国外深水固井水泥浆技术进展

242Vol.24No.22007625OilfieldChemistry25June,2007:100024092(2007)0220175204X,,(,300451):20,:;,;:318:;;;;;:TE256+.7:TE256+.6:TE5256+.1:A20,,;;;,,,2005,,1,,,:,011,,,305914m,,,,,,,,:;,,;22070,,,,X:2006210231:(1979-),,,(2001)(2004),,:30045140,:022-66310331,E2mail:[e-mail],2.1,,ShlumbergerDeepCRETE,,(),,1DeepCRETEAnadarkoDeepCRETE26(660.4mm)20(50810mm)MarcopoloGreenCanyou,AnadarkoDeep2CRETE620(508.0mm),,1(18)DeepCRETEG[1]0.75,50%,20%45%(,)G5%25%612mG35%65%150200m,1.5%():45%,30%,1%,5%6%2.2,,,,2000,Villar[2]20%45%(,;,5%30%),5%25%,35%65%,25%50%,0.0757.5m220,150mC/A1,CA40%,,CACAH10,20,80%24h(2),,2(20)[3]:ASTM,1%75%(),0.4%(0.5%0.2%)20.6%,()35,671200710345kPa2.3,[4]1156g/cm3,1515345kPa,16.53450kPa,227452kPa2.4,,,70,01962116g/cm3Griffith[5],,1998,Stiles[6],0.6%3%,0.30.5332003,Raghava[7](,),CaO20%40%,Al2O360%80%,(),0.300.40,,,,1.321.44g/cm3,(60%64%)(30%33%)(3%10%),2%3%,1,24h1(1.96g/cm3,1.44g/cm3)3/%/h:min(10,24h)/MPa10.401.001.00(A)--350-20.401.001.00(A)--1110-30.361.001.00(A)-6.0800-40.361.001.00(A)-6.0721-50.361.001.00(A)-8.03401.2460.401.001.00(B)--1200-70.381.001.00(B)-4.0540-80.361.000.75(B)-8.0100-90.381.000.75(B)0.254.0239-100.381.000.75(B)0.254.0305-110.381.001.00(B)0.1254.04552.64120.371.001.20(B)0.1504.8-2.323,3;50%,63.3%,31.7%5%;30000(A)50000(B)40%;33%;33%771242,,:Brothers[8]:;()(),0.2%0.5%;,0.5%1.5%;,1.321.44g/cm3;(60%64%)(30%33%)(3%10%),2%3%;0.400.50,1.11.4g/cm3,35713,3,,,,,,,:[1]GarnierA,MichauxM,RevilP.Cementationproductanduseforcementingoilwellsorthelike[P].US6656265,2003212202.[2]VillarJ,BaretJF,MichauxM,etal.Cementingcompositionsandapplicationsofsuchcompositionstocementingoil[P].US6060535,2000205209.[3]BoncanVG,MuellerDT,RogersMJ,etal.Methodandcomposi2tionsforuseincementing[P].US6145591,2000211214.[4]EwoutBiezen,KrisRavi.Designingeffectivezonalisolationforhigh2pressure/high2temperatureandlowtemperaturewells[Z].SPE/IADC57583,1999.[5]GriffithJE.Methodforcementinginaformationsubjecttowaterinflux[P].US5484019,1996201216.[6]StilesDA,DeRozieresJM.Compositionsandmethodsforcement2ingawell[P].US5806594,1998209215.[7]RaghavaRB,FitzgeraldRM.Cementingcasingstringsindeepwa2teroffshorewells[P].US6630021,2003201209.[8]BrothersLE,PalmerAV.Cementingindeepwateroffshorewells[P].US2001030044,2001210218.AdvancesinDeepWaterCementingTechnologyZHANGQing2Yu,ZOUJian2Long,ZHUHai2Jin(CNPCResearchInstituteofEngineeringTechnology,Tanggu,Tianjin300451,PRofChina)Abstract:Intherecent20years,theoilandgasexplorationanddevelopmentindeepwaterareasbecomemoreandmoreimportant.Theproblemsencounteredindeepwaterwellcementingarelowtemperaturesofboreholes,narrowgapbetweenporeandfracturingpressuresinformations,highsusceptibilitytofluidintrusion,andcreationofinterzonalchannellings.Severalcementslurriesfordeep2waterwellsdevelopedabroadandinChinaarepresentedandtheseare:slurriesofcementwithoptimizedparticlesizedistribution,highaluminouscementslurries,quicksettinggypsumslurries,andfoamedcementslurries.Keywords:wellcementing;cementingslurries;deepwaterwells;lowtemperatures;particlesizedistributionoptimization;re2view(187continuedfromp.187)Abstract:Theplugging/sealingagentsandtechnologiesusedinHenanoilfieldsattheirlatedevelopmentalstagewithultrahighwatercutarereviewed.Theplugging/sealingagentspresentedare:modifiedurea/formaldehyderesinbasedwaterpluggingagentHN2DS205ofhighstrength;ultrafinecementsealingslurry;causticizedsludgebasedparticulatedprofiling/pluggingagentforsteamhuff2puffwells;andparticulatedsolidsforpluggingedgewaterinheavyoilwells.Themethodsandtechnologiesdecribedare:treatingmea2suresforlowefficacyoilwellsincludingwaterplugging;pluggingbigpassagesinwaterinjectionwells;sealinginterzonalchannellingsoutsidecasing;sealingcasingleackages;plugginginterwellsteamchannellingsandpassages;andpluggingedgewaterinheavyoilwells.Keywords:plugging/sealingagents;chemicalplugging/sealingtechnologies;ultrahighwatercutreservoirs;Henanoilfield;review8712007