特超稠油井井筒溫度場計算與分析.pdf

1、中國石油大學（華東）碩士學位論文特超稠油井井筒溫度場計算與分析姓名：王誼申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：陳德春王旭20080901CalculationandAnalysisofWeilboreTemperatureDistributionintheSuperHeavyOilfieldWang—Yi(OilandGasEngineering)DirectedbyViceProfessorChenDechunandSen

2、iorEngineerWangXuAbstractThetemperaturechangeinawellboreaffectsoilproductiondirectlyduringtheproductionofoilwell，especiallythesuperheavyoilproductionAmodeltocalculatethedistributionoftemperature，pressureandsteamqualityin

3、thewellboreduringtheproductionofsuperheavyoilsteam—injectionisdevelopedbyanalyzingtherelateddomesticandoverseasresearchesonthebasisofthetheoryofverticalmultiphaseflowandthelawofenergyconservationConsideringthecorrelativi

4、tyamongthepressure，temperatureandsteamqualitysyntheticallythefourranksRungeKuttamethodisusedtocalculatethesteamparametersinthispaperAmathematicalmodelisdevelopedtocalculatethetemperaturedistributioninthewellboreconsideri

5、ngtheasymmetryofthewellfluidsinsuperheavyoilwellwhenelectricheatingrodisusedtoproduceheavyoilTheFullyImplicitMethodisusedtosolvethismodelbasedontheconsiderationthatthecharactersuchastheviscositydensityandcoefficientofhea

6、tconductivityofextraheavyoilaresensitivetotheunknowntemperatureTherelevantsoftwareforcalculatingismadeusingVBlanguagebasedonthemathematicmodelbywhichthetemperaturedistributionofthefluidinthewellboreiscalculatedindifferen

7、tsituationssuchasheatingpoweroilrate，watercutandformationtemperatureTheresultissatisfactorywhencomparedmtllpracticaldataoftheoilfields，anditisadvisabletousethismodelinpracticeThesensibilitiesofthenumerablefactorswhichCan

8、affectthetemperatureinandaroundthewellboreareanalyzedusingthesoftwareinthispaperTheoryandmeansaresuppliedaccordingtesearchonparticularsuperthickoilwellpitshafttemperaturedistributioncalculationandanalysisThisresearchwill

9、playasignificantroleinguidingthetechnologyparametersdesignofthattypeoilwell’SsteaminjectionandoilproductionKeywords：wellboretemperaturedistribution，superheavyoil，injectingsteamwell，electricheatingrodwell，sensibilityanaly