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201710·40·(518067)[][][]TE992.4[]A[]1007-1865(2017)10-0040-03TheExplorationandTestontheProcessingTechnologyofAgingOilinOffshoreOilfieldsLuoYugui,ZhuMo,OuYujun,YuanXiaobing(CNOOCEnerTechEquipmentTechnologyCo.,Ltd.,ShenzhenCo.,Shenzhen518067,China)Abstract:Theagingoilisakindofcrudeemulsionwhichhascomplicatedcompositionandhighstability.Comparedwithconventionalcrudeoil,theprocessingisdifficultandhighcost.Duetooffshorefacilitiesarelimitedbythefactorsofenvironment,spaceandsoon,itismoredifficulttodealwithagingoilthanonshoreoilfield.TakingLiuhuaOilfieldasanexample,thispaperintroducesakindofprocesstosolvetheproblemofagingoilinoffshoreoilfield.Thetestresultsshowthatthetechnologycaneffectivelyreducethesolidcontentinagingoilandimplementtheoil-waterseparation,whichhasagreatsignificancetopromoteenvironmentalprotection,increaseproductionandreducethecostinoffshoreoilfields.Keywords:agingoiloffshoreplatformcentrifugalseparation[1]30(1)(2)(3)(4)1[2]1Tab.1Comparisonofmaintreatmentmethodsforagedoil10.5%[3]23[4]45[5]6[]2017-03-07[][](1986-)20171044348·41·[6]211-111/(FPSO)20(1)V-3520V-3620(2)V-3540V-3640(3)V-3560(4)(5)EDD(6)12%(10%~80%)6000021Fig.1Thetreatmentprocessofliuhua11-1oilfield33.1GCMSEDSXRDX-PyGCMS22Tab.2Themaincomponentofcrudeoilandoilfieldagingoil/%6.3235.32/%(m/m)0.334.58/15(g·cm-3)0.91930.9689/(mgKOH·g-1)1.465.31/%(m/m)0.435.681/%(m/m)8.3311.27/%(m/m)2.374.51/%(m/m)0.1250.24/ppm86194/%(m/m)0.212.16/(mg·L-1)15.5417.92+23.2()2Fig.2AgingoiltreatmentprocessSY/T5281-2000()AB310%3Fig.3Relationshipbetweendilutionconcentrationanddehydrationvolume201710·42·(mg·L-1)/min/mL6´10´15´20´1A10200.10.10.5121035---0.5310500.5369410750.14.55851010067.5896B1020----710350.50.713810500.20.52591075-0.86810101000.20.20.50.7310%50mg/L75mg/L50mg/L4AB10minAABA3.3564Fig.4Relationshipbetweendehydrationtimeanddehydrationvolume56Fig.5EquipmentassemblyFig.6Liquidsample7Fig.7Solidsample4(800.5~0.7m3/h)44.1(H2S)4.24.34.40.1%vol4Tab.4Centrifugedata%()()()2.23958.80.10.599.495.50.198.61.395.5[1][J]200314(6)9-11(34)201710·34·(5%)(10%)(50%)(90%)(95%)PIB278301347368371PIBSA331352406429434PIBSI3353564084314382.6()[15](VULCAN®XC72)150N109030min8012h02%4%6%8%PIBSISH/T0623-95[16]6602%4%6%8%PIBSIFig.60,2%,4%,6%and8%weightofPIBSIblotterspottestresults702%4%6%8%PIBSISDTFig.70,2%,4%,6%and8%weightofPIBSIdispersionSDTvaluesSDTSDT670SDT17.882%4%6%8%PIBSISDT25.2727.7034.1236.9301.411.551.912.07PIBSIPIBSI3PIBSITG8wt.%PIBSI2.07[1][J]200520(3)30-36[2][J]201227(4)44-47[3][J]20135(40)73-74[4]MachHRathPHighlyReactivePolyisobuteneasaComponentofaNewGenerationofLubricantandFuelAdditives[J]LubricationScience199911(2)175-185[5]JamesJHarrisonWilliamRRubePolyalkylenesuccinimidesandpost-treatedderivativesthereof5716912[P]1998-02-10[6][J]199813(4)23-27[7][J]201227(6)35-38[8]JamesJHarrisonWilliamRRubeKennethDNelsonPolymericdispersantspreparedfromcopolymersoflowmolecularofweightpolyisobuteneandunsaturatedacidicreagent20030130140A1[P]2003-07-10[9][D]2011[10]RajeevKumarBinZhengKuo-WeiHuangSynthesisofHighlyReactivePolyisobutyleneCatalyzedbyEtAlCl2/Bis(2-chloroethyl)EtherSolubleComplexinHexanes[J]Macromolecules2014471959-1965[11]GB/T7304-2014()[S]2015[12]SH/T0688-2000()[S]2001[13][D]2007[14][J]201126(3)42-48[15][J]2003461-67[16]SH/T0623-95[S]2007(42)[2][J]2008219-21[3][J]2008293-94[4][J]200313(3)33-34[5][J]200333(2)6-8[6][J]200629(3)46-47