holder |