强边底水油藏高倍数水驱的数值模拟方法实现及应用

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1、中图分类号：TE341单位代码：11414学号：2013212565题目强边底水油藏高倍数水驱的数值模拟方法实现及应用专业或领域石油与天然气工程研究方向油气田开发工程专业硕士生赵明月指导教师黄世军副教授程林松教授曹仁义讲师现场导师马振昌高级工程师二○一六年五月摘要摘要强边底水油藏地层能量充足，高倍数水驱过程中储层被冲刷的程度较强。常规数值模拟方法无法进行相渗调用以及表征高倍数水驱的过程。论文针对强边底水油藏高倍数水驱的数值模拟实现方法开展了相应的研究。本文首先应用室内物理模拟实验方法对人造岩心进行高倍数驱替相渗实验，分析了高倍数水驱后相渗形态与常规驱

2、替相渗形态的不同以及高倍数驱替条件下的相渗形态特征；其次通过对比常规数值模拟方法与高倍数水驱的数值模拟方法，提出了调用多条相渗插值方法和调用一条高倍数水驱相渗的方法，对比分析了不同实现方法的适用性及优缺点；最后结合实际强边底水油藏应用数值模拟方法，剖析了常规驱替相渗与高倍数水驱相渗的应用效果，结合最终提高采收率的情况，总结了一套适用于该强边底水油藏高倍数水驱的数值模拟方法。论文提出的适用于高倍数水驱油藏的数值模拟方法对于强边底水油藏未来的生产开发方案制定具有重要的指导意义。关键词：强边底水油藏；高倍数水驱；相渗特征；数值模拟应用-II-ABSTRAC

3、TTheRealizationandApplicationofNumericalSimulationwithHigh-expansionWaterFloodinginStrongEdge-and-bottomAquiferReservoirABSTRACTBecauseofthespecialgeographicalenvironmentofabundantenergyedge-bottomwater,thereservoiriswashedmanytimes.Comparedwithconventionalreservoir,high-expans

4、ionwaterfloodingrelativepermeabilitycurveisparticularlyimportant.Itisnecessarytodevelopanewnumericalsimulationmethod.Tosolvetheseproblems,thefollowingjobsareprocessed.Firstly,thephysicalsimulationexperimentmethodisusedtofinishartificialcoredisplacementexperimentsinthisarticle.A

5、ndthecharacteristicsofrelativepermeabilitycurvesareanalyzedafterthephysicalexperiments.Thenthehigh-expansionwaterfloodingrelativepermeabilitycurvesareappliedtostudydifferentapplicationmethodsinnumericalsimulation.Theapplicabilityofthedifferentimplementationmethodsaresummarized.

6、Finally,thenumericalsimulationmethodisappliedinactualstrongedgebottomwaterreservoirtocontrastconventionaldisplacementrelativepermeabilitycurveandhigh-expansionwaterfloodingpermeabilitycurve.Asetofsuitablemethodissummedupforstrongedgebottomwaterreservoirtoenhanceoilrecovery.This

7、paperbreaksthroughthelimitationofthenormalnumericalsimulationmethod.Relativepermeabilitycurvesindifferenthighdisplacementratiosusingfornumericalsimulationmethodisrealized,whichissignificanttomakedevelopmentplanbetterforthestrongedge-and-bottomaquiferreservoir.KeyWords：StrongEdg

8、eBottomWaterReservoir；High-ExpansionWaterFlooding；Rela