HansJournalofChemicalEngineeringandTechnology化学工程与技术,2023,13(4),330-336PublishedOnlineJuly2023inHans.https://www.hanspub.org/journal/hjcethttps://doi.org/10.12677/hjcet.2023.134038文章引用:林科雄,罗刚,任坤峰,舒福昌.渤海P油田注水井储层伤害因素室内研究[J].化学工程与技术,2023,13(4):330-336.DOI:10.12677/hjcet.2023.134038渤海P油田注水井储层伤害因素室内研究林科雄1，罗刚1，任坤峰1，舒福昌21荆州市汉科新技术研究所，湖北荆州2长江大学化学与环境工程学院，湖北荆州收稿日期：2023年6月2日；录用日期：2023年7月20日；发布日期：2023年7月27日摘要渤海P油田注水井存在的主要问题是注水压力升高块，注水困难，整体注采比偏低，地层亏空严重，采出程度偏低。针对渤海P油田注水井的主要问题，开展了注水伤害机理研究。首先运用油藏工程的方法定量分析注水对储层的伤害程度，然后利用岩心流动实验分别验证注水水质、注入水结垢、粘土水化膨胀等因素对注水堵塞的影响，最终确定注水伤害的主要因素，为后期开展针对性的降压增注措施提供依据。关键词注水井，比吸水指数，渗透率保留率，注水水质IndoorResearchofInjectionWellReservoirDamageFactorsinBohaiPOilfieldKexiongLin1,GangLuo1,KunfengRen1,FuchangShu21JingzhouHancNew-TechnologyResearchInstitute,JingzhouHubei2CollegeofChemistryandEnvironmentalEngineering,YangtzeUniversity,JingzhouHubeiReceived:Jun.2nd,2023;accepted:Jul.20th,2023;published:Jul.27th,202AbstractFortheBohaiPoilfield,theexistingmainproblemsarehighwaterinjectionpressure,waterinjec-tiondifficulty,lowinjection-productionratio,formationdepletionandlowrecoverydegree.Inviewofthemainproblems,theresearchofwaterinjectiondamagemechanismwascarriedout.Firstthereservoirengineeringmethodwastoanalyzethewaterfloodingdamagedegree.Thenthecoreflowexperimentwasperformedtovalidatetheinfluenceofwaterquality,waterscaling,clayswelling,andthe“colddamage”onthewaterinjectionblock.Eventuallythemaindamage林科雄等DOI:10.12677/hjcet.2023.134038331化学工程与技术factorsweredetermined.Itprovidesimportantguidanceforthedevelopmentoftargetedpres-surereductioninjectionmeasuresinthelaterstage.KeywordsInjectionWell,SpecificWaterInjectivityIndex,Pe...
