提高固井界面强度的钻井液研究与应用

35520079PETROLEUMDRILLINGTECHNIQUESVol135,No15Sep.,2007:2007203214;:2007206214:(:P04070):(1960-),,1983,:[phone]#!11231(11,100083;2.,710065;3.,257200):,,,,,,,,30%,50%;4,,4%:;;;:TE254+.3:B:100120890(2007)0520072204,,[1]:1),,,;2),;3),,;4),,,,,30%50%1,,,,,,,,,,[2]CXKZMGS1),,2)API,,,,,5%,,,,3),,30%©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:1310%+013%CMC()+011%KPAM+012%JT2888();2310%+013%CMC(+110%+011%NaOH+013%FCLS();38%;4310%+017%CMC()+011%K2PAM+210%PSP+210%+011%NaOH()1CXKZ/MPa11223344A11500170012501521410061300120010251627384B0150110601251122515001141100010291102113124C110001342510021182100110881000114:AG+10%CXKZ;BG+20%CXKZ;CG+30%CXKZ;0144,1,20%30%CXKZ,,30%CXKZ,,CXKZ212,,,,,[3]232FS/MPa12+10%FS3+20%FS4+30%FS56+10%FS7+20%FS8+30%FSDE310001040015011720012501440815001400410011326012501300315031440115011800:310%+013%CMC()+011%KPAM+012%JT2888();DG,0144;EG+20%FS,0144;3CXKZ/MPa910+10%CXKZ11+20%CXKZ12+30%CXKZ1314+10%CXKZ15+20%CXKZ16+30%CXKZDB3100104215011221100132810015201511064100128131521723101102:1),20%FSFS,37355:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),CXKZ,10%CXKZ;CXKZ,,FSCXKZ;FS,FS,,FS3)CXKZ,CXKZ,,20%FS,FS,,,CXKZFS4),[4],;,,213,121(25)2(200)12,23,,,,,,,,,,1122212295216291):;:1()G+215%+018%+110%+0125%;2()G+310%+210%+115%+215%+015%+20%2):;4720079©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)44/m,%()/m3112223140211119(418)12293210217710(713)523480312316(418)16293150115810(812)41),2)3,50%3)4,4%,[1],.[J].,2005,33(6):125.[2].[J].,1999,27(1):35246.[3],.CY21[J].,2006,34(1):32235.[4],.[J].,2006,23(2):70275.[]ResearchandApplicationofDrillingFluidtoImprovetheCementBondingInterfaceStrengthLiJiafen1SuChangming1YangZhenjie2SongBenling3ZhangJinshuang1(1.PetroleumExplorationandProductionResearchInstitute,Sinopec,Beijing,100083,China;2.SchoolofPetroleumEngineering,XipanUniversityofPetroleum,Xipan,Shanxi,710065,China;3.BohaiDrillingCompany,ShengliPetroleumAdministration,Dongying,Shandong,257200,China)Abstract:Addingultrafineactivatedmineralandwellborestabilitymaterialintodrillingfluidcanmakethestructureofcementstonestrongerandtheintensityofcement2to2formationinterfacehigher.Addingspecialactivatedmineralmicrolithintodrillingfluidwillmakeabundantfreesurfacewithupperen2ergyinthegel,providefavorableconditionsforthehydratereactionofmudcakeanddecreasethepotentialbarrierofhydratenucleationreaction,makethehydratereactionevenly.Atlastitcanconsolidatethebondinginterfaceintensityessentially.Throughexperimentalstudies,thefirstbondinginterfacestrengthcanbeimprovedby30%andthesecondby50%.Theapplicationresultsin4wellsshowthatthequantitiesofallthefourwellsareexcellentandtheaveragewelldiameterenlargementrateislessthen4%.Keywords:activatedmineral;drillingfluid;bondstrength;cementingquality,,,(LWD),,,,,Web,,,,57355:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.