储层特性及地质建模方法的应用

储层的物性及变化规律在很大程度上控制着地下油气的分布、储量、产量及产能,直接影响油气勘探与开发。阐述了储层岩孔隙性、渗透性的基本物理特性;总结了储层地质建模的常用方法及其优点和局限性,分析得出,建模流程中"两步建模法"经两次条件约束能够很好地进行模型参数控制;认为随机建模较确定性建模能更好地反映储层复杂的地质实际,提高预测评估的精准度。

Characteristics of Reservoir and Geological Modeling

The physical properties of the reservoirs control the distribution, reserves, yield and productivity largely, and impact on the oil and gas exploration and development directly. This paper describes the porosity and permeability about the basic physical characteristics of the reservoir rock, summarizes the common methods of reservoir geological modeling, and describes the advantages and limitations of the various modeling approaches. The paper claims that ＂Two-steps modeling method＂ could control the model parameters well by two times constraints, summarizes existing researches, that the stochastic modeling could react the complex geology of reservoir better than deterministic modeling, and improve the accuracy of the forecast evaluation, proposes the room for improving the three-dimensional visualization about reservoir modeling.