Abstract
This article counted the distribution regularity and the spread pattern of each tertiary architecture through detailed study of alluvial fan reservoir architecture of the sealing core drilling well in the Karamay group which under the sixth middle area of Karamay oilfield. The tertiary architecture of middle-fan subfacies are: braided channel, sheetfloot microfacies and gritfloot microfacies. Truncated Gaussian simulation algorithm can be used to simulate the middle-fan subfacies of alluvial fan for they have an obvious zone law. Described the distribution regularity and spread pattern of middle-fan subfacies architecture effectively. Figured out the contact relationship among different architectural units preferably. It has a certain reference for other oilfields with the same type reservoir of architecture modeling.
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