CN201713579U - 一种牺牲阳极保护阴极——油管防腐装置 - Google Patents
一种牺牲阳极保护阴极——油管防腐装置 Download PDFInfo
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- CN201713579U CN201713579U CN 201020003484 CN201020003484U CN201713579U CN 201713579 U CN201713579 U CN 201713579U CN 201020003484 CN201020003484 CN 201020003484 CN 201020003484 U CN201020003484 U CN 201020003484U CN 201713579 U CN201713579 U CN 201713579U
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- oil pipe
- anode
- sacrificial anode
- pup joint
- tubing
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CN 201020003484 CN201713579U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——油管防腐装置 |
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CN 201020003484 CN201713579U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——油管防腐装置 |
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CN201713579U true CN201713579U (zh) | 2011-01-19 |
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CN 201020003484 Expired - Fee Related CN201713579U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——油管防腐装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107313721A (zh) * | 2017-05-04 | 2017-11-03 | 中石油煤层气有限责任公司 | 抽油井外加电流法防腐装置 |
CN107575168A (zh) * | 2017-08-24 | 2018-01-12 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种防腐套管及布置方案和应用 |
CN108979562A (zh) * | 2018-06-19 | 2018-12-11 | 门雨晴 | 一种油田用旋转油管及短接 |
-
2010
- 2010-01-10 CN CN 201020003484 patent/CN201713579U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107313721A (zh) * | 2017-05-04 | 2017-11-03 | 中石油煤层气有限责任公司 | 抽油井外加电流法防腐装置 |
CN107313721B (zh) * | 2017-05-04 | 2024-02-20 | 中石油煤层气有限责任公司 | 抽油井外加电流法防腐装置 |
CN107575168A (zh) * | 2017-08-24 | 2018-01-12 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种防腐套管及布置方案和应用 |
CN108979562A (zh) * | 2018-06-19 | 2018-12-11 | 门雨晴 | 一种油田用旋转油管及短接 |
CN108979562B (zh) * | 2018-06-19 | 2019-05-10 | 大庆市璞庆钻采设备制造有限公司 | 一种油田用旋转油管及短接 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sacrificial anode and protective cathode-oil pipe anti-corrosive apparatus Effective date of registration: 20121030 Granted publication date: 20110119 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City Registration number: 2012990000656 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: HENAN XINYU PETROLEUM MACHINERY MANUFACTURING CO., Free format text: FORMER NAME: XINYU PETROLEUM MACHINERY AND CHEMICAL CO., LTD., PUYANG CITY |
|
CP03 | Change of name, title or address |
Address after: Hualong District of Puyang City, Henan Province, 457006 State Road 106 and Kam Tin Road intersection East 100 meters Patentee after: Henan letter space petroleum machinery is manufactured limited company Address before: Puyang City, Henan province 457001 Road on the north side of Xinyu Petrochemical Company Patentee before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140320 Granted publication date: 20110119 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2012990000656 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sacrificial anode and protective cathode-oil pipe anti-corrosive apparatus Effective date of registration: 20140320 Granted publication date: 20110119 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2014990000182 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20140320 Registration number: 2012990000656 Pledgor after: Henan letter space petroleum machinery is manufactured limited company Pledgor before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
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: 20110119 Termination date: 20180110 |