Ketekazgan North field in Turgay Basin, oil in the new Toarcian-Bajocian Doshan Carbonates play at 3,070m. Previous finds in the Doshan plays were all in clastic reservoirs. Description from GEPS.
Ketekazgan 18 (SSM Oil LLP 50% op. Kolzhan LLP 50%) in 1057R Kolzhan block, oil disc. in the new Toarcian-Bajocian Doshan Carbonates play at 3070m. Previous finds in the Doshan plays were all in clastic reservoirs.