| Guo Jinwen,L. Patterson,A. Amorelli,D. Condanni,B. Bazzoni.Experience on offshore cathodic protection retrofitting in the northern South China Sea[J].Acta Oceanologica Sinica,2003,(4):679-688 |
| Experience on offshore cathodic protection retrofitting in the northern South China Sea |
| Experience on offshore cathodic protection retrofitting in the northern South China Sea |
| 投稿时间：2003-06-18 修订日期：2003-08-12 |
| DOI： |
| 中文关键词: Cathodic protection retrofitting offshore the South China Sea |
| 英文关键词:Cathodic protection retrofitting offshore the South China Sea |
| 基金项目: |
| 作者 | 单位 | | Guo Jinwen | CACT Operators Group, Shenzhen 518069, China | | L. Patterson | CACT Operators Group, Shenzhen 518069, China | | A. Amorelli | ENI S. P. A. -Exploration & Production Division, Milan 20097, Italy | | D. Condanni | ENI S. P. A. -Exploration & Production Division, Milan 20097, Italy | | B. Bazzoni | ENI S. P. A. -Exploration & Production Division, Milan 20097, Italy |
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| 中文摘要: |
| Platforms Ⅰ and Ⅱ are steel structures located in offshore areas southeast of the Zhujiang(Pearl) River Delta,the northern South China Sea,in about 110 m water depth.The jackets,with aluminum sacrificial anodes for cathodic protection(CP) of the immersed zone,were launched in March 1995.In May 1996 a CP survey showed that,after almost one year of service,a low polarization level had been achieved and some extended unprotected zones existed,mainly in the deepest part of the Platform Ⅱ.Further to this,a joint activity was decided in order to assess the need of a possible retrofitting of the CP systems.The results of the activity carried out are dealt with,including technical and economical comparisons amongst several retrofitting options,both with sacrificial anodes and with impressed current systems.The adopted solution is illustrated and data are reported on the level of protection presently achieved. |
| 英文摘要: |
| Platforms Ⅰ and Ⅱ are steel structures located in offshore areas southeast of the Zhujiang(Pearl) River Delta,the northern South China Sea,in about 110 m water depth.The jackets,with aluminum sacrificial anodes for cathodic protection(CP) of the immersed zone,were launched in March 1995.In May 1996 a CP survey showed that,after almost one year of service,a low polarization level had been achieved and some extended unprotected zones existed,mainly in the deepest part of the Platform Ⅱ.Further to this,a joint activity was decided in order to assess the need of a possible retrofitting of the CP systems.The results of the activity carried out are dealt with,including technical and economical comparisons amongst several retrofitting options,both with sacrificial anodes and with impressed current systems.The adopted solution is illustrated and data are reported on the level of protection presently achieved. |
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