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Feasibility of FRP as the Oil and Gas Long-Distance Pipeline Material in the Area with the High Voltage Electric-Power Line

Oil and gas long-distance pipelines which are buried under ground often have to be closely laid in the narrow area with the high voltage electric-power line. The earth electrode of the electric tower seriously impacts the cathodic protection system of the pipeline when it discharges electricity into the earth. Sometimes the cathodic protection system may even lose its efficacy and the pipe being corroded. Under this condition, fiber reinforced plastics (FRP) has been paid more and more attention as the alterative of the steel pipe because of its outstanding cathodic-resisting property. In this article, the property of FRP compared with the steel was analyzed. The advantages and shortcomings of FRP as the material of oil and gas long-distance pipeline were introduced. Furthermore the feasibility of FRP pipeline was discussed.