水平井注水井網(wǎng)優(yōu)化研究——以阿曼五區(qū)Daleel油田B塊油藏為例.pdf

1、中國石油勘探開發(fā)研究院碩士學(xué)位論文水平井注水井網(wǎng)優(yōu)化研究——以阿曼五區(qū)Daleel油田B塊油藏為例姓名：張李平申請學(xué)位級別：碩士專業(yè)：油氣田開發(fā)工程指導(dǎo)教師：穆龍新范子菲20050301中國石油勘探開發(fā)研究院碩士學(xué)位論文AbstractThetechnologyofhorizontalwellwaterfloodingisanewandpromisingtechnologyEspeciallyinthelowpermeabilityre

2、servoir，thistechnologyearlnotonlyreducetheinjectionpressure，increasetheinjectionrate，generateabundantthermalfracture，butalsogreatlyimprovetheoildisplacementefficiencyGenerallyspeaking，homogeneous，low—permeabilitythinlaye

3、rsparsepattemandlowmobilityratieservoirsadaptwelltowaterfloodingofhorizontalwellsAsforgoodqualityreservoirifitCallbeexploitedwellbyverticalwells，weusuallychoosetheverticalwellsastheoptimumplanIntegratingtheworkofpredeces

4、sors，thispaperisbaseOnGigertheoryanddeducesthesinglephasepercolationtheoryofhorizontalwellsandmulti—lateralwellsinthetheoreticalstudyofhorizontalwellspatternThen，usingthetheoriesofsimilarityofwaterandelectricitypotential

5、superpositionandequivalenceflowresistancemethod，thispaperdeducestheproductionformulasofvariouswellpatterns，includingthemixedarealwellpatternsofverticalwellsandhorizontalwells，theinterlacedline—drivewellnetworkandthestrai

6、ghtrowwellpatternAccordingtotheseformulas，thispaperanalyzestheinfluencefactorsofproductivityandprovidesthebasictheoriesforthedesignofhorizontalwellswaterfloodingInthestudyofthespecificexample，thispapertakesblockBofDaleel

7、fieldinblock5OmanasanexampleFirst，thispaperstudiestheadaptabilityofreservoirsexploitedbywaterfloodingofhorizontalwellsTheresultshaveshownthat：thethicknessoflayersofblockBismoderate；thetypeofreservoirismonotrematousmedium

8、；thepetrophysicalcharacteristicsarehomogeneousinplane；thecoeffientofpermeabilitydeclineswiththedepth；thequalityofoilisgood；viscosityratioofoilandwaterislowTherefore，blockBadaptstowaterfloodingbyhorizontalwellsThen，variou

9、shorizontalwellpatternshavebeenstudiedthroughthetechnologyofnumericalsimulationTheparametersoftheoptimumwellpatternareasfollows：thepatterntypeisthehorizontalwellpattern；injectionlateralsarelocatedinthetopofDlayer；product

10、ionlateralsarelocatedinthebottomofDlayer；injectionproductionratiois15：l：theinterspacingis150m；the叫ectionpressureis3100psi；thetimeofwaterfloodingis2005Theproductionresultsofpredictioninthesucceeding20yearsfromthenumerical