CN101294487B - Renewedly entrance guiding device for injection string - Google Patents
Renewedly entrance guiding device for injection string Download PDFInfo
- Publication number
- CN101294487B CN101294487B CN2008101145252A CN200810114525A CN101294487B CN 101294487 B CN101294487 B CN 101294487B CN 2008101145252 A CN2008101145252 A CN 2008101145252A CN 200810114525 A CN200810114525 A CN 200810114525A CN 101294487 B CN101294487 B CN 101294487B
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- Prior art keywords
- hole
- guiding device
- base
- injection string
- sand control
- Prior art date
- 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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Abstract
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101145252A CN101294487B (en) | 2008-06-06 | 2008-06-06 | Renewedly entrance guiding device for injection string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101145252A CN101294487B (en) | 2008-06-06 | 2008-06-06 | Renewedly entrance guiding device for injection string |
Publications (2)
Publication Number | Publication Date |
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CN101294487A CN101294487A (en) | 2008-10-29 |
CN101294487B true CN101294487B (en) | 2011-11-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008101145252A Active CN101294487B (en) | 2008-06-06 | 2008-06-06 | Renewedly entrance guiding device for injection string |
Country Status (1)
Country | Link |
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CN (1) | CN101294487B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101294488B (en) * | 2008-06-06 | 2011-11-09 | 中国海洋石油总公司 | Renewedly entrance guiding device for injection string and feeding-discharging tool |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2467783Y (en) * | 2000-12-15 | 2001-12-26 | 杨野 | Holder and coupling-disconnecting device on underground pipeline drilling machine |
CN1443922A (en) * | 2003-04-11 | 2003-09-24 | 中国海洋石油总公司 | Downhole rod pipe fixing device |
CN2923987Y (en) * | 2006-03-02 | 2007-07-18 | 张风仁 | Sucker rod wellhead device |
CN101294488A (en) * | 2008-06-06 | 2008-10-29 | 中国海洋石油总公司 | Renewedly entrance guiding device for injection string and feeding-discharging tool |
CN201215007Y (en) * | 2008-06-06 | 2009-04-01 | 中国海洋石油总公司 | Re-entering guide device for injection string |
-
2008
- 2008-06-06 CN CN2008101145252A patent/CN101294487B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2467783Y (en) * | 2000-12-15 | 2001-12-26 | 杨野 | Holder and coupling-disconnecting device on underground pipeline drilling machine |
CN1443922A (en) * | 2003-04-11 | 2003-09-24 | 中国海洋石油总公司 | Downhole rod pipe fixing device |
CN2923987Y (en) * | 2006-03-02 | 2007-07-18 | 张风仁 | Sucker rod wellhead device |
CN101294488A (en) * | 2008-06-06 | 2008-10-29 | 中国海洋石油总公司 | Renewedly entrance guiding device for injection string and feeding-discharging tool |
CN201215007Y (en) * | 2008-06-06 | 2009-04-01 | 中国海洋石油总公司 | Re-entering guide device for injection string |
Also Published As
Publication number | Publication date |
---|---|
CN101294487A (en) | 2008-10-29 |
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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: 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 |