氣藏工程（雙語）知到章節(jié)答案智慧樹2023年中國石油大學(xué)（華東）

氣藏工程（雙語）知到章節(jié)測試答案智慧樹2023年最新中國石油大學(xué)（華東）緒論單元測試Accordingtothephasediagram,thegasreservoircanbedevidedinto().

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puregasreservoir;condensategasreservoirTheunconventionalgasesinclude().

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coalbedmethane;shalegas;gashydrate;tightgas第一章測試Theconstituentsandtheir()inthenaturalgasiscalledthecompositionofnaturalgas.

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proportionsThezfactordependson(),canbemeasuredinthelaboratoryorobtainedfromcorrelations.

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temperature;pressure;gascomposition;specificgravitySeveralgaspropertieshavethesamevaluesforsimilargasesatidenticalvaluesof().

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reducedpressure;reducedtemperatureUnderstandardconditions,wecanexpressthespecificgravityofagasmixtureasratioofapparentmolecularweightofthegasto().

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29Ifasignificantfractionofheavycomponentsispresentinthenaturalgasmixture,laboratorymeasurementsof()oftheC7+fractionarerequiredtousemixingrules.

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molefraction;gravity;themolecularweightTheFVFofagasisdefinedastheratioofgasvolumeatreservoirtemperatureandpressuretothevolumeat().

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standardconditionForanidealgas,theisothermalcoefficientofcompressibilityisthereciprocalof().

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pressureUndertheconditionthatreservoirpressureisgreaterthantheoriginalbubblepointpressure,thesolutiongasoilratiois()thesolutiongasoilratioatbubblepoint.

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equaltoTheconcentrationofdissolvedsolidsinwatercanbemeasuredwithseveraldifferentunits,including(

).

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gramsofsaltperliter;partspermillion;weightpercent;gramsNaclperliterTheeffectofnon-Darcyflowusuallyisincorporatedintofluidflowequationsasanadditional()thatisratedependent.

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skinfactor第二章測試Todevelopanalysisanddesigntechniquesforwelltesting,wemustmakeseveralsimplifyingassumptionsaboutthewellandreservoirbeingmodeled.Theseassumptionsareintroducedasneededtocombine().

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anequationoffluidmotion;theprincipleofmassconservation;anequationofstateIna()reservoir,fluidflowsradiallyfromthereservoirtothewellbore.

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Homogeneous-acting;cylindricalAssumingthatthe()iszero,wecanwriteamassbalanceontheelementaswin-wout=qm.

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netgenerationofmatterAnEOSrelatesvolume(ordensity)to().

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pressure;temperatureTheassumptionofconstantisvalidonlyfor().

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verylowpressureandgasgravitiesathightemperaturesTheassumptionsofideal-reservoirmodelinclude()andnegligiblegravityeffects.

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applicabilityofDarcy’slaw;pressuredependentrockandfluidproperties.;Homogeneousandisotropicporousmedium;uniformthickness,radialflow,smallpressuregradientsUsingthereferencelength,wedefinedimensionlessradiusas().

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rD=r/rwWewouldlikepD=0whenp=pi,pDtoincreasewithtimeandpDtobepositive.SowerewritepDintheform().

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pD=(pi-p)/pc第三章測試Thedrygasesatthesurface“dry”indicatesthatno()forminthesurfaceequipmentduringproduction.

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liquidhydrocarbonsThetotalcumulativegasproductionisthedifferencebetweenoriginalgasinplaceandgasinplaceatsome().

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abandonmentconditionsBecauseofreservoir(),theencroachingwaterdoesnotsweepsomeportionsofthereservoireffectively.

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discontinuities;heterogeneitiesToaccountfortheunsweptportionsofthereservoir,weintroducea()intothevolumetricequation.

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volumetricsweepefficiencyMaterialbalancemethodsprovideasimpleandeffectivemethodsforestimating()atanystageofreservoirdepletion.

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recoveryfactor;originalgasinplace;gasreservesThedominantdrivemechanismofnormalvolumetricdrygasreservoiris()asreservoirpressuredecreases.

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gasexpansionTheMethodsforestimatingwaterinfluxinclude().

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vanEverdingen-Hurstmethod;FetkovichMethod;Carter-TracymethodTodevelopthematerialbalanceequationforavolumetricgeopressuregasreservoirs,thedrivemechanismincluding()duringtheproductivelifeofthereservoir.

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waterexpansion;rockexpansion;gasexpansionIfweanalyzethegeopressuredreservoirusingtechniquesfornormallypressuredreservoirs,wewill()theoriginalgasinplace.

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OverestimateUsingvolumetricmethod,theoriginalgasinplacecanbecalculatedby().

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thickness;porosity;areas;watersaturation;FVFofgasininitial第四章測試Thebasisofdeclinecurveanalysisisthatfutureproductioncontinuestofollowthepasttrend,wecanusethesemodelstoestimate().

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ultimategasreserves;originalgasinplace;skinfactor;remainingproductivelife;formationpermeabilityDependonthevalueofthedeclineexponenthasdifferentforms,theseformsofdeclineare().

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hyperbolic;harmonic;exponentialTheArps’declineequationisbasedonimportantandwidelyviolatedassumptionsincluding().

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unchangingdrainagearea;constantkands;boundarydominatedflow;constantBHPForexponentialdecline,therearesomestraightlinesof().

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lgqVSt;qVSGp（）calledconstantpercentagedecline,ischaracterizedbyadecreaseinproductionrateperunitoftime.

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exponentialTheFetkovichdeclinetypecurvesarebasedon()totheflowequationsforproductionatconstantBHP.

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analyticalsolutionApplicationoftheFetkovichtypecurves,wecanestimate().

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productivelife;reservoirporevolume;gasreserves;skinfactor;permeabilityCarterofferedimprovedaccuracybyplottingfunctionsthatincludethechangesofparameters()ingaspropertieswithpressure.

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Viscosity;CompressibilityFortheharmonicDecline,thedeclineexponentis().

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equalto1Tosolvethearps’equation,weneedtocalculatethreeparametersof().

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initialflowrate;time;declineexponent第五章測試Fortheline-sourcewell,whataretheadditionalassumptions?

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nullFlowperiodsinaverticallyfracturedwellinclude().

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BilinearFlow;EllipticalFlow;PseudoradialFlow;FractureLinearFlow;FormationLinearFlowWemodela()rategasflowtestusingsuperpositionintimemethod.

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variablThebasisofwell-testanalysisforhomogeneous-actingreservoiris().

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theline-sourcesolutiontothediffusivityequationThewellbore()stateflowpressureofgaswellcan