复杂断块单井液量优化研究

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1、▲夕OptimizationStudyOilLiquid-·ProducingCapacityofSingleWellinComplexFaultBlockOilReservoirYangShu(OilandGasFieldDevelopmentEngineering)DirectedbyAssociateProf．YuLexiangAbstractWithdevelopmentofcomplexfaultblockoilreservoir,thewatercutofsinglewellwilli

2、ncreasefastbutoilproductioncontinuetodecline．Von93-1faultblockofYongAnoilfieldistypicalofthiskindofreservoir．Improvingliquid-producingcapacityofsinglewellisalleffectivemeasllretomaintainoilproductionstable．Howtooptimizeliquid-producingcapacityfordiffe

3、renttypesofsinglewellisimportanttorationaldevelopmentofoilfield．Basedontheresearchstatusathomeandabroadoffluidliftingandproductivity,thispaperresearchestheinfluenceofpressure，liquidproductionindexandwatercutontheliquid-producingcapacity．Combining、衍Ⅱ1g

4、eologicalandproductionresearchofYon93·1faultblock,GeneralizedIPRequationisusedtostudytheinflowperformanceofoilwells，andcurvesbetweenliquid—producingcapacityandbottom-holepressurearepresented．Liquidproductionindexcalculationmethodsofdifferenttypesofres

5、ervoiraresummarized．Combiningwitlltheactualphasepermeabilitydata,curvesbetweendimensionlessliquid(oil)productionindexandwatercutofdifferentlayersarederived．Andcurvesbetweenmaximumfluid-withdrawalrateandwatercutarealsopresented．Thendifferentcalculation

6、methodsareusedtopredicttheactualoilwellwatercut，andthemostsuitablemethodisderived，whichcanbeappliedtopredictfutureinflowperformanceofsinglewells．Basedonthesummarizationofthewaterdrivecurvetypeandapplicability,differentwaterdriveCUlWemethodstocalculate

7、recoverablereservesofsinglewellareobtained．Andoptimummethodispickedup．Potentialoffluidliftingisstudiedandoptimumtimeandrangeoffluidliftingareconfirmed．Reasonablefluidproductionofdifferenttypesofoilreservoirsisalsodetermined．Theseprovidetechnicalsuppor

8、tfortheoilfieldproduction．Keywords：Inflowperformance，Fluidproductivityindex，Reasonablefluidproduction,Fluidlifting▲●▲A目录第一章前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1研究的目的和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