油田注水理论与技术

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1、油田注水理论与技术油田注水理论与技术WaterinjectiontechnologyWaterinjectiontechnology李海涛李海涛Tel:028-88116727Tel:028-88116727Email:swpi@sina.comEmail:swpi@sina.com西南石油学院西南石油学院二OO五八月二OO五八月油田注水理论与技术油田注水理论与技术一、概述一、概述二、油田注/采水的管理二、油田注/采水的管理三、配伍性注水及设计方法三、配伍性注水及设计方法四、油田注水工艺技术四、油田注水工艺技术五、油田注水腐蚀

2、与防腐技术五、油田注水腐蚀与防腐技术六、注水结垢与防治技术六、注水结垢与防治技术七、注入水剖面控制技术七、注入水剖面控制技术八、相关软件介绍八、相关软件介绍SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao第一部分、概述油田注水管理：机遇与挑战InjectionWaterManagementOpportunitiesandChallengesSouthwestPe

3、troleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao第一部分、概述1.油田注水的目的1.油田注水的目的2.基本概念2.基本概念3.注水现状及问题3.注水现状及问题4.机遇与挑战4.机遇与挑战òò如何完成配注、提高采收率？如何完成配注、提高采收率？òò注水成本控制注水成本控制òò注水管理决策直接影响项目经济性注水管理决策直接影响项目经济性5.注水裂缝模拟研究5.注水裂缝模拟研究6.结论6.

4、结论SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao第一部分、概述1、油田注水主要目的（Objectives）ò注水提高采收率Waterfloodingtorecoveroil注污水：Producedwaterreinjection注淡水：Freshwatersources（江-湖-河-浅层地下水）注海水：SeaWaterò注水保持地层压力Pressuremai

5、ntenanceò产出水处理（环保要求）ProducedwaterdisposalRegardlessofthesource,waterhandlingandinjectionoftenisthesinglebiggestoperatingcostforproducers.SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao2、基本概念注水采收率=井网效率∗垂向波及

6、系数∗微观驱油效率Arealsweepefficiencyisameasureofhowmuchofthereservoirhasbeenincontactwiththefloodwaterinanarealplane.与井网密切相关SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao垂向波及系数Verticalsweepefficiencyisameasureof

7、theuniformityofwaterinvasioninaverticalcrosssection.聚合物驱、调剖、精细分层注水SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolihaitaolihaitao微观驱油效率Microscopicdisplacementefficiencyisameasureofhoweasilytheoilcanberemovedfromtherockpor

8、es.化学驱（微乳液、多元复合驱）可以改善岩石的润湿性、降低系统界面张力、提高洗油效率SouthwestPetroleumInstituteSouthwestPetroleumInstituteSouthwestPetroleumInstitute。。。lihaitaolih