APPLICATON OF MAGNESIUM RIBBON ANODE FOR CATHODIC PROTECTION OF OIL PIPELINE FROM KURLE TO SHANSHAN

J Chin Soc Corr Pro

1999, Vol. 19

Issue (2): 90-94 DOI:

Research Report

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APPLICATON OF MAGNESIUM RIBBON ANODE FOR CATHODIC PROTECTION OF OIL PIPELINE FROM KURLE TO SHANSHAN

Jiuhong Yan;;;

中国石油天然气总公司西北石油管道建设指挥部

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Abstract For external corrosion protection of the newly constructed φ610mm oil pipeline from Kurle to Shanshan in Xingjiang,a combination scheme of high quality coating and cathodic protetion executed partially in sacrificial anode mode was designed.Due to the high resistivity of soil in this region,extruded magnesium ribbons instead of traditional cast ingots were selected as sacrificial anodes.Conventionally,the continuous ribbon anodes were installed lengthwise in a trench parallel to and of the same length as the pipeline to be protected.In this prohect,however,only a short section of ribbon anode was found sufficiet to provide a high level of protection for a considerabl longer pipeline.Such a special configuration was preliminarily verified on a φ377mm pipeline in Shandong and then put into practice in Xingjiang.Two groups of anodes consisting of 2×250m or 4×125m ribbons were installed respectively at two test stations separated about 1Km.Potential measurements indicated that successful protection was achieved along the pipeline longer than 80Km

Key words: magnesium ribbon sacrficial anode cathodic protection buried oil pipeline

Received: 19 July 2005

Corresponding Authors: Jiuhong Yan

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Cite this article:

Jiuhong Yan. APPLICATON OF MAGNESIUM RIBBON ANODE FOR CATHODIC PROTECTION OF OIL PIPELINE FROM KURLE TO SHANSHAN. J Chin Soc Corr Pro, 1999, 19(2): 90-94 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1999/V19/I2/90

1 Dow Magnesium, Extruded Magnesium Anodes from Dow
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4 胡士信,徐道诚.石油规划设计,1993,4(3):33
5 Beavers J A, Thompson N G. Materials Performance, 1997, 36(4): 13

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