摘要
针对X油田储层单层厚度大、隔夹层分布不稳定等特征,以及"双高"开发阶段剩余油精细描述及挖潜难度大的问题,基于储层构型研究成果,分析砂体间沉积界面对地下流体渗流产生的影响,研究不同砂体构型模式下的剩余油富集规律。同时,通过室内实验、渗流理论法以及数值模拟技术等对剩余油进行了精细表征,指导了油田调整井的实施,推荐以水平井挖潜厚油层顶部剩余油,共部署7口井,预计提高油田最终采收率0.7%。
X oilfleld has the characteristics of large thickness of single layers, scattered distribution of interlayer, and so on, so it is difficult in fine description and excavation of the remaining oil in the ＂double high＂ development stage. This paper analyzes the influence of the sedimentary interfaces of sand body on the seepage of underground fluids, and studies the rule of accumulation of remaining oil in different sand body configurations, based on the re- search results of reservoir characterization. Meanwhile, the remaining oil is characterized by indoor experiment, seepage theory and numerical simulation. The results of the study guide the implementation of adjustment wells and take advantage of horizontal wells for tapping the remaining oil at the top of the reservoir. 7 wells are arranged, and it is predicted that the recovery rate of the oil field will increase by 0.7%.
出处
《重庆科技学院学报（自然科学版）》
CAS
2018年第1期26-30,共5页
Journal of Chongqing University of Science and Technology：Natural Sciences Edition
基金
"十三五"国家科技重大专项"渤海油田加密调整及提高采收率油藏工程技术示范"(2016ZX05058001)
关键词
双高油田
储层构型
剩余油表征
化学驱
double high oil field
reservoir characterization
remaining oil characterization
chemical flooding
