Abstract

Based on the seismic data analysis, source rock geochemistry and reservoir physical properties, the source reservoir allocation and reservoir forming conditions in the Linhe-Jilantai area in Hetao Basin were studied. The results show that the source rocks of the Lower Cretaceous and the Oligocene in the study area reach the standard of fair-good source rocks, and the lithology of reservoirs is mainly feldspar sandstone and lithic feldspathic sandstone with good physical properties. Combined with vertical and lateral migration pathways, three hydrocarbon accumulation models of near source, far source and inside source are proposed. The research results can provide reference and guidance for the further hydrocarbon exploration in Hetao Basin.

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