水驅(qū)砂巖油藏特高含水期優(yōu)勢通道定量描述方法研究.pdf

1、中國石油大學（華東）碩士學位論文水驅(qū)砂巖油藏特高含水期優(yōu)勢通道定量描述方法研究姓名：郭勝申請學位級別：碩士專業(yè)：油氣田開發(fā)工程指導教師：崔傳智201205Researchonthemethodofquantitativelydescribingdominantchannelinwaterfloodingsandstonereservoiratultrahighwatercutstage&aoSheng(Oil&GasFieldDevel

2、opmentEngineering)DirectedbyAssociateProfCuiChuanzhiAbstractUnconsolidatedsandstonereservoirsarewidelyspreadandholdabundantrCSe=TVCS，and缸emainlydevelopedwithwaterfloodingmethodAfterseveraldecades’developmentmostofthemhav

3、eenteredhighorextremelyhighwatercutstageFluvialdcpositionalsandstonereservoirswithpositiverhythmandhighpermeabilitygenerallyareburiedinshallowformationandunconsolidatexkAfterlongtimewaterflooding，cementscvenskeletonparti

4、clesmaybesweptawayconsequentlytheradiusesofporesandthroatsbecomelargertherefore，relativelyhighpcrme曲ilityandhighporosityar鼠lSwhichareoftencalleddominantchannelsOC矧tlrBecauseofdominantchannels’existence，竭e曲葩mediumismorein

5、clinedtoflowindominantchannelsratherthanotherchannels，causingtheOccurrcIlCeofverylowsweepingefficiencyandlowrecoveryrateThequantitativedescriptionofdominantchannelsisrelatedtothedesignofprofilecontrolling／watershutoffpro

6、jecttappingpotentialsandtertiaryrecoverySOithas訪talsignificance111eeffectoflongtermwateTfloodonparameterschangeandtheformofdominantchannelhasbeenfocusedoninthispaperBasedonfieldstatisticsandexperimentaldatatherelationshi

7、psbetweenpermeabilityoilviscosityandfloodwaterporevolumemultipleare0btamedTheserelationshipsaleintroducedinthemathematicalmodelusedinconventionalthroedimensionalandthreephaseblackoilmodelUsingfinitedifferencemethods，them

8、athematicalmodelisdiscrctizcdtonumericalmodelnenumericalmodelissolvedby腳ESmethodAtlastcorrespondingnumericalsimulationsoftwareiscompiledusingFORTRANlanguageAccordingtothehighpermeabilityandhighinjectionrateinthedominantc

9、hannel，oilfielddatahasbeenusedtoconfirmthehi出speednon—DarcyflowthgnthreeformulasarecomparedandOneformulaisselectedDiscriminatechartsaremadellsingthisformulaUsingdominantchannelcriterionandtheparametermevariancenumericals