针对大庆油田北二东西块的开发现状,在充分考虑地层非均质性、沉积相分布的基础上,利用FCM、Petrel软件对渗透率、孔隙度和有效厚度等属性按照沉积相带图进行相约束插值,建立了精细相控地质模型。利用Eclipse模拟软件E100主模块的精细油藏数值模拟,对该区块聚合物驱后剩余油的分布进行了定性与定量研究,并给出聚合物驱后剩余油分布的9种类型。结果表明,具有一定厚度的中、低渗薄差层聚合物驱动用较差,聚合物驱后剩余可采储量相对较高,应作为下步重点挖潜对象。
Based on the current status of development in Beierdongxi block of Daqing Oilfield, a fine grid geological model was built using FCM and Petrel to interpolate the permeability, porosity and effective thickness according to the sedimentary facies map considering the formation heterogeneity and sedimentary facies distribution. The remaining oil distribution was investigated qualitatively and quantitatively using Eclipse E100. The 9 different type of remaining oil distribution after polymer flooding were provided. The results indicate that moderate or low permeability formations with certain thickness have poor displacing results and higher remaining recovery reserve which are the potential targets for next step.