高能气体压裂技术与应用

:1008-2336(2003)03-0069-04:2002-10-08:(1971-),,,1994,,,(,257068):,,:;;:TE357.28:A1(HEGF),,,1;,,100MPa,,/,,,,,,,,,11Tab.1Mainparametersofthreedifferentfractureway(MPa)(s)(MPa/s)(s)10410-710610-610210-310210510-2101010210104,:(1)():35([2],102104MPa/s,38)35m1.21.4,,;,,,(2):,,1025m;,,96233(3):,600-800,,,,,,,(4):CO2CON2NOHClNOHCl,22.1(1),,,,,,(2),35,(3),,,(4),(5)(6),(7)CO2,(8)(9),,,,,2.2(1),(2),38m(3),(4)4000m,2000m(5),403,,,,,,3.1,,,,,142,19886,,3t,,19892,19975143,,,16t,200010t3.2,,,,HEGF3-6-12200013t1t,,,20009,1t9.6t07200393.3,HEGF,,,,,,,,11-60,,,,,20014HEGF,3t8t,3.4,,,,HEGF,,20-66,4.5m,20014.5t,37%,2t,72%3.5,,HEGF,,111-18,12m3,HEGF,57m3418(20028),3342t,1000/t,334.2;5.2/,:(t)(/t)-()(/)=3342t1000/t-185.2/=240.64.8t(18),:4.8t/d300d181000/t-185.2/=2498,,5(1),(2),,,(3),,(4)(5):[1]K.G.,.[M].:,1991.[2],.[M].:,1998.[3],,.[J].,1994(3).[4]CudermanJF,NorthopDA.Apropellant2basedtechnologyformultiplefracturingwellboretoenhancegasrecovery:applicationandresultsinDevonianshale[J].SPE/DOE/GRI12838.(98)17233,.:[1].[M].:,1982.[2]SteveDevereux.PracticalWellPlanningandDrillingManual[M].Tulsa,Oklahoma,USA,PenWellPublishingCo.,1998.TheAnalysisoftheNewandOldDullBitGradingSchemeZHANGZi2feng(Development/EngineeringDepartmentofShanghaiOffshorePetroleumBranch,SINOPEC,Shanghai200120,China)Abstract:Inordertogradetheusedbits,IADCpublishedtheThreePointDullBitGradingScheme.Be2causeitcannotfullyevaluatethedullbitcharacteristics,IADCpublishedtheEightPointDullBitGradingSchemetoreplacetheoldscheme.Incomparisontotheoldscheme,thenewschemecanfullyevaluatethetooth/cutterwear,dullfeaturesandthereasonpullingoftheusedbit.Itsconvenienttouserswhorefertothedullbitgradingfeaturestoselectbitsandchoosereasonabledrillingparametersintheoffsetwells.SoitssuggestedthatthedrillingpersonnelarebettertousetheEightPointDullBitGradingSchemetoevalu2atetheusedbitsratherthantheThreePointDullBitGradingScheme.Keywords:bit;dullbitgrading;threepointdullbitgrading;eightpointdullbitgrading;dullfeature;reasonpulled(71)HighEnergyGasFractureTechnologyandApplicationBOQi2zhong,GEGang,MAGong2lian(XianheOilPlantofShengliOilField,Dongying257068,China)Abstract:ThispaperintroducethemechanismofaugmentedproductionandinjectionofHEGF,andthemechanicalaction,pulseshockwaveaction,thermaleffect,chemicalaction,aswellastheadvantageanddisadvantageofthetechnology.SeveralexamplesoftheapplicationeffectofHEGFinseveralplantsonShenglioilfieldarecorrelatedandanalyzed.TheapplicationofHEGFshowsthatitisaneffectivemeanstoaugmentproductionandinjectioninthedevelopmentofoilfield,anditcanbringaboutbettereconomicben2efit.Keywords:HEGF;augmentproductionandinjection;application8920039