油田埋地管道防腐层破损点检测及影响因素

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:2006-07-17:2006-12-18(,257000):,,,,:;;:TG405:A:1004-9614(2007)03-0039-02InspectionofaSmallDamageofAnticorrosionLayerinOilfeildBuriedPipelineandItsInspectionFactorLUDe2dong(ResearchInstituteforCorrosionandProtectionofTechnologyDetectionCentreofShengliOilField,Dongying257061,China)Abstract:Theinspectionprincipleofasmalldamageofanticorrosionlayerinoilfieldburiedpipelinewasintroduced.Someprimaryfactorseffecttheinspectionwasgivenbyanalyzingtheinspectionexample,andthenthemethodstodealwithabovequestionweregiven.Keywords:damage;inspection;electricpotentialmethod0,,,,,,,,,,,,,1RD-PCM,ARD-PCM2,LTELF(4Hz128Hz),,,I=I0e-aX:I;I0;x;a,,,,,,;,,,,,A,,,PCM128Hz,RD-PCM1,21RD-PCM22,6,2.1,,3(1m)4(115m),,2.2,,,,,5(915m),0,20073PipelineTechniqueandEquipment2007No13,;-4,,,31m41.5m52.3,,6,-2462.4,,,;,,,,,,,1200m,300mA600mA,1A,2.5,,,(7)72.6,,2,,289,:2,,2,,282923,3a,,87%,,,,:[1]..,2000(9):33-34.[2].PCM.,2004(3):10-11.[3]..2006:51-55.:(1972),,40PipelineTechniqueandEquipmentMay12007

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