蒸汽驅(qū)全程熱損及注汽參數(shù)優(yōu)選研究

1、大慶石油學院碩士學位論文蒸汽驅(qū)全程熱損及注汽參數(shù)優(yōu)選研究姓名：孫永濤申請學位級別：碩士專業(yè)：油氣田開發(fā)工程指導教師：劉永建20070220ABSTRACTStudyoftheOmnidistanceHeatLossesandOptimizationofInjectedSteamParametersinSteamDriveAbstraetOurcountryhasabundantheavyoilresource，becauseoftheh

2、i曲viscosityandthebigflowresistanceinreservoirandwellbore，thermalrecoverybyinjectingsteamisavalidmethodnowtodevelopthemSteamdriveisthemainstageofthermaIrecoveryanditcallenhanceabout20to30percentofrecoveryforheavyoilreserv

3、oirmorethagthehufrandpuftHeatwillbelostandtheerieetofsteamdrivewillbedecreasedduringtheinjectprocessofsteamwithhightemperatureandhigllpressurethroughsurfacelineandwellboreatthattimetheparametersofsteam啪bechangedInorderto

4、knowthechangeruleofsteamparametersandthesituationofheatlOSSclearlysoweCallforecasttheeffectofsteamdriveandoptimizetheparametersofinjectedsteamquicklyThebelowworksweredidinthispaperFirstly。theinfluenceofdifferentsteaminje

5、ctedparametersforfiushingefficiencyaboutsteamdrivebyexperimentofsteamdriveiscarriedoutinthispaperBasedontheinvestigationofdataaboutheavyoildevelopmentbysteamdrivethesurfaceIineandwellboreareconsideredtogetherHeatlossmode

6、lofsurfacelineandwellborehasbeenestablishedusingtransientheattransferprincipletheformulationofeachparameterduringtheprocessofsteaminjectionhasbeengiven，andnumericalcalculationmethodhasbeenusedtocomputethismodelConsidered

7、thelapoutofsteamdriveasuitofsteamdriveanalyticalmodelhasbeenestablished，andfinallythecomputerprogramhasbeenprogrammedinthispaperCombinedwiththedataofQi40steamdrivepilotsectionofLiaoheOilfield，thecalculatemodelhasbeenchec

8、kedoutusingtheprogramThantheinfluenceofeverysteaminjectedparametertotheheatlossofsurfacelinehasbeencalculatedandanalyzed，andthereceptanceandtheinfluencetotheheatlossinwellboreofthesteaminjectedparametershavebeenanalyzedT

9、hechangeofphysicalpropertyofsteaminthewholeprocessofsteaminjectionhasbe∞calculatedthrou吐thecouplingbetweensurfacelineandwellbore111edataof1029wellgroupofQi40sectionhavebeencalculatedusingtheprogramandthesteaminjectedpara