Rosneft: The Petroleum Potential of the Middle Devonian Deposits of the Sorochinsko-Nikolskoye Field in the Orenburg Oblast
Introduction The appraisal of the Sorochinsko-Nikolskaya block began in the middle of the 20th century: geological prospecting work resulted in the discovery of reservoirs in the Artinskian, Ufimian, Okskian, Bobrikovskian and Tournaisian deposits. Devonian deposits have been poorly appraised, the appraisal only covered Upper Devonian. In the Upper Devonian deposits …