Fig. 9: Geo-seismic profile : The anticline of the Ballsh oil field (A) and the small anticline of the Kalenja prospect (B), Cr-Pg₂ Cretaceous-Eocene limestone target, Pg₃^1-3 Oligocene flysch, N₁¹_b Burdigalian, N₁¹_l Langhian, N₁²_s Serravallian, N₂ Pliocene, B-45 Drilled well, — Proved oil-water contact, – – – Supposed oil-water contact.