Lukoil starts drilling on Tub-Karagan

    By Andrei Sokolov     Lukoil Overseas Service B.V. has started drilling the first exploration well in the Kazakh sector of the Caspian Sea, on the structure Tub-Karagan.     "Drilling wells, the design depth which is 2,150 meters, is conducted with the rig "Astra". We will have to pass two horizons - the Cretaceous...