超强吸水树脂堵漏性能研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:2006-11-08;:2007-01-10:(:06ZQ026-028)(:05E7044):(1982-),,2004,:(028)83034286!#(,610500):,,,,,,,,,,,:;;;;;:TE28:A:1001-0890(2007)03-0033-04,20%25%[1],,,,,,,,[2]6242,10%20%,50%,,[3],,[4],,[5](superabsorbentresin,SAR),,[6],,,[7],,,,,,,,,,1,,,,,,[8][9-10]:1,,,,p,,,,,,,,,,,,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:2p=2(1/r1-1/r2)(1),p();;r1;r2,p,,,,,,2,,,2580,,,(pH),,21150mm200mm,,,011511700190117001450190mm,p,3[11]32%1000mL,4h,4g01450190mm,,10min212,,,30min,,,21321311,,,,,4545,,,,,,,p1,,,,4320075©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,,,;,,,,,21312,3(12h804h),,(1)110min/mL018MPa116MPa210MPa312MPa412MPa181811111412h2680,4h781,,,,,,,,,21313(1min)(52mm,13cm),01450190mm,:508082mL/min,410210210MPa,,:,,,;,,,312005924431125m,,40m3,,,8h,41),410MPa,,2),,3),,,,4),,,,53353:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),,,[1]FidanE,BabadagliT,KuruE.Useofcementaslostcircula2tionmaterial2fieldcasestudies[R].IADC/SPE88005,2004.[2],.JSR[J].,2001,29(1):37-38.[3],.[J].,2005,27(2):4-8.[4]EricDavidson,RichardsonLee,ZollerSimon.Controloflostcirculationinfracturedlimestonereservoirs[R].SPE62734,2000.[5]FangCC,ThaemlitzC.Newospar2complianttechnologiesformanagingdrilling2fluidlost2circulationevents[R].SPE94434,2005.[6],,,.[M].:,2004.[7].[M].:,1991.[8],,.JPD[J].,2004,32(1):32-34.[9]LvanCD,QuintanaJL,BlakeLD.Aphron2basedrillingfluid:evolvingtechnologiesforlostcirculationcontrol[R].SPE71377,2001.[10]FrederickBGrowcock,AsifMKhan,GerardASimon.Appli2cationofwater2baseandoil2baseaphronsindrillingfluid[R].SPE80208,2003.[11],,,.[M].:,1997.[]ResearchofPluggingAbilityofSuper2AbsorbentResinDiLiliZhanZhiDuanMingShiTaiheAnYingjunLinYuanhua(KeyLaboratoryforMechanicalandEnvironmentalBehaviorofTubularGoods,SouthwestPetroleumUniversity,Chengdu,Sichuan,610500,China)Abstract:Super2absorbentresinisanideallostcirculationmaterials,whichcansolvetheproblemofviciouslostcirculationduringdrillingandpreventthesolidsandliquidsphaseofdrillingfluidsfrominva2dingintofracturesandcavitiesforcarbonateanddevelopedfracturedreservoirs.Sealingresultsofthesu2per2absorbentresinwereinvestigated.Theloadingcapacityofsuper2absorbentresinwasexaminedunderdifferentconditions,includingdifferentpermeability,temperature.Theexperimentsresultsindicatethat,duringtheprocedureofdecreasinglostcirculationusingsuper2absorbentresin,thelostcirculationisnotalwaysdecreasing,whileitisaprocedurewithincreasing,decreasingandincreasingthreeparts.Thisde2scribesexactlythepluggingmechanismoftheabsorbentresin,whichpreventcirculationlossbybridging,compressingandswellingbyadsorbingwater.Keywords:losscirculation;losscirculationcontrol;mechanism;absorbentresin;resistancetopres2sure;LabtestNUMA,,30124NUMA,437m/d,1130m301245500m,789m,NUMAP125314mm,100120m3/min74h,70h,1130m,16114m/h,6NUMA,,,(concave)(flat)(convex)31130m,2mm6320075