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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