葡北二斷塊套損區(qū)合理注水壓力研究.pdf

1、大慶石油學(xué)院碩士學(xué)位論文葡北二斷塊套損區(qū)合理注水壓力研究姓名：呂波申請學(xué)位級別：碩士專業(yè)：油氣田開發(fā)工程指導(dǎo)教師：王立軍20070220AbstractThestudyonrationalfloodingpressureincasingdamageareaofNo2BlockofPubeiAbstractAsforgreatmajorityroutineoilfields，waterinjectionistokeepthereservo

2、irenergy，makesalloilfieldgetrationalhigh—effectdevelopmentguarantee，F(xiàn)loodingpressuredecidesthequantityofinjectedwaterandtheeffectofwaterinjectionToohi曲floodingpressureiseasytodamagetheeasingpipe；toolowfloodingpressureCal

3、lnotmakethereservoirenergygeteffectivecomplementThereforerationalfloodingpressureopensupoilfieldsinwaterdrivebeakeyThecasingdamageisseriouslyincasingdamageareaofNo2BlockofPubei，andformationpressureisextremelyunbalancedTh

4、eoilweltisnotabletoworkregularlyandwaterinjectionisunabletorestoreformationpressureverywell，whichhasproduceddisadvantageouseffecttooilfielddevelopment，Bystudyingmaximumallowablefloodingpressureandthebalanceformationpress

5、ure，thisstudyascertainasynthesisadjustingschemeteachcontrolorslowdowncasingdamage，tobalancesouthandnorthpressure，toimproveoilfielddevelopmentultimatelyThemechanismofcasingdamageandtherelationofwaterinjectionandcasingdama

6、geisbestudiedExtrahighfloodingpressureleadstocasingdamageSowaterinjectionisunabletoworkwellandformationpressureisdifficulttorestore，andthisbroughtabouttheareaformationpressureimbalance，Thereforeitisusefultoknowthatagainp

7、roducerinjectabilityandmaximumallowablefloodingpressure，ensurethatrationalwaterinjectioncarlcontrolofthecasingdamageandslowdownformationpressureunbalanceandreachrationalhigheffectexploitationultimatelyFirstly，thestudyhav

8、ebuiltcalculationmodelofmaximumallowablefloodingpressureAccordingtorealivsetofcasingdamageareaofNo2BlockofPubei，obtainvariousmethodtocalculatetheparameterandcarryoutverificationonvariousmethodsTheaccurateratesatisfiespro

9、jectneedThen，analysesproducerinjectability，combiningbalanceofinjectiontoproductionratio，andbuildsbalancepictureinthatareaFinallyaccordingtosystembalancesanalysisresultandthecalculationresultofmaximumallowablefloodingpres

10、sure，unitingreservoirbodydistributionsituationstudies，giveasystemofsynthesisadjustingschemeswhichcontainrejuvenationofcasingdamage，fracturing，andotheradjustingmeasuresThroughNumericalmodeling，oneyearaftertheformationpres

11、sureunbalanceimproveobviouslyForportraitdirectionpressuredistribution，thelargedifferencepressurebetweenlayersimprovesnoticeablyKeywords：fielddevelopmentRationalfloodingpressuremaximumallowablefloodingpressurecasingdamage