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钢管知识讲座油套管、管线管二零一一年九月一、钢管生产类型1，无缝热轧无缝管生产工艺2，焊管螺旋焊管2.1焊接工艺主要有电阻焊ERW，螺旋埋弧焊SSAW，直缝埋弧焊LSAW。二、钢管种类2.1油田用管(API钢管)依据标准：API5CT，5L等标准常用油田管具：油套管、管线钢管、接箍管、钻杆管体、石油裂化管等2.2非API钢管常化理处尺寸及表面检验涡流探伤Non-APIseriesOilCasingGradeAntiH2SAntiCO2NormalHighAntiCorrosionHighCollapseNormal(CO2)EconomicalType(H2S+CO2)SpecialType(CO2)8080S80SS80TS80-1Cr80S-1Cr80-13Cr9090S90SS90TS90-1Cr90S-1Cr90-13Cr9595S95SS95TS95-1Cr95S-1Cr95-13Cr110110S110SS110TS110-1Cr110S-1Cr110-13Cr125125S抗腐蚀和抗挤毁系列抗腐蚀油套管，线管：用于井下开采时遇到抗腐蚀气体和离子等环境中。抗挤毁系列：用于深井或超深井等底层压力较大井况或地应力异常段油气井。三、油套管、管线管3.1油套管国内主要生产形式为无缝为主，焊管为辅。IntroductionofTubingandCasingGradeAPIseriesTubingandCasingNon-APIseriesOilCasingTubingCasingDeepWellHighTemperatureHighCollapseLowTemperatureHotDrillingNormalHighCollapse55J55J55,K5565M6580N80-1N80-180T80TT80LN80QN80QL80-1L80-190C90C9090T90TT90L90H95T95T9595T95TT95L95H110P110P110110T110TT110L110H125Q125125T125TT125L125H140V140150V150ProductionCapacityProductsPipetypeSteelgradeODin(mm)WTin(mm)Threadtype*CasingandCouplingSeamlessH40,J55,K55,M65,L80,C95,N80,C90,T95,P110,Q1254-1/2～20(114.3-508)0.205～0.875(5.2-22.2)PSLBETubingandCouplingSeamlessH40,J55,L80,N80,C90,T95,P1101-1/20～4-1/2(26.67-114.3)0.113～0.63(2.87-16)PNUINOTE：P：PlainendS：STCL：LCB：BTCE：XCN：NUU：EUI：IJToleranceItemToleranceOutsidediameterD＜114.3mm,±0.79mmWallthicknessD≥114.3mm,-0.5～+1.0%DSingleWeight+6.5%,-3.5%LengthsLengthsRange1Range2Range3Tubing(m)6.1-7.328.53-9.7511.58-12.80Casing(m)4.88-7.627.62-10.3610.36-14.63PupJoint(m)0.5-6MechanicalPropertiesAPI5CTMechanicalPropertiesGradeMechanicalPropertiesYieldStrengthTensileStrengthHardnessMpaMpaMinMaxMinHRCHBWH40276552414∕∕J55379552517∕∕K55379552655∕∕N80-1552758689∕∕N80-Q552758689∕∕M6544858658622235L80-155265565523241L80-9Cr55265565523241L80-13Cr55265565523241C90-162172468925.4255C90-262172468925.4255C95655758724∕∕T95-165575872425.4255T95-265575872425.4255P110758965862∕∕Q125-18621034931∕∕Q125-28621034931∕∕Q125-38621034931∕∕Q125-48621034931∕∕3.2线管用于输油输气，国内生产形式以焊管为主无缝管为辅。常用钢级ProductsPipetypeSteelgradeOutsidediameterin(mm)Wallthicknessin(mm)ThreadtypeLinepipeSeamlessA25,A,B,X42,X46,X52,X56,X60,X70,X801-1/20～20(26.67-508)0.113～1-3/8(2.87-34.9)PE:Plainend,BE:BeveledendSAW4～80(101.6-2032)0.1～1.25(2.54-31.8)ERW2-3/8～26(60.3-660)0.1～1(2.54-25.4)公差TolerancesforrandomlengthpipeRandomlengthdesignationm(ft)Minimumlengthm(ft)Minimumaveragelengthforeachorderitemm(ft)Maximumlengthm(ft)PlainEndPipe6(20)2.74(9.0)5.33(17.5)6.86(22.5)9(30)4.11(13.5)8.00(26.2)10.29(33.8)12(40)4.27(14.0)10.67(35.0