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油层物理英文版.ppt

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PETROPHYSICS学习油层物理学的目的学习油层物理学的目的DevelopmentanduseofpetrophysicsReferencesNewWordsTheConstitutionofSandstoneA、sieveanalysismethod(D>0.05mm)B测定原理： 沉积物在水中沉积时，按粗细不同，先后沉降的原理。3）Expreesionofgrainsizedistribution: A、expreesintable B、expreesinfigure 4）grainsizedistributionparameter A、nonuniformitycoefficient不均匀系数 B、sortingcoefficient分选系数 C、standarddeviation标准偏差 5）、averagegrading平均粒度: A、d50 B、dm 2)、Expreesionofspecificsurface: relation: 实验装置: TheConstitutionofSandstoneNewWords2.2Porosity2.2.1DefinitionofPorosity2.2.1DefinitionofPorosity2.2.1DefinitionofPorosity2.2.1DefinitionofPorosity2.2.2ClassificationofPorosity2.2.2ClassificationofPorosity2.2.2ClassificationofPorosityEffectiveporosityistheratiooftheinterconnectedporevolumetothebulkvolume.Flowingporosityistheratiooftheporevolumethatfluidcanflowintothebulkvolume.C.MeasurementofbulkVolumebycoatingtherockwithparaffin封蜡法Example2MeasurmentofPoreVolume A.Boyle’s-law-typeporosimeters Example42)ConnateorinitialwatersaturationSwiPrinciple：2.4Permeabilityofreservoir-rock1Darcy’slawandabsolutepermeability ofrock1Darcy’slawandabsolutepermeability ofrock2Theunitofpermeability3Theconditionsofmeasureingabsolutepermeability Thepermeabilityisapropertieofrockalone,dependentontheporousmedia(sizeanddistributionofthroat)only,notonthefluidused.4Applicableconditionofdarcy’slaw5GasPermeabilityandEffectofGasSlippageonPermeability2).KlinkenbergEffect★Thereasonofwhygaspermeability isgreaterthanliquidPermeability：氢气Thelinearrelationshipbetweentheobserved permeabilityandthereciprocalofmeanpressure maybeexpressedasfollows:6Graduationofformationinpermeability7FACTORSAFFECTINGTHEMAGNITUDEOFPERMEABILITY8Determinationofpermeabilitymeasurementofpermeabilitywithgas Verticalpipeflowmetermethod2)AnotherpossiblecombinationforflowsystemsistohavethebedsofdifferentpermeabilitytobearrangedinseriesasshowninFig.seriescombinationIfthreesublayerhavedifferentpermeability（)，fluidwithlinearflow-parallel，Kisthetotalpermeability,layertotalth