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The Development and Application of a External Coating for Buried Pipeline Rehabilitation  

Zhang, Liping (Research Institute of Engineering Technology of CNPC)
Lin, Zhu (Research Institute of Engineering Technology of CNPC)
Zhang, Qibin (Research Institute of Engineering Technology of CNPC)
Qin, Yanlong (Research Institute of Engineering Technology of CNPC)
Wang, Xueying (Research Institute of Engineering Technology of CNPC)
Publication Information
Corrosion Science and Technology / v.2, no.3, 2003 , pp. 161-163 More about this Journal
Abstract
With the development of Chinese petroleum and gas industry, about 20,000 km long-distance pipeline and 250,000 km gathering pipeline have been constructed in China. After operating for many years, most of the coatings on buried pipelines have aged so severe that the steel pipes are subject to corrosion environment underground. Focusing on the need of external coating for buried pipeline rehabilitation, a new type of coating has been developed. The development and application of the coatings has been introduced in this paper.
Keywords
pipeline; corrosion; rehabilitation; solvent-free; coating;
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  • Reference
1 Feng Shimin, Investigation on Corrosion Actuality of Oil & Gas Pipelines and RehabilitationTechnology Strategy, China International Corrosion Control Conference' 99, October, 1999