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1、AdvancesinPorousFlow渗流力学进展,2014,4,42-49PublishedOnlineJune2014inHans.http://www.hanspub.org/journal/apfhttp://dx.doi.org/10.12677/apf.2014.42005InfluenceofViscosityonFluidPercolationCharacteristicinDifferentPermeabilityHeavyOilReservoirsYunqianLong1,WeiyaoZhu
2、2,YangXu3,FuquanSong1*,HongyanHan21InnovationApplicationInstitute,ZhejiangOceanUniversity,Zhoushan2SchoolofCivil&EnvironmentalEngineering,UniversityofScienceandTechnologyBeijing,Beijing3ChinaPetroleumPipelineEngineeringCorporation,Langfang*Email:fqsong2000@sm
3、mail.cnthrdthReceived:Apr.25,2014;revised:May23,2014;accepted:May30,2014Copyright©2014byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0/AbstractTheviscositya
4、bnormalitycausedbytheasphaltenesandresinsinheavyoilreflectsthecharacte-risticsofheavyoilreservoirsandhasveryimportantinfluenceonseepageruleofheavyoil.Theoilsamplescontainingdifferentheavyoilratiowereprepared.Therheologicalpropertiesofdif-ferentviscosityoilsam
5、pleanditsflowcharacteristicsinporousmediawereexperimentallystu-diedbytherheometerandthecoredisplacementdevice.Theeffectsofviscositytopercolationcharacteristicofheavyoilwereanalyzedindetail.Theresultsshowthenon-Newtonianseepagecharacteristicofoilsamplesinporou
6、smediaenhanceswithincreasingtheproportionofheavyoilintheoilsamples.Thesmallerthepermeabilityoftheporousmedia,thenon-Newtonianbehaviorofoilsamplesismoreobvious.Astheheavyoilratioincreases,therelativepermeabilityofwaterincreasesrapidlyandtheoilrelativepermeabil
7、itydecreasessharplywhichbecomeworseattheoilrecoveryeffect.Theinfluenceonrelativepermeabilityoffluidsinthelowerpermeabilitycoresismorethanhighpermeabilityones.Thewatercutincreasesrapidlyintheproducedfluidswithincreasingtheproportionofheavyoilintheoilsample.The
8、lowerthepermeabilityofthecores,thewatercutwithrecoverypercentincreasesmorerapidly.KeywordsViscosity,HeavyOilReservoirs,PercolationCharacteristic,Two-PhaseSeepage,OilDisplacementEfficiency
