,,(,266071):,,,:;;;:TG172;TE985:B:10052748X(2007)0920476203ANALYSESANDPROTECTIONOFSEAWATERCOOLINGSYSTEMINOFFSHOREOILPLATFORMTIANJun2jie,LIZhen2guo,QUZheng(CentralIron&SteelResearchInstituteQingdaoResearchInstituteforMarineCorrosion,Qingdao266071,China)Abstract:Thecorrosionstatusofseawatercoolingsysteminoffshoreoilplatformareanalyzedandthecontrolmethodsarepresented.Thecombinationofcoatingandcathodicprotectionhasbeenprovedtobeaeffectiveprotectionmeasure.Keywords:Corrosion;Offshoreoilplatform;Seawatercoolingsystem;Cathodicprotection0,,,,20027,,,,,,1,,,622,;(),(1);(2),,;,,;:1015mm;628920079CORROSION&PROTECTIONVol.28No.9September2007:2001012174222.1,,,,,,,2.2,,(1),,,,,,(2),,,,,,,,,,,MPa,2.3(1),,,,,,,(2)()(),(),(),,;;(),,(3),;,,,,,(4),:,;,,;;;(5),:774,,,,,,,33.1,,,,,,3.2,,,,,,,,,MMO(),(3),3:230m,155m,145m,,,AB3.315,(12),0-0.25V()1A,V,V,A12.00.125122.50.12512B,V,V,A31.80.125243.50.1257,,,,,4,,,,,,:[1].[M].:,1988.[2],.[M].:,1998.[3].[M].:,1987.8:74