)13.72(45.0)15(50)5.33(17.5)13.35(43.8)16.76(55.0)18(60)6.40(21.0)16.00(52.5)19.81(65.0)24(80)8.53(28.0)21.34(70.0)25.91(85.0)IntroductionofLinePipeAPI5LPipePSL1PSL2SpecialNormalServiceOffShoreServiceSourServiceConditionType(CO2)ConditionConditionB/L245BN(R)/L245N(R)BN(Q)O/L245N(Q)OBN(Q)/L245N(Q)OL245S/OX42/290X42N(R)/L290N(R)X42N(Q)O/L290N(Q)OX42N(Q)S/L290N(Q)SL290S/OX46/320X46N/L320NX46NO/L320NOX46NS/L320NSL320S/OX52/L360X52N(Q)/L360N(Q)X52N(Q)O/L360N(Q)OX52N(Q)S/L360N(Q)SL360S/OX56/L390X56N(Q)/L390N(Q)X56N(Q)O/L390N(Q)OX56N(Q)S/L390N(Q)SL390S/OX60/L415X60Q/L415QX60QO/L415QOX60QS/L415QSL415S/OX65/L450X65Q/L450QX65QO/L450QOX65QS/L450QSL450S/OX70/L485X70Q/L485QX70QO/L485QOX70QS/L485QSL485S/OChemicalComposition&MechanicalPropertiesAPI5LPSL1LinePipeGradeChemicalcompositionMechanicalPropertiesC(Max)Mn(Max)P(Mx)S(Max)YieldStrength(min.)TensileStrength(min.)psiMpapsiMpaA25-CLI0.210.600.0300.0302500017245000310A25-CLII0.210.600.0300.0302500017245000310A0.220.900.0300.0303000020748000331B0.281.200.0300.0303500024160000414X420.281.300.0300.0304200029060000414X460.281.400.0300.0304600031763000434X520.281.400.0300.0305200035966000455X560.281.400.0300.0305600038671000490X600.281.400.0300.0306000041475000517X650.281.400.0300.0306500044877000531X700.281.400.0300.0307000048382000565API5LPSL2LinePipeGradeChemicalcompositionMechanicalPropertiesC(Max)Mn(Max)P(Mx)S(Max)YieldStrengthTensileStrengthminmaxminmaxpsiMpapsiMpapsiMpapsiMpaB0.241.200.0250.015350002416500044860000414110000758X420.241.300.0250.015420002907200049660000414110000758X460.241.400.0250.015460003177600052463000434110000758X520.241.400.0250.015520003597700053166000455110000758X560.241.400.0250.015560003867900054471000490110000758X600.241.400.0250.015600004148200056575000517110000758X650.241.400.0250.015650004488700060077000531110000758X700.241.400.0250.015700004839000062182000565110000758X800.241.400.0250.0158000055210000069090000621120000827四、油套管螺纹主要参数：锥度，尺高，螺距，承载面角度，导向面角度，紧密距等。分为API螺纹和非API螺纹，其中非API螺纹又被称为特殊扣。管体两端螺纹被称为公扣，接箍内螺纹被称为母扣。4.1API螺纹圆螺纹：LC,STC，偏梯扣BTC4.2非API螺纹（特殊扣）以API螺纹为基础发展起来的，保证一定的连接强度和密封性。国际：V&M扣，hunting扣，Tenaris扣，Dydril扣，其中V&M扣占了近6成市场。国内：天钢TP特殊扣，宝钢BG特殊扣，希姆莱斯WSP特殊扣，衡钢HS特殊扣。五、管具类的腐蚀与防腐油管表面锈蚀、坑蚀、穿孔严重5.1油套管等管具类腐蚀管具类，不管是油套管，还是钻杆，抽油杆等其他井下工具，在井下遇到腐蚀介质时都会被腐蚀，因此就要选择相应的抗腐蚀材料。选材依据：美国腐蚀工程师协会（NACE）的MR0175-97“油田设备抗硫化物应力开裂金属材料”。5.2常用的抗腐蚀系列常规的API抗腐蚀产品C90、T95由API产品衍生出来的抗腐蚀产品：80-3Cr、90-3Cr、110-3CrL80-13Cr、90-13Cr、110-13Cr80S、90S、95S、110S80SS、90SS、95SS、110SS80S-3Cr、90S-3Cr、110S-2Cr80S-13Cr、90S-13Cr、110S-13Cr125S5.2管线管的腐蚀5.2.1常规的抗CO2+H2S腐蚀在管线管