深层油田人工举升采油技术

:1000-2634(2002)02-0038-03深层油田人工举升采油技术史云清(,457001):深层油田的开发对油田开发工作者提出了新的挑战,由于深井具有高压和高温等特点,因此对钻井和采油提出了较高的要求针对深层油田的特点,对各种人工举升采油方法进行总结,分析和总结了深井人工举升采油方法,用实例说明水力泵有杆泵气举和电潜泵在深层油田采油中的应用:深层油田;人工举升;采油:TE355.3:A4500m,6000m,,4000m,1920,1993,4500m16650,,,,,4500m,,,,,,1,,,,,,5580m2,,,,2.1,,,,4500m,,,1982,16,,,,1981919829,4124D14,,25000,,19829,,9214124D,,,,:(1),242西南石油学院学报Vol.24No.220024JournalofSouthwestPetroleumInstituteApr2002:2001-08-30:(1962-),(),,,,1753,1108;(2),,;(3);(4)RODCAL4124D,4495m2.2,,,,,4500m,2080,,,,4500m,,,3100,,,,,,,198510%,,,,,1970,4724m,290(145),10%,1981,,,,,,(4724m),50%~95%,,,,,,,Helms544724m,45695kPa,9139kPa,75%,,,,,HelmHelms54,,,,4,,,,,,300(150),,,Yowlume1974,1982,(AOGC),,3871m,1988,Yowlume1233t/d,55Yowlume,457m3/d,,,,,,,(1)Yowlume,,,1989,ARCOYowlume392:88X3,,516,,1990,1/192000140000/(/)1000016400/(/)0.200.25/(t/d)227301/t291781291781/a1612/35300006720000,,,;,,:[1]KhatibMAAI,Sadik.DesignandtechniquesoftestingandevaluationofdeepKhuffwells[C].SPE13682.[2]MoritzJ,SpoerkerHF.Zisterdorf:thedeepestwellinEuropewithaTDof8553m[C].SPE/IADC13486.[3]ChristFC,PetrieHL.Obtaininglowbottompressuresindeepwellsusinghydraulicjetpumps[C].SPE15177.[4]GottCI.Successfulrodpumpingat14500ft[C].SPE12198.[5]ThomasRayW.Highpressure/hightemperaturesealsforoilandgasproduction[C].SPE39573.[6]BenderEA.Longstrokedeepwellpumpingunit[P].US5018350.[7]HicksAW.Usingfiberglasssuckerrodsindeepwells[C].SPE14974.(编辑彭雪雪)(37)203.69m3/d,22.63m3/d,17;203.89,2001J26(1)361,,,;(2),361YS01;(3)361203.89,17,,361:[1].[M].:,1995.[2].361[J].,1998,20(1):90-93.(编辑彭雪雪)402002lished.Thismodelcanbeusedtoinvestigatevariouswellboreconfigurations,suchasperforationlength,location,wellboreangleandpermeabilityvariation.AccordingtotheStehfest!snumericinversionalgorithm,thetypecurveofthepressuredrawdownprovidesawaytoconductwelltestinterpretationanddeliverabilityprediction.OntheLogLogplot,therearetwopiecesofpressurederivativehorizontalsegments.Thefirstrepresentstheearlyradialflowandthesecondindicatesthepseudoradialflow.Underthesameperforationintervalcondition,inclinedorhorizontalwelliseasiertoallowfluidflowthanverticalwell,whichcanmakefulluseofthereservoirenergy.KeyWords:WelltestInterpretation;Inclinedwell;Lateralwell;Transientpressuredata;MathematicalmodelANIMPROVEDFINITEELEMENTMETHODTOSOLVETHECOUPLINGMODELOFHOTFLUID&RESERVOIRWANGZiming(SouthwestPetroleumInstitute,NanchongSichuan637001,China),DUZhimin.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.24,NO.2,28-30,2002(ISSN1000-2634,INCHINESE)Inthispaperapracticalnumericalcomputationmethod,namelyimprovedfiniteelementmethodtosolvefluidflowindeformingreservoirispresented,whichisusedtosolvethethermalequationandrockdeformingequationbycombiningwithfinitedifferencemethod.Sincethefiniteelementmethodhasitsownadvantagesindesigninggridsystemandtreatingcomplicatedreservoirboundaryandithasbeensuccessfullyappliedtofluidfieldstudy,itisusedtosolvethecomplicatedmathematicalmodelofhotfluidflowanddeformingreservoir.Theresultsfromcasestudyindicatethatthenewmethodisbetterthananyotherfiniteelementorfinitedifferencemethods.KeyWords:hotfluidsolidinteraction;oilreservoir;finiteelementmethod;finitedifferencemethod;reservoirnumericalsimulationANALYSISOFTHEREASONSFORTHEDESCENDENTINJECTIVITYOFINJECTIONWELLSINRONGXINGTUNOILFIELDLIHongjian(SouthwestPetroleumInstitute,NanchongSichuan637001,China),LIHaitao,SONGDongbin,etal.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.24,NO.2,31-34,2002(ISSN1000-2634,INCHINESE)AcomprehensivestudyhasbeenmadeonthedescendentinjectivityofinjectionwellsinRongxingtunoilfield,basedonexperimentaldata,insitusamplingandanalyses.Theresultsshowthatthedescendentinjectivitycouldbelargelyaccountedforbypoorreservoirquality,poorqualityoftheinjectionwater,theincompatibilityofthewaterinjectedandthatintheformation,andtheimproperintensityofinjection.Conclusinsmadeintheworkprovidedvaluablereferenceforthefurtherinjectionmeasuresinthisfield.KeyWords:waterinjectionwell;injectivity;reservoirquality;compatibility;injectionintensityDIAGNOSISOFREASONSFOROILWELLPLUGGINGANDCHEMICALREMEDIALTREATMENTTESTSATTWOOILFIELDSINBOHAIBAYGUANDe(ChinaNationalOffshoreOilCorporationTianjinBranch,TangguTianjin300452,China),YANGZhai,ZHANGYong,etal.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.24,NO.2,35-37,2002(ISSN1000-2634,INCHINESE)Thecharacteristicsofreservoirsandcrudeoil,wayofdrillingandcompletionatChenbeiandSuizhong361oilfieldhavebeenbrieflyintroducedinthispaper.Afteranalyzingthecausesofoilwellplugging,theinsituremedialoperationtechniqueshavebeenstudied.AchemicalagentcalledYS01againstorganicscaleshasbeendevelopedandusedfieldtest.ResultsshowthattheplugremoverYS01isveryeffectiveineliminatingorganicscaledamageexistedinthenearwellregion,andhasremarkableproductionstimulation.Theaveragelifespanofninewellsafterremedialtreatmenthasexceeded200daysandacquiredgreateconomicbenefits.Thesuccessfulapplicationwillbeverynutritioustowellsurveillance,pluggingcausesanalysis,welloperationtechnology,developmentofplugremover,wellselectionforpluggingremovalandremedialtreatmentinsimilaroilfieldsofBoh