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蚂蚁追踪技术在潜山油藏裂缝预测中的应用

Application of ant tracking technology in fracture prediction of carbonate buried-hill reservoir

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【作者】 张淑娟王延斌梁星如罗永胜班彦红许敏

【Author】 Zhang Shujuan1,2 Wang Yanbin1 Liang Xingru2 Luo Yongsheng2 Ban Yanhong2 Xu Min2(1.China University of Mining and Technology,Beijing 100083,China;2.Exploration and Development Research Institute of Huabei Oilfield Company,PetroChina,Renqiu 062552,China)

【机构】 中国矿业大学华北油田分公司勘探开发研究院

【摘要】 任丘潜山雾迷山组油藏为我国大型裂缝型碳酸盐岩底水块状油藏,储层具有双孔隙介质特征,目前处于髙含水低速开发阶段。文中以任丘潜山碳酸盐岩油藏为例,以多学科理论一体化为原则进行裂缝预测,综合运用了地震、钻井、测井、开发动态等多种基础资料及综合地质研究成果,利用PetrelTM地质建模软件,应用先进的蚂蚁追踪技术和离散裂缝网络建模技术,采用确定性建模与随机性建模相结合的方法,建立了任丘潜山碳酸盐岩油藏雾1—雾10油组的大尺度、中等尺度和微小尺度的离散裂缝网络模型及裂缝孔隙度、裂缝渗透率等属性模型,实现了对储层裂缝系统从几何形态直到渗流行为的逼真细致地有效描述。在此基础上,分油组、分储层级别、分基质与裂缝对油藏储量进行了复核与细化,并根据裂缝发育预测低值区结合稀井网区,预测了有利剩余油分布潜力区,取得了良好的地质效果,为油藏后期的数值模拟和剩余油挖潜及开发调整提供了扎实的基础保障,同时为其他类似油藏的裂缝预测提供借鉴。

【Abstract】 Wumishan Formation reservoir in Renqiu buried-hill is a big fractured carbonate reservoir with the massive bottom water in our country.The reservoirs have the characteristics of double porosity media and they are at a high water-cut and low-speed development period now.Taking the carbonate reservoir in Renqiu buried-hill for an example,this paper made the fracture prediction based on the integration of multidisciplinary.Using the seismic,drilling,logging,development performance data,comprehensive geological research achievements,discrete fracture network modeling technology with PetrelTM software,ant tracing technology and the combined method of deterministic modeling and stochastic modeling,it established large-scale,medium-scale and small-scale discrete fracture network model and fracture porosity,fracture permeability and other attribute model for W1-W10 oil group,which realized from the geometry of the fracture system to the flow behavior of real effective detailed description.The reserves were reviewed and subdivided based on the oil formation,reservoir levels,matrix and fracture,and the potential and favorable remaining oil distribution are predicted based on the fracture development and sparse well-network areas,obtaining a good geology effect,which can provid a reliable basis for later numerical simulation,remaining oil distribution study and development adjustment of oil and gas fields,as well as references to the fracture prediction of other similar reservoir.

【基金】 中国石油天然气股份有限公司“华北雾迷山大幅度提高采收率可行性研究”重点科研攻关项目(2008B-1201-05)
  • 【文献出处】 断块油气田 ,Fault-Block Oil & Gas Field , 编辑部邮箱 ,2011年01期
  • 【分类号】P618.13
  • 【被引频次】41
  • 【下载频次】778
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