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1、中國石油大學(xué)(華東)碩士學(xué)位論文底水油藏水平井開采機理研究姓名:苑燕燕申請學(xué)位級別:碩士專業(yè):油氣田開發(fā)工程指導(dǎo)教師:姚軍20060301底水油藏水平井開采機理研究苑燕燕(油氣田開發(fā)工程)指導(dǎo)教師:姚軍(教授)摘要國內(nèi)外許多油田具有底水,如何控制底水、實現(xiàn)高效開發(fā)足油田的實際生產(chǎn)面臨的亟待解決的問題。論文針對具有底水的砂巖和碳酸鹽巖油臧開展水平井丌采時底水上升機理、影響因素以及有效控制方法等進(jìn)行了研究。通過建立各類水平井/油藏地質(zhì)概念模型,運用油減數(shù)值模擬軟件模擬水平井丌采時的生產(chǎn)過程以及底水上升過程,分析水平井丌采砂巖底水油藏、裂
2、縫性底水油藏時油藏巖石的a日潯性、沉積韻律、垂直滲透率與水平滲透率之比、底水大小、水平井的垂向位置,水平芽產(chǎn)量、東甲段射孔位胃、打丌程度以及人造隔板的大小、形狀和位霄等對底水油藏水甲井丌采效果的影響,并繪制了射孔位置及打丌程度條件下的旋線分卸圖。同時采用正交設(shè)計法對上述綜合因素進(jìn)行了分析研究,定性的晚明了水平井丌采底水油藏時采出程度與各項影口向因素之1.日j的關(guān)系,并且對水平井丌采底水油藏的采水控錐方法進(jìn)行了研究,得到了適合水平井丌采底水油藏的采水控錐條件。關(guān)鍵詞:底水油藏,水平井,開采機理,數(shù)值模擬llStudyoHProduct
3、ionMechanismofHorizontalWellsforReservoirswithBottomWaterYUANYanyan(OilandGasFieldDevelopmentEngineering)DirectedbyProfessorYAOJunAbstractManybottomwaterreservoirsarefoundathomeandabroad,soitissignificanttohowtodevelopthesebottomwaterreservoirs.111epaperstudiesthemecha
4、nismofbottomwaterrising.a(chǎn)ffectingfactorandeffectivemethodsofcontrolledwaterconingforsandstoneandcarbonaterockreservoirswithbottomwateLUtilizingnumericalsimulationsoftware,thepaperanalysesthewettabilityandvertical/horizontalpermeabilityratioofsandstonebottomwaterreservo
5、irandfracturedbottomwaterreservoir.verticallocationandproductionofhorizontalwell,thesize,shape。locationofseparatingboard,sedimentaryrhythmofreservoirbybuildinggeologicmodel.Inordertodemonstratethatthelocationofperforationandopeningpercentagehaveaneffectonproductivityof
6、horizontalwell,streamlineaboutallkindsofperforationaredrewbyuseofMATLAB.Atthesametime,theabovementionedcomprehensivefactorsareanalysedbyuseoforthogonalarray.Andtheresearchindicatestherelationshipbetweendegreeofreserverecoveryandaffectingfactor.Inaddition,themethodofcon
7、trolledwaterconingisputforwardtodevelopbottomwaterreservoiEBytheresearchofthetypeofwell,vertical/horizontalpermeabilityratio,theproductionofwaterextraction,thesizeofbottomwaterandseparatingboard,fittingconditionofconecontrolisprovidedfordevelopingbottomwaterreservoir.K
8、eywords:BottomwaterreservoigHorizontalwell,Productionmechanism,Numericalsimulation獨創(chuàng)性聲明本人聲明所呈交的論文足我個人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得