石油钻杆内壁体积型腐蚀缺陷的超声检测

(,710065)(,710038),,ULTRASONICDETECTIONOFCORROSIONSINTHEINTERNALWALLSOFOILDRILLRODSJuXimin(TubularGoodsResearchCenterofChinaNationalPetroleumCorp.)MoRunyang(InstituteofAirforceEngineering)AbstractUltrasonicdetectionofcorrosionsintheinternalwallsofoildrillrodsisdescribedincludingtheprinciple,methodandtechnology.Experimentalresultsshowthatitisfeasibleandeffective.KeywordsOildrillrodCorrosionUltrasonicinspection,,O2,CO2H2S,,8,,[1],,11.1,,(1)1.2,,,,12002,;,,,,56122420004NDTVol.22No.4April2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3[2][3],,t,T0=0.5tCC,Ts(2)Ts=0.5t1Ct12,,,B1(3),,h=T0-0.5t2Ct2344.1,,,,,127mm(5in),4.1.15mm,0.4,1.0,2.0,3.1,4.1,5.2,6.2,7.2,8.3mm(8.6mm),444.1.2,1mm,2.0,3.1,4.1,5.1,6.0,7.0,8.0,8.9,9.9,10.9,12.1,13.1mm,554.24.2.1,,,KKUSD104.2.2,,6.4512.7mm,,,,,,,,5MHz10mm10mm5MHz14mmF84.2.3,661:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4.2.4,AB4.3(1)127mm(2),,(80%),,5,:(1),,0.6mm(2),0.6mm,0.2mm;,0.52mm,0.27mm(3),1mmmm1)0.42.04.16.28.3(0.54)1.8(2.0)3.8(4.0)5.7(6.0)(0.14)0.2(0)0.3(0.1)0.5(0.2)2)12.079.898.036.034.082.0512.01(12.09)10.10(9.776)8.42(7.759)6.35(5.823)4.46(4.198)2.57(1.797)0.06(0.02)-0.21(0.11)-0.40(0.27)-0.32(0.21)-0.38(-0.12)-0.52(0.25)1.74.42.03.23)2.11.43.91.22.62.80.30.50.80.6-0.7:1)2)B63)B76B7B(4),,,,(5)A,B,6,,,,,1..,1995(4):37-412GeorgeC,WilliamsonË,BohonWMark.Evaluationofultrasonicintelligentpigperformance:inherenttechnicalproblemsasapipelineinspectiontool.PipesandPipelinesInternational,1994(September-October):203,.().:,1996.419:1999206214761:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.