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122()20104:2009-07-27:(1983-),,,,。,、,、[1]。,,。,。400℃,。4500~6000m,100℃。?,。[2],116℃25%,28~80℃[3]。,。1:(1),();(2),,;(3),[4]。1.1,,、。,(1)。T1T2,Δl,Δl:Δl=al(T2-T1):a—,1/K;l—,mm。3,0.3×10-3~3×10-3K-1。△T,。[6],,:n=Vp-3βsVs(T-T0)[Vp-3βsVs(T-T0)]+[Vs+3βsVs(T-T0)]:βs,3βsVs(T-T0)。1.2,,,,,。,[4]。,,11223(1.,745614;2.,163000;3.,163000):。,,。、,。:;;;:TE21:A:1673-1980(2010)02-0071-0371··,,,,:,。,。,,,。22.1GCTS(RTR-1000:RapidTriaxialRockTestSystem)。、/、、、(、)。140MPa,150℃,1000kN。、、、。2.2,,[5]。23,,-,,。,,。,:σ1=σc-k1t1:σ1,MPa;t1,℃;σc0℃,MPa;k1。:E=E0-k2t2:σ1,GPa;t2,℃;E00℃,GPa;k2。23,,-,,,,。,,。2.34,,,,。、、、。,。,,,,。,,。,()、、[6]。14×10-512×10-510×10-58×10-56×10-54×10-52×10-5020004006008001000/℃α1252015105000.20.40.60.81.01.21.41.6t=10℃t=60℃t=90℃t=150℃ε/%σ/MPa2-t=150℃t=90℃t=30℃t=10℃50403020100σ/MPa00.20.40.60.81.01.21.41.61.82.0ε/%3-72··,,,,:3500300025002000150010005000-200020040060080010001200/℃/MPa4InfluenceAnalysisofTemperatureonRockMechanicalPropertyinDeepWellZHAOYan-dong1ZHAOWen-kui1KEZun-qian2WANGZhi-qun2WUHui-an3(1.ChangqingOilfieldCompany,Qingyang745614;2.OilProductionPlantNo.10,DaqingOilfieldCompany,Daqing163000;3.DrillingCompanyNo.6,DaqingExplorationDrillingCompany,Daqing163000)Abstract:Inthispaper,theinfluenceoftemperatureonrockmechanicalpropertyisstudied.Contactsituationandintensityofmineralparticleschangebecauseofthermalexpansionandcoldcontraction.Therelationbetweenintensityandelasticmodulusofrocksandtemperaturechangeislinearcorrelation.Theinfluenceofthechangeoftemperatureandpressureonrockmechanicalpropertyiscomplex.Keywords:temperature;rockmechanics;mineralparticle;deepwell3:;;。,,。,。,,。3。,,,。;,。,。[1],,.[J].,2002,21(1):102-106.[2]Al-ShayenNA.EffectofConfiningPressureandTempera-tureonMixed-mode(I-II)FractureToughnessofaLime-stoneRock[J].Int.J.RockMech.Min.Sci,2000,37:629-643.[3],,,.[J].,2002,37(1):39-43.[4].、[D].:,2006.[5],,,.、[J].,2006,25(6):1177-1181.[6]LionM,SkoczylasF,LedesertB.EffectofHeatingontheHy-draulicandPoroelasticPropertiesofBourgogneLimestone[J].InternationalJournalofRockMechanicsandMiningSci-ences,2005,42:508-520.73··
本文标题:温度对深井岩石力学性质的影响
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