All oils in the Eocene clastic reservoir of the Fushan Depression belong to the same oil family.
Three indicators relative to DBTs and BNTs were used in tracing oil filling pathways.
The source kitchen for identified oil accumulations in the Huachang Uplift is likely to be located in the Bailian Sag.
Zones in the Bailian Sag, situated upstream of the preferred oil filling pathways are likely to be the most favorable prospecting regions.