Title: Triassic Reservoir Characteristics in Lunnan Region
Abstract: Based on the core observation and large amount of analysis data of the cores, the sedimentary and reservoir characteristics of Triassic reservoir rocks in difference belts of Lunnan area were analyzed. Triassic reservoir rock was braid channel of delta plain and distributary channel of delta front. Sandstone body was widely distributed in Lunnan Region and reservoir characteristics were high-porosity and high-permeability. Because diageneisis is in the middle and cementation is not development, the reservoir characteristics are controlled by lithology and sedimentary facies. Reservoir characteristics of coarse, middle, gravel laden sandstone and sandstone of gravel are best, fine sandstone is next. Reservoir characteristics of Triassic strata show that characteristics become better from north to south in Lunnan Region, characteristics of TⅢ group are better than TⅡ group, TⅡbetter than TⅠ. The result indicates that the formation of oil reservoir is controlled by traps and oil sources.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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