This research was conducted at Pit N, PT Bukit Asam Tbk., Tanjung Enim, South Sumatra, to analyze the character of coal seams based on quality, rank, lithofacies, electrofacies, facies association, facies sequence, systems tract, and 3D geological modeling in the Muara Enim Formation. The data used include drilling data, core descriptions, outcrop observations, gamma ray logs, density logs, coa…