海上油田井间连通性识别方法研究  

Research on Identification Method of Interwell Connectivity in Offshore Oilfields

作　　者：周成 董驰[1,2] 司勇[3] 罗鹏飞[3] 张弦[2] ZHOU Cheng;DONG Chi;SI Yong;LUO Pengfei;ZHANG Xian(Sanya Offshore Oil&Gas Research Institute,Northeast Petroleum University,Sanya Hainan 572025,China;Key Laboratory of Enhanced Oil and Gas Recovery of Ministry of Education,Northeast Petroleum University,Daqing Heilongjiang 163318,China;Liaohe Oilfield Exploration and Development Research Institute,Panjin Liaoning 124010,China)

机构地区：[1]东北石油大学三亚海洋油气研究院,海南三亚572025 [2]东北石油大学提高油气采收率教育部重点实验室,黑龙江大庆163318 [3]辽河油田勘探开发研究院,辽宁盘锦124010

出　　处：《当代化工》2024年第11期2628-2632,2638,共6页Contemporary Chemical Industry

基　　金：海南省自然科学基金项目(项目编号:2021JJLH0059);国家自然科学基金重点项目(项目编号:51834005)。

摘　　要：与陆上油田相比,海上油田油水分布更复杂、储层非均质性更严重,注水开发中后期出现存水率低、注水效率低的问题,亟需精准高效的水驱调控技术改善水驱开发效果、提高油气采收率。井间注采连通性的精确识别与表征,是海上油田潜力分析和综合治理方案制定的重要基础,基于井间连通性定量评价的动态分析和流场表征能够为解决注采井网不完善、存水率和储量动用程度低等瓶颈问题提供有力的依据。分析了连通性识别方法的基本原理和特点,论证了其在海上油田的适用性,提出了基于注采数据的反演模型法在海上油田条件下的技术优势,明确了该方法未来的改进方向。Compared with onshore oilfields,offshore oilfields have more complex oil-water distribution and more serious reservoir heterogeneity.In the middle and late stages of water injection development,there are problems of low water storage rate and low water injection efficiency.Accurate and efficient water flooding control technology is urgently needed to improve water flooding development effect and enhance oil and gas recovery.The accurate identification and characterization of inter-well injection-production connectivity is an important basis for the potential analysis and comprehensive management plan of offshore oil fields.The dynamic analysis and flow field characterization based on quantitative evaluation of inter-well connectivity can provide a strong basis for solving the bottleneck problems such as imperfect injection-production well pattern,low water storage rate and low reserves utilization.The basic principles and characteristics of the connectivity identification method were analyzed,and its applicability in offshore oil fields was demonstrated.The technical advantages of the inversion model method based on injection-production data under offshore oilfield conditions were proposed,and the future improvement direction of the method was clarified.

关 键 词：海上油田 井间连通性 动静态方法 反演模型 

分 类 号：TE341[石油与天然气工程—油气田开发工程]