ISSN1008-9446CN13-1265/TE承德石油高等专科学校学报JournalofChengdePetroleumCollege第25卷第1期,2023年2月Vol.25,No.1,Feb.2023高触变可控固化材料及其在水平井中心管控水中的研究与应用万小进1,程利民1,何瑜宁1,卢辰1,魏发林2(1.中海石油(中国)有限公司湛江分公司,广东湛江524057;2.中国石油勘探开发研究院,北京100083)摘要:为了实现海上筛管完井在生产水平井的管外分段及中心管控水工艺,针对南海西部某油田,优选了基于铁/镍稀土的高触变可控固化材料,研究了其流变学特征,形成了固化强度高、工艺风险低的化学管外封隔器,以满足筛管完井水平井控水的充填、安全等要求,并开展了失效自膨胀封隔器修复及层内窜流封堵的现场应用,措施后试验井含水降低21%,产油量增加73m3/d,取得明显控水增油效果,为海上油田水平井控水稳油技术的发展探索了一条新思路。关键词:水平井;筛管;环空化学封隔器;触变特性中图分类号:TE525文献标志码:B文章编号:1008-9446(2023)01-0040-05HighThixotropicControllableCuringMaterialinCentralWaterControlofHorizontalWellWANXiao-jin1,CHENGLi-min1,HEYu-ning1,LUChen1,WEIFa-lin2(1.CNOOCZhanjiangBranch,Zhanjiang524057,Guangdong,China;2.CNPCResearchInstituteofExplorationandDevelopment,Beijing100083,China)Abstract:Inordertorealizetheoffpipesegmentationandcentralwatercontrolprocessofoffshorescreencompletioninproductionhorizontalwells,thispaperselectsahighthixotropiccontrollablecu-ringmaterialbasedonFe/NirareearthforanoilfieldinthewestoftheSouthChinaSea,studiesitsrheologicalcharacteristics,andformsachemicaloffpipepackerwithhighcuringstrengthandlowprocessrisk,whichcanmeetthefillingandsafetyrequirementsofscreencompletionhorizontalwells.Thefieldapplicationofrepairingthefailedselfexpandingpackerandpluggingthechannelingflowintheformationiscarriedout.Afterthemeasures,thewatercontentofthetestwellisreducedby21%,andtheoilproductionisincreasedby73m3/d.Theresultsshowthatthesemeasureshaveachievedobviouseffectofwatercontrolandoilincrease,whichprovidesanewthoughtforthedevel-opmentofwatercontrolandoilstabilizationtechnologyinhorizontalwellsinoffshoreoilfields.Keywords:horizontalwell;screen;annu...