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九龙山气田须二气藏工业气井的控制因素分析.docx

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九龙山气田须二气藏工业气井的控制因素分析 Title:AnalysisofControlFactorsofIndustrialGasWellsintheXueerReservoirofJiulongshanGasField Introduction: Industrialgaswellsplayacrucialroleintheexplorationandexploitationofnaturalgasresources.Understandingthecontrolfactorsofgaswellsisessentialforoptimizingtheproductionandmaximizingtherecoveryofnaturalgas.ThispaperaimstoanalyzethecontrolfactorsofindustrialgaswellsintheXueerReservoiroftheJiulongshanGasField. 1.GeologicalFactors: ThegeologicalfactorsthatinfluencegaswellproductivityintheXueerReservoirincludereservoirproperties,suchasporosity,permeability,andthickness.Thesepropertiesaffecttheabilityofthereservoirrocktostoreandtransmitnaturalgas.Additionally,thepresenceoffaults,fractures,andotherstructuralfeaturescaninfluencetheconnectivityandoverallproductivityofgaswells. 2.PetrophysicalFactors: Petrophysicalfactors,includinglithology,saturation,andfluidcomposition,alsohaveasignificantimpactongaswellperformance.Thelithologydeterminesthetypeofreservoirrockanditsporosityandpermeabilitycharacteristics.Saturationreferstotheamountofgasandotherfluidspresentintheporesofthereservoirrock.Thecompositionoffluids,includingthegas-to-oilratioandpresenceofimpurities,affectsthephysicalbehaviorandcommercialviabilityofthegas. 3.ReservoirPressureandTemperature: Reservoirpressureandtemperaturesignificantlyinfluencegasproduction.Thepressuregradientdeterminestherateatwhichgasflowsthroughthereservoirandupthewellbore.Ifthepressureistoolow,gasflowmaybeinsufficienttoyieldsignificantproductionrates.Conversely,excessivelyhighpressuremayleadtounwantedcomplicationssuchaswaterorgasbreakthrough,formationdamage,orwellcontrolissues.Similarly,reservoirtemperatureaffectsgasbehavior,suchasphasechangesandbehaviorunderdifferentflowrates,impactinggasproductionandoverallwellperformance. 4.WellboreandCompletionDesign: Thedesignofthewellboreandcompletionsystemsplaysavitalroleincontrollinggaswellproductivity.Wellboredesignfactorsincludewelltrajectory,casingdesign,cementingpractices,andproperzo