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35320075PETROLEUMDRILLINGTECHNIQUESVol135,No13May,2007:2006-12-13;:2007-02-08:(1975-),,1998,,:(022)25803207!#1121(11,300452;21(),518000):,,,,,,,3-1-1,,,:;;;3-1-1:TE249:B:1001-0890(2007)03-0019-0490,,10,9212108m3,[1]400m,,500m75%,,3-1-11482m,3843m,,,,,11),;,,2),,,,3),,,,,,,[2]4),,,,5),,,,6),,;[3]2,,,,,,,,(1),,,,1211,,,(dynamickillingdrill2ing),MWD,,,,,,,80m212,,,2,:,,,,22,20m,138180kN,,,,,,,80%,,:WL=R(WC+WA+WH+WT)(1),WL,kN;R,018110;WC,kN;WA,kN;WH,kN;WT,kN,[4]:Q=WL+0102039(2+lgt)DLp(2),Q,kN;t(10),d;D,mm;L,m;p,MPa213,,,,,0220075,,,,;,,(),,,33113-1-13-1-1Discoverer534,30140m,91414mm8212m,,,215h,3218m/h,,31266014mm91414mm,:66014mm+24415mm++20312mmMWD+66014mm+20312mm1+66014mm+20312mm5+20312mm1+12710mm,1215L/s313,,,015,760kN,595kN,84m,254mm,,95%35m13124L/s,50147L/s,,8212m,623kN11/m/kN/Ls-100451312410045131242089133131243017813124351782231312440178223171415026735625130703565014780356501478235662350147,,;,3060707580m,,,,73m,,,24m3,3070kN,,,MWD0109,,,,41)3-1-1,2),3)12h,,12353:4),,5),,[1]PettingillHS,WeimerP.World2widedeepwaterexplorationandproduction:past,presentandfuture[A].Houston,Texas:21stAnnualResearchConference,2001-12.[2],,,.[J].,2006,34(5):87-90.[3]BridgeJW.Summaryofresultsfromajointindustrystudytodevelopandimprovedmethodologyforpredictionofgeopres2suresfordrillingindeepwater[R].SPE/IADC79845,2003.[4]BeckRD,JacksonCW,HamiltonTK.Reliabledeepwaterstructuralcasinginstallationusingcontrolledjetting[R].SPE22542,1991.[]TheApplicationofJettingTechnologyinDeepwaterDrillingXuRongqiang1ChenJianbing1LiuZhengli2DuWei1(1.OilBaseGroupSupervision&TechnologyCompany,CNOOC,Tanggu,Tianjin,300452,China;2.ShenzhenLimitedBranchCompany,CNOOC,Shekou,Shenzhen,518000,China)Abstract:Theexplorationanddevelopmenthavefocusedincreasinglyontheoffshorereservoirs,whiletherearealotofchallengesanddifficultiesindeepwaterdrilling,andjettingtechnologyisoneofthetech2nologiestosolvetheproblemsofshallowformationdrillingindeepwater.Jettingtechnologycanavoidfracturingtheformationbecauseofthehighmuddensityandavoidimpactingthecementingqualityduetothelowformationtemperature.Thefirstdeepwaterwell,Liwan3-1-1,inChina,utilizesthistechnolo2gytoinstalltheconductorssuccessfullywithouttheproblemofnon2stablewellhead.Withmoreandmoredeepwaterdevelopmentandexploration,jettingtechnologyhasverygoodfutureapplication.Keywords:offshoredrilling;deepwaterdrilling;jettingtechnology;Liwan3-1-1Well,,,2006,,1)5,,2)300500,,3)354)5000:,;,;,,,5)20041,6):()7),,,8)()9),E2mail:syzt@vip11631com;:0534-2670163,267012110)863973,,11)2(),(0534-2670121,2670163),,12),,:syzt@vip11631com,(syzt@vip1sina1comsyzt@chinajournal1net1cn),chn6816@sohu1com,,2220075