CN201605326U - 一种牺牲阳极保护阴极——抽油杆防腐装置 - Google Patents
一种牺牲阳极保护阴极——抽油杆防腐装置 Download PDFInfo
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- CN201605326U CN201605326U CN2010200034749U CN201020003474U CN201605326U CN 201605326 U CN201605326 U CN 201605326U CN 2010200034749 U CN2010200034749 U CN 2010200034749U CN 201020003474 U CN201020003474 U CN 201020003474U CN 201605326 U CN201605326 U CN 201605326U
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- pumping rod
- sucker rod
- anode
- rod
- sacrificial anode
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Application Number | Priority Date | Filing Date | Title |
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CN2010200034749U CN201605326U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油杆防腐装置 |
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CN2010200034749U CN201605326U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油杆防腐装置 |
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CN201605326U true CN201605326U (zh) | 2010-10-13 |
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CN2010200034749U Expired - Fee Related CN201605326U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油杆防腐装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108798537A (zh) * | 2017-04-27 | 2018-11-13 | 垦利县金秀石油机械有限公司 | 一种防腐耐磨光杆 |
WO2022219474A1 (en) * | 2021-04-15 | 2022-10-20 | Pro-Rod, Inc. | Systems and methods for cathodic protection of an oil and gas well system |
-
2010
- 2010-01-10 CN CN2010200034749U patent/CN201605326U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108798537A (zh) * | 2017-04-27 | 2018-11-13 | 垦利县金秀石油机械有限公司 | 一种防腐耐磨光杆 |
WO2022219474A1 (en) * | 2021-04-15 | 2022-10-20 | Pro-Rod, Inc. | Systems and methods for cathodic protection of an oil and gas well system |
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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-pumping rod anti-corrosive apparatus Effective date of registration: 20121030 Granted publication date: 20101013 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: 20101013 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-pumping rod anti-corrosive apparatus Effective date of registration: 20140320 Granted publication date: 20101013 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 |
Granted publication date: 20101013 Termination date: 20170110 |
|
CF01 | Termination of patent right due to non-payment of annual fee |