Models of nonmarine shale oil accumulation based on the pore microstructure, favorable lithofacies, and paleosedimentary environment (IMAGE)

Science China Press

Models of nonmarine shale oil accumulation based on the pore microstructure, favorable lithofacies, and paleosedimentary environment

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Process I indicates that hydrocarbons undergo self-generation, self-storage and micromigration in felsic-rich laminated shale. Process II indicates that hydrocarbons undergo self-generation, self-storage and micromigration in carbonate-rich laminated shale. Process III shows that hydrocarbons undergo self-generation, self-storage and near-source migration and accumulation in combination with hybrid shale and siltstone. Process IV shows that hydrocarbons undergo self-generation, self-storage and near-source migration and accumulation in combination with hybrid shale and carbonate. Process V shows that hydrocarbons undergo self-generation, self-storage and near-source migration and accumulation in hybrid sedimentary rocks (organic-rich shales, sandy dolomitic, and dolomitic siltstone).

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