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1、第40卷第4期石油钻采工艺Vol.40No.42018年7月OILDRILLING&PRODUCTIONTECHNOLOGYJuly2018文章编号:1000–7393(2018)04–0503–06DOI:10.13639/j.odpt.2018.04.018一种基于返排水的新型滑溜水压裂液体系123341周东魁 李宪文 肖勇军 郭兴午 丁飞 余维初1.长江大学;2.长庆油田公司油气工艺研究院;3.中国石油西南油气田分公司;4.荆州市现代菲氏化工科技有限公司引用格式:周东魁,李宪文,肖勇军,郭兴午,丁飞,余维初.一种基于返排水的新型滑溜水压裂液体系[J].石油钻采工艺,2018
2、,40(4):503-508.摘要:页岩油气开发普遍采用大型体积压裂,返排液量大,处理技术难度大且成本高。为了实现返排水的循环利用,对减阻剂、助排剂、页岩抑制剂进行了研发或优选,形成了一种新型滑溜水压裂液体系:0.1%JHFR减阻剂+0.2%JHJZ助排剂+0.25%JHNW页岩抑制剂。室内研究表明:该体系绿色环保、20s速溶、减阻达70%、高抗盐、与返排水配伍性良好。该体系在长宁H7平台的3口水平井成功应用,可满足现场连续混配的压裂要求,有利于节约水资源。关键词:页岩油气;体积压裂;返排水循环利用;滑溜水压裂液;四川盆地中图分类号:TE357.12 文献标识码:AAnewt
3、ypeofslickwaterfracturingfluidsystembasedonbackdrainage123341ZHOUDongkui,LIXianwen,XIAOYongjun,GUOXingwu,DINGFei,YUWeichu1.YangtzeUniversity,Jingzhou434000,Hubei,China;2.ChangqingOilfieldCo.,OilandGasTechnologyResearchInstitute,Xi’an710021,Shanxi,China;3.CNPCSouthwestOil&GasField,Chengdu610000
4、,Sichuan,China;4.JingzhouModernPhoenixChemicalCo.Ltd.,Jingzhou434000,Hubei,China;Citation:ZHOUDongkui,XIAOYongjun,GUOXingwu,DINGFei,ZHOUHong,YUWeichu.Anewtypeofslickwaterfractur-ingfluidsystembasedonbackdrainage[J].OilDrilling&ProductionTechnology,2018,40(4):503-508.Abstract:China’sshaleoilan
5、dgasgenerallyadoptslarge-scalevolumetricfracturing,whichhasalargeamountofliquidreturn-ing,andisdifficulttohandleandcostly.Inordertorealizetherecyclingofback-drainage,researchanddevelopmentoroptimizationofdragreducer,drainageaidandshaleinhibitorhaveformedanewtypeofslickwaterfracturingfluidsyst
6、em:0.1%JHFRdragreducer+0.2%JHJZDischarge+0.25%JHNWshaleinhibitor.Indoorresearchshowsthatthesystemisgreen,20sinstant,withadragreductionof70%,highsaltresistanceandgoodbackwatercompatibility.TheresearchresultshavebeensuccessfullyappliedinthreehorizontalwellsofChangningH7platform,whichcanmeetthef
7、racturingrequirementsofcontinuousmixingonsite,savewaterresourcesandhavesignificantdragreductioneffect.Keywords:shaleoilandgas;SRV;recyclingfluidrecycling;slickwaterfracturingfluid;SichuanBasin基金项目:国家科技重大专项“陆相页岩油流动机理及开采关键技术研究”(编号:2017ZX0504900