第４５卷第２期
石 油 钻 探 技 术Vol 畅４５No 畅２２０１７年３月PETROLEUM DRILLING TECHNIQUES Mar 畅，２０１７收稿日期：２０１６１２１５；改回日期：２０１７０３０６。作者简介：王友启（１９６８—），男，山东临沂人，１９９１年毕业于石油大学（华东）油藏工程专业，２００８年获中国地质大学（北京）油气田开发工程专业博士学位，高级工程师，主要从事油藏工程及提高采收
率方面的研究。E mail ：w yq ２００８４０＠１６３畅com 。
基金项目：中国石化科技攻关项目“特高含水油田开发潜力及开
发策略研究”（编号：P １５１２６）部分研究内容。磼油气开发磾doi ：１０畅１１９１１／syztjs 畅２０１７０２０１２
特高含水期油田“四点五类”剩余油分类方法
王友启
（中国石化石油勘探开发研究院，北京１０００８３）
摘 要：特高含水期油田的油水分布状况复杂，需要明确其剩余油的定义、属性分类方法和水驱开发潜力评价
方法。在油藏水驱极限驱油效率研究和渗流力学分析的基础上，选取油水渗流特征点对应的４个含油饱和度为剩
余油分类界限点，建立了特高含水期油田“四点五类”剩余油属性分类方法。将特高含水期油田剩余油划分为富集
油、相对富集油、可动用油、难动用油和残余油５类，分析了这５类剩余油的具体属性、开发调整对策及措施方向。根据提出的油田水驱开发潜力评价方法，将特高含水期油田水驱开发潜力划分为水驱极限潜力、可动用潜力和难
动用潜力３类，并对中国石化１０个中高渗透油田的剩余油属性分类和水驱开发潜力进行了分析，结果表明，特高
含水后期普遍分布的剩余油以难动用油为主，局部富集的剩余油以相对富集油为主，注水开发极限潜力巨大，但近
４／５为难动用潜力油藏。特高含水期油田“四点五类”剩余油分类方法明确了剩余油的分布特征，为制定不同类型
剩余油开发调整措施提供了理论依据。
关键词：特高含水；剩余油；分类方法；注水开发；开发潜力
中图分类号：T E ３４１，TE ３２＋７ 文献标志码：A 文章编号：１００１０８９０（２０１７）０２００７６０５
“Four Points and Five Types ”Remaining Oil Classification in Oilfields with Ultra ‐High Water Cut WANG Youqi
（Sino p ec Petroleum Ex p loration &Production Research Institute ，Bei j ing ，１０００８３，China ）Abstract ：Oil and water distribution within the reservoirs in mature oilfields with extremely high water cut is very complicated ．To tap the development potential of such fields ，it is necessary to have a clear defi ‐nition of the remaining oil ，its attributes and classification method ，and the approaches for evaluating the p otential for further developing the fields with a waterflooding program ．A “Four Points and Five Types ”remaining oil classification method for oil fields with ultra ‐high water cut was developed in this paper by selecting ４oil saturation points corresponding to the oil ‐water seepage characteristics as the boundary p oints of remaining oil classification ，based on the investigation of the ultimate oil displacement efficiency and the analysis of the seepage mechanics ．T he remaining oil in fields with ultra ‐high water cut was classi ‐fied into five types ，including enriched oil ，somew hat enriched oil ，movable oil ，hard ‐to ‐move oil ，and re ‐sidual oil ．T he specific features and re ‐development strategies of these five types of remaining oil were ana ‐lyzed ．Based on the presented method for evaluating the waterflooding development potential of oilfields ，the waterflooding development potential of oil fields with extremely high water cut was categorized into three types ，namely ，ultimate waterflooding potential ，movable potential and hard ‐to ‐move potential ．In ‐vestigation of the remaining oil types and waterflooding development potential of １０fields with mid ‐high p ermeability showed that majority of the remaining oil in fields with extremely high water cut was hard ‐to ‐move oil ，and there was rather enriched oil in some local areas ．Although there was huge waterflooding de ‐velopment potential in such fields ，nearly ４／５of the remaining oil was hard to produce ．In summary ，the “Four Points and Five Types ”remaining oil classification method for fields with extremely high water cut helped to make clear the remaining oil distribution features and provided supports for working out re ‐devel ‐opment strategies of the various types of remaining oil ．Key words ：ultra ‐high water cut ；remaining oil ；classification ；waterflooding ；development potential 随着开发的不断深入，我国东部老油田普遍进
入特高含水开发阶段，综合含水率大于９０％的储量
占５５％、产量占６０％。近几年，国内学者围绕特高
含水期油田的剩余油分布［１‐３］、渗流规律与开发特征［４‐９］、开发对策［１０‐１４］等开展了大量研究，特别是在剩余油分布方面［１‐３］，依托构造、储层的精细描述，综万方数据