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| Technical Research on Cathode Protection System of Offshore Platform Based on Nu-merical Simulations |
| Received:January 18, 2017 Revised:February 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.02.016 |
| KeyWord:offshore platform impressed current catholic protection corrosion prevention coupling system |
| Author | Institution |
| YU Xiao-yi |
China National Offshore Oil Corporation Research Center, Beijing , China |
| ZHAO He |
Dalian University of Technology, Dalian , China |
| CHANG Wei |
China National Offshore Oil Corporation Research Center, Beijing , China |
| SONG Shi-de |
Dalian University of Technology, Dalian , China |
| HUANG Yi |
Dalian University of Technology, Dalian , China |
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| Abstract: |
| Objective To confirm the feasibility of maintenance scheme for Impressed Current Cathodic Protection (ICCP) of offshore platform. Methods The protection effectiveness of ICCP under two working conditions was compared and analyzed by numerical simulation computation. Results The protective potential distribution of the platform structure was obtained when the ICCP was in the best protection state under the two working conditions. Conclusion When the remote type ICCP system is invalid, the maintenance scheme can provide cathodic protection well by adding two sets of tension type ICCP systems. |
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