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聚合物驱技术效果灰色综合评价模型的应用.docx

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聚合物驱技术效果灰色综合评价模型的应用 Title:ApplicationofGreyComprehensiveEvaluationModelintheAssessmentofPolymerFloodingTechnologyPerformance Introduction: Inthefieldofoilrecovery,polymerfloodingtechnologyhasgainedsignificantattentionduetoitseffectivenessinenhancingoilrecoveryandimprovingoildisplacementefficiency.Intheevaluationofpolymerfloodingtechnology,itiscrucialtoconsidermultiplefactorssuchastheinjectionparameters,reservoircharacteristics,andthespecificpolymerused.Acomprehensiveevaluationmodelisneededtoassesstheeffectivenessandapplicabilityofthistechnique.ThispaperaimstohighlighttheapplicationoftheGreyComprehensiveEvaluationModel(GCEM)inassessingtheperformanceofpolymerfloodingtechnology. 1.TheGreyComprehensiveEvaluationModel(GCEM): TheGCEMisananalyticaltoolthatcombinesqualitativeandquantitativeanalysistoassessandranktheperformanceofcomplexsystemsortechnologies.Itutilizesgreymathematicstoovercomethelimitationsoftraditionalevaluationmodels,whichoftenrelyonincompleteoruncertaininformation.TheGCEMtakesintoaccountmultipleevaluationfactorsandassignsweightstoeachfactorbasedontheirsignificance.Thismodelhasbeensuccessfullyappliedinvariousfields,includingenvironmentalimpactassessments,economicevaluations,andperformanceevaluationsofcomplexsystems. 2.FactorsConsideredinPolymerFloodingTechnologyEvaluation: Toevaluatetheperformanceofpolymerfloodingtechnology,severalfactorsneedtobeconsidered: a.InjectionParameters:Thisincludesthepolymerconcentration,injectionrate,andinjectionfluidproperties.Theseparametersdirectlyaffectthedisplacementefficiency,mobilitycontrol,andsweepefficiencyoftheinjectedpolymersolution. b.ReservoirCharacteristics:Thereservoir'sgeologicalandfluidpropertiesinfluencetheeffectivenessofpolymerflooding.Thesecharacteristicsincludepermeability,porosity,reservoirheterogeneity,andpresenceofoil-wetorwater-wetrocksurfaces. c.PolymerProperties:Thetypeandcharacteristicsofthepolymerusedsignificantlyimpactthedisplacementefficiency.Parameterssuchaspolymermolecularweight,rheologicalbehavio