Well logging and sedimentary facies analysis of the 1st-3rd sandstone beds in the second member of the Shahejie Formation in the first district of the Shengtuo Oil Field,Shandong
Huaguo Wen
Abstract
Huaguo Wen
Abstract
Sedimentary facies analysis is dealt with in detail for the 1st-3rd sandstone beds in the second member of the Shahejie Formation on the basis of the relationship between the well logging facies and sedimentary facies. The 1st-3rd sandstone beds are interpreted as delta plain deposits and delta front deposits in the braided delta depositional system,which may be further divided into three subfacies including the delta plain,delta front and prodelta subfacies,and eleven microfacies including the channel sill,channel bar,point bar microfacies and so on.
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Sedimentary facies analysis is dealt with in detail for the 1st-3rd sandstone beds in the second member of the Shahejie Formation on the basis of the relationship between the well logging facies and sedimentary facies. The 1st-3rd sandstone beds are interpreted as delta plain deposits and delta front deposits in the braided delta depositional system,which may be further divided into three subfacies including the delta plain,delta front and prodelta subfacies,and eleven microfacies including the channel sill,channel bar,point bar microfacies and so on.
Key concepts: Geology, Facies, Delta, Sedimentary depositional environment, Sedimentary rock, Point bar, Well logging, Geochemistry