Abstract:
A set of techniques of prediction of 3D sand reservoirs suitable to the geological characteristics of the Lower Shihezi Formation in the Tabamiao area,Ordos basin,has been preliminarily established according to the key and difficult points of prediction in the area,combined with its geological and geophysical characteristics,and based on the seismic attribute extraction technique,seismic and well logging inversion technique and 3D visual interpretation technique.By using this set of techniques,the authors have ascertained the spatial distribution characteristics of the sand reservoirs of the target zone of the Lower Shihezi Formation and predicted the gas-bearing features of the target zone.On that basis,the study area is evaluated and the favorable reservoir zone and gas accumulation zone are determined.This study may guide gas exploration and exploitation in the area.
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