截断高斯模拟方法在冲积扇储层构型建模中的应用

 Application of truncated Gaussian simulation algorithm in architecture modeling
of alluvial fan reservoir

 包兴 2 李君 2 李少华 2

长江大学油气资源与勘探技术教育部重点实验室，湖北 荆州 434023 长江大学地球科学学院，湖北 荆州 434023

精细研究克拉玛依油田六中区下克拉玛依组密闭取心井的冲积扇构型，统计其分布规律及各三级构型间的展布形式。其中扇中亚相中的三级构型，即辫流水道、漫洪砂体及漫洪细粒具有明显的分带规律，利用截断高斯模拟方法进行模拟，有效地描述扇中亚相构型的展布形式及分布规律。模拟结果较好地刻画了构型单元之间的接触关系，对其他油田同类型储层的构型建模具有一定的借鉴意义。

This paper summed up the distribution law and the spreading pattern of three-level architecture through detailedly studying the architecture of alluvial fan reservoir for the sealed core well in Lower Karamay Formation of District Mid-6 in Karamay Oilfield. The three-level architectures of middle-fan subfacies are braided channel, sheetflood sand body and sheetflood fine grain. Truncated Gaussian simulation algorithm can be used to simulate the middle-fan subfacies of alluvial fan because they have obvious zoning laws, effectively describing the distribution law and spreading pattern of the architecture for middle-fan subfacies and preferably figuring out the contact relationship among different architectural units, which can provide some references for the architecture modeling of reservoir in other same oilfields.

10.6056/dkyqt201203010