CN201184200Y - Petroleum engineering well drilling hydrogen sulphide wireless sensing device - Google Patents
Petroleum engineering well drilling hydrogen sulphide wireless sensing device Download PDFInfo
- Publication number
- CN201184200Y CN201184200Y CNU2008200793249U CN200820079324U CN201184200Y CN 201184200 Y CN201184200 Y CN 201184200Y CN U2008200793249 U CNU2008200793249 U CN U2008200793249U CN 200820079324 U CN200820079324 U CN 200820079324U CN 201184200 Y CN201184200 Y CN 201184200Y
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- hydrogen sulfide
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200793249U CN201184200Y (en) | 2008-03-11 | 2008-03-11 | Petroleum engineering well drilling hydrogen sulphide wireless sensing device |
Applications Claiming Priority (1)
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CNU2008200793249U CN201184200Y (en) | 2008-03-11 | 2008-03-11 | Petroleum engineering well drilling hydrogen sulphide wireless sensing device |
Publications (1)
Publication Number | Publication Date |
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CN201184200Y true CN201184200Y (en) | 2009-01-21 |
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CNU2008200793249U Expired - Fee Related CN201184200Y (en) | 2008-03-11 | 2008-03-11 | Petroleum engineering well drilling hydrogen sulphide wireless sensing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102041994A (en) * | 2010-11-12 | 2011-05-04 | 上海科油石油仪器制造有限公司 | Hydrogen sulfide early-warning measuring method |
-
2008
- 2008-03-11 CN CNU2008200793249U patent/CN201184200Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102041994A (en) * | 2010-11-12 | 2011-05-04 | 上海科油石油仪器制造有限公司 | Hydrogen sulfide early-warning measuring method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM GROUP POHAI DRILLING ENGINEERING C Free format text: FORMER OWNER: DAGANG OILFIELD GROUP CO., LTD. Effective date: 20090508 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: No. 106 Huang Hai Road, Tianjin economic and Technological Development Zone, post code: 300457 Patentee after: CNPC Bohai Drilling Engineering Co., Ltd. Address before: No. three, Dagang Oilfield, Grand Port, Tianjin, China: 300280 Patentee before: Dagang Oil Field Group Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20160311 |
|
CF01 | Termination of patent right due to non-payment of annual fee |