储层岩石物理-岩石及流体性质

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1、RESERVOIRPETROPHYSICSPETE311PETROPHYSICSPetrophysicsisthestudyofrockpropertiesandrockinteractionswithfluids(gases,liquidhydrocarbons,andaqueoussolutions).ModifiedfromTiabandDonaldson,1996,p.1RESERVOIRPETROPHYSICSPETE311COURSEDESCRIPTIONSystematictheoreticalandlaboratorystudyofphysicalpropertie

2、sofpetroleumreservoirrocksLithologyPorosityCompressibilityPermeabilityFluidsaturationsCapillarycharacteristicsRockstressFluid-rockinteractionRESERVOIRPETROPHYSICSCourseObjectivesBythelastdayofclass,thestudentshouldbeableto:Defineporosity;discussthefactorswhichaffectporosityanddescribethemethod

3、sofdeterminingvaluesofporosity;Definethecoefficientofisothermalcompressibilityofreservoirrockanddescribemethodsfordeterminingvaluesofformationcompressibility;ReproducetheDarcyequationindifferentialform,explainitsmeaning,integratetheequationfortypicalreservoirsystems,discussandcalculatetheeffec

4、toffracturesandchannels,anddescribemethodsfordeterminingvaluesofabsolutepermeability;RESERVOIRPETROPHYSICSCourseObjectivesExplainboundarytensionandwettabilityandtheireffectoncapillarypressure,describemethodsofdeterminingvaluesofcapillarypressure,andconvertlaboratorycapillarypressurevaluestores

5、ervoirconditions;Describemethodsofdeterminingfluidsaturationsinreservoirrockandshowrelationshipbetweenfluidsaturationandcapillarypressure;Defineresistivity,electricalformationresistivityfactor,resistivityindex,saturationexponent,andcementationfactorandshowtheirrelationshipanduses;discusslabora

6、torymeasurementofelectricalpropertiesofreservoirrocks;anddemonstratethecalculationsnecessaryinanalyzinglaboratorymeasurements;RESERVOIRPETROPHYSICSCourseObjectivesDefineeffectivepermeability,relativepermeability,andpermeabilityratio;reproducetypicalrelativepermeabilitycurvesandshoweffectofsatu

7、rationhistoryonrelativepermeability;illustratethemeasurementofrelativepermeability;anddemonstratesomeusesofrelativepermeabilitydata.Describethree-phaseflowinreservoirrockandexplainmethodsofdisplayingthree-phaseeffectivepermeability.Demo