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储层地质建模是储层地质和数学的紧密结合、并通过计算机运算获得储层三维地质定量信息的产物,是将储层的结构、地质形态、参数等进行定量化的一种技术手段,是油气田开发生产和研究工作的基础,对油气田勘探开发具有十分重要的意义。本文针对榆林气田某研究区的地质情况,利用序贯指示模拟方法建立榆林气田某研究区的岩相模型,并在相控的地质约束条件下,利用序贯高斯模拟方法建立孔隙度、渗透率等属性模型。然后采用频率直方图、属性相关性等方法对属性模型进行验证。验证结果表明,属性模型符合地质认识,具有较高的可靠性,为后期的数值模拟和动态开发奠定基础。
Reservoir geological modeling is the close combination of reservoir geology and mathematics, and the product of three-dimensional geological quantitative information of reservoir is obtained by computer operation. It is a technical means to quantify the structure, geological form and parameters of reservoir, It is the basis for the development, production and research of oil and gas fields and has great significance for the exploration and development of oil and gas fields. In this paper, according to the geological conditions of a study area in Yulin gas field, the authors use the sequential indicator simulation method to establish the lithofacies model of a certain research area in Yulin gas field and establish the porosity and permeability using the sequential Gaussian method under the controlled geologic constraints Other property model. Then use the frequency histogram, attribute correlation and other methods to verify the attribute model. The verification results show that the attribute model conforms to the geological understanding and has high reliability, which lays the foundation for the numerical simulation and dynamic development in the later period.