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新民油田高含水期剩余油分布特征及控制因素分析
引用本文:李敏,张忠民,张德民,鲍志东,臧东升,肖杭州,张玉,牛博.新民油田高含水期剩余油分布特征及控制因素分析[J].科学技术与工程,2020,20(3):992-1000.
作者姓名:李敏  张忠民  张德民  鲍志东  臧东升  肖杭州  张玉  牛博
作者单位:中国石油大学(北京) 油气资源与探测国家重点实验室,北京102249;中国石化石油勘探开发研究院,北京100083;中国石油吉林油田分公司勘探开发研究院,松原138000
基金项目:国家重点研发计划(2017YFC0603104)
摘    要:新民油田目前已经处入高含水开发后期,油水关系复杂,注采矛盾显著,采收率大幅降低,亟待开展精细剩余油分布规律研究。以新民油田民1区块扶余油层为研究对象,基于单砂体精细刻画工作,利用三维地质建模-油藏数值模拟一体化技术开展单砂体层次的剩余油分布研究,进而分析剩余油分布的控制因素。结果表明:剩余油分布特征体现在层间差异、层内差异和平面差异等方面;沉积微相、沉积韵律、单砂体叠置关系、废弃河道遮挡、断层封闭及注采井网不完善等因素单一或组合控制剩余油的分布;层间差异主要受沉积微相控制,层内差异主要受沉积韵律等因素控制,平面差异受控于单砂体叠置关系、废弃河道遮挡、断层封闭及注采井网不完善等因素。

关 键 词:剩余油分布  单砂体层次  油藏数值模拟  扶余油层  新民油田
收稿时间:2019/5/6 0:00:00
修稿时间:2019/10/22 0:00:00

Distribution Characteristics and Control Factors of Remaining Oil during High Water Cut Stage in Xinmin Oilfield
Li Min,Zhang Zhongmin,Zhang Demin,Bao Zhidong,Zang Dongsheng,Xiao Hangzhou,Zhang Yu,Niu Bo.Distribution Characteristics and Control Factors of Remaining Oil during High Water Cut Stage in Xinmin Oilfield[J].Science Technology and Engineering,2020,20(3):992-1000.
Authors:Li Min  Zhang Zhongmin  Zhang Demin  Bao Zhidong  Zang Dongsheng  Xiao Hangzhou  Zhang Yu  Niu Bo
Institution:State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum Beijing,State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum Beijing,State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum Beijing,Research Institute of Exploration and Development,PetroChina Jilin Oilfield Company,Research Institute of Exploration and Development,PetroChina Jilin Oilfield Company and State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum Beijing
Abstract:Xinmin oilfield is now in the late stage of high water cut development in which the relationship of oil and water is complex, the contradiction between injection and production is notable and the recovery efficiency has been greatly reduced, so it is necessary to study the detailed distribution of remaining oil. Taking Fuyu oil layer of Min 1 block in Xinmin oilfield for research object, based on fine depiction of single sand bodies, by integrated technology of three-dimensional geological modeling and reservoir numerical simulation, the distribution characteristics and control factors of remaining oil were studied. Research shows that the distribution characteristics of remaining oil are embodied in inter-layer, intra-layer and plane differences. The control factors of remaining oil are sedimentary facies, sedimentary rhythm, superimposition relationship of single sand bodies, abandoned channel barrier, fault sealing and imperfect injection-production pattern. And these factors control the distribution of remaining oil singly or in combination. Inter-layer difference of remaining oil is mainly controlled by sedimentary facies, intra-layer difference is principally controlled by sedimentary rhythm and plane difference is mainly dominate by superimposition relationship of single sand bodies, abandoned channel barrier, fault sealing and imperfect injection-production pattern.
Keywords:distribution of remaining oil    single sand bodies    reservoir numerical simulation    Fuyu oil layer    Xinmin oilfield
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