Effective Stress Law of Permeability in Tight Sandstone and Limestone

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1、单位代码：11414学号：2014292015题目EffectiveStressLawofPermeabilityinTightSandstoneandLimestone学科专业NaturalGasandPetroleumEngineering研究方向OilandGasFieldDevelopmentEngineering硕士生SwaleheLausi指导教师HaiyangYuJune2017-I-AbstractTightsandstoneandlimestonemaybehighpermeabilitysensitivetostresseschangea

2、ndcansignificantlyaffectreservoirproduction.Thesensitivitylevelcanbeidentifiedusingeffectivestresscoefficientforpermeability(analysisinourtightsandstoneandlimestonereservoirrock.Inthispaperclayparticleandclayshellmodelhavebeenusedtodeducetheeffectivestresscoefficientforpermeabil

3、ityofeffectivestresslawintightsandstoneandlimestone.Thesemodelseachdisplayincreasesthroughincreasesofbothclayamountandelasticmoduliratioofrock&clay.Atthesamevalueofelasticityratioandclayamountofrockusuallyclayparticlemodelgivehighervalueofrelativetomodelofclayshell.Withapplicat

4、ionoftheeffectivestresslawmaybeimprovedtobetterpredictionofpermeabilityandeffectivestressrelationshipinlaboratorycoreexperimentoftightsandstoneandlimestone.Improvingoftheplottedcurvesofpermeabilityandeffectivestressrelationshipthroughappliedwillconveygoodplanforreservoirmanagem

5、entandachievingoptimumrecoveryKeywords:Effectivestresscoefficientforpermeability,Clayshell&Clayparticlemodel,elasticmoduliratio,Clayamount,permeability忨-II-目录目录Abstract............................................................................................................

6、..............IICHAPTER1INTRODUCTION....................................................................................11.1PROBLEMSTATEMENT..............................................................................11.2OBJECTIVES..................................................

7、.................................................2CHAPTER2LITERATURESREVIEW......................................................................42.1TightSandstone&Limestone..........................................................................42.2ModelsofPermeabilityandEffectSt

8、ressRelationship..........