Kazakhstan-focused Tethys Petroleum reported Friday that it has begun drilling the AFD08 exploration well, known as "Doto", in the country.
The Doto well is located to the southwest of Tethys' producing Doris field and north of the firm's Dione oil discovery. The well is designed to target several potential zones, including the Lower Cretaceous sandstone and Upper Jurassic carbonate sequences as proven in Doris and the deeper Triassic sequence that Tethys said has given significant hydrocarbon shows in nearby wells.
The Doto prospect is estimated to contain approximately 22 million barrels of gross mean un-risked recoverable prospective oil resources in the Cretaceous and Upper Jurassic sequences. The deeper Triassic sequence has not yet been independently assessed.
Tethys added that the Doto well is expected to take approximately 70 days to drill to a planned total depth of 11,480 feet.
Tethys Chief Operating Officer Graham Wall commented in a company statement:
"We are very pleased to have started drilling on the Doto well commencing our exciting drilling program in Kazakhstan. The Doto well is targeting several zones which have been either commercially proven or shown to be promising on adjacent structures. The timing of the Dexa Exploration well is being co-ordinated with the drilling of the Doto well in order to optimize resources, thereby reducing costs."
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