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时间:2020-05-12
《反相乳液型减阻剂及滑溜水体系的研发与应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第43卷第1期石油钻探技术Vo1.43NO.12015年1月PETRoIEUMDRILLINGTECHNIQUESJan.,2015页岩气压裂技术专题doi:10.11911/syztjs.201501005反相乳液型减阻剂及滑溜水体系的研发与应用魏娟明,刘建坤,杜凯。,眭世元,贾文峰,吴峙颖(1.中国石化石油工程技术研究院,北京100101;2.中国石化北京化工研究院,北京100013)摘要:由于常规压裂液降阻效果差,对储层伤害大,为了大幅度降低施工摩阻,降低施工压力,改善压裂改造效果,采用反相乳液聚合法合成了一
2、种用于压裂的反相乳液型减阻剂,并以其为主剂,与优选出的配伍性能好、协同效应好的黏土稳定剂、助排剂等复配形成了一种新型滑溜水体系。室内试验表明:0.10~O.15反相乳液型减阻剂溶液的减阻率达到65以上;新型滑溜水体系的减阻率达到65,且具有较高的防膨胀和助排性能,较好的耐温抗盐性能。新型滑溜水体系已在青海、江汉、华北等油田薄互致密储层压裂和页岩油气井分段压裂中进行了应用,表现出了良好的特性,获得了良好的改造效果。该体系能够满足页岩油气储层及致密储层压裂的需要,且能降低大型压裂的施工成本。关键词:压裂滑溜水减阻剂压裂
3、液性能页岩气中图分类号:TE357.1文献标识码:A文章编号:1001—0890(2015)01—0027—06TheDevelopmentandApplicationofInverseEmulsifiedFrictionReducerandSlickwaterSystemWeiJuanming,LiuJiankun,DuKai,SuiShiyuan,JiaWenfeng,WuZhiying(1.SinopecResearchInstituteofPetroleumEngineering,Beijing,10010
4、1,China;2.SinopecBeijingResearchInstitute0fChemicalIndustry,Beiing,100013,ina)Abstract:Dueto1OWfrictionreductionandhighformationdamagecausedbyconventionalfracturingfluidsaswel1asthehighcostofimportedslickwatersystems,alow-cost。low-damageinverseemulsifiedfricti
5、onreducerandslickwatersystemweredevelopedwhichwouldsignificantlyreduceresistanceandtreatmentpressureinfieldoperationsandgreatlyimprovestimulationeffect.Theinverseemulsifiedfrictionreducerwassynthesizedbyinverseemulsionpolymerizationmethod,whichwasusedasmainage
6、ntinnewaslickwatersystemcomprisedofoptimalclaystabilizerandacleanupagentwithgoodcompatibilityandsynergy.Labexperimentsshowedthattheresistancereductionrateofinverseemulsifiedfrictionreducersolutionwithconcentrationof0.10一0.15reached65orhigherandtheresistancered
7、uctionrateofthenewslickwatersystemreached65.Inaddition,thenewslickwatersystemdisplayedsuperioranti—swelling,cleanup,temperature—resistance,andbrinetolerancecharacteristics.Thenewslickwatersystemhasbeenappliedinstagedfracturinginthintightreservoirsandshaleoilan
8、dgasreservoirsinQinghai,Jianghan,HuabeiandSOon,displayinggoodcharacteristicsandapplicationresults,whichindicatethatthenewslickwatersystemcouldmeettherequirementsforfracturingshalea
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