凝析氣連續(xù)注氣相態(tài)研究.pdf

1、中國(guó)石油勘探開發(fā)研究院碩士學(xué)位論文凝析氣連續(xù)注氣相態(tài)研究姓名：麻麗莉申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：油氣田開發(fā)工程指導(dǎo)教師：劉合年羅凱20050401AbstractMuchattentionhasbeenpaidtophasebehaviorandgasinjectionintogascondensatereservoirsinresentyearsHightemperatureandhighpressuremTin)gascondensat

2、ereservoirshavebeendiscoveredinTadmBasinandBohaiBayBasinTheHTHPconditionsleadtosomenewphasebehaviorpropertiesofreservoirfluidsGasiniectionisaneffectivemethodtoimprovetherecoveryofcondensate，therefore，gasinjectionperforma

3、nceismissuethatneedsfullerstudiesMoreimportantlythegascondensatereservoirsinTarimBasinarethenecessarypartofthefieldsthatserveWestto—EastPipelineThus，studiesofphasebehaviorandgasinjectionperformanceofgascondensatereservoi

4、rofthiskindareconsiderablyemphasizedbypotentialneedfortheprofitabledevelopmentAseriesofexperimentsinthispaperhavebeenperformedongascondensatebehaviorandgas蜥ectionperformanceoftheHTHPreservoirsSomeachievementsareasfollows

5、：1SomephasebehaviorsofthiskindofgascondensatehavebeenobtmnedSimulationsofPVTexperimentresultsusingPVTimoduleofEclipsesoftwareshowthatcurrentcommercialEOSpackageCan’tcorrectlymimicthephasebehaviorofthisnewtypeofgascondens

6、atesThus，thephasebehaviortheoryofgascondensateneedsfartherimprovements2SomenewphenomenonisobservedFirstcondensateoilseparatedfromgaseousphaseingasinjectiontestshashighviscosityandisuneasytomoveingasinjectionexperimentSec

7、ond，doubleretrogradeliquidphasesaredroppedoutwithdecreasingpressurewiththeupperphaseredandthelowerphaseyellowTheinterfaceoftworetrogradeliquidphaseswillnotdisappearuntilamountofliquidhasbeendroppedout3Testswereperformedo

8、nwaxdepositioninHTHPgascondensatebyusingsoliddetectionsystemwithlaserequipmentWaxappearancetemperatureincreaseswithpressurereductionabovedewpointlocushoweverdecreases、^ritllpressuredropbelowdewpointlocus4TheWendsaboutGOR