The basic production sites are Novokuibyshevsk Oils and Additives Plant, oils production facility in Angarsk Petrochemical Company, Moscow Plant Nefteprodukt and oil plant OOO RN-Lubricants, Ryazan, and the refinery of OAO Slavneft-YANOS (ownership interest). The summary capacity of these enterprises exceeds 700 thousand tons per year in commodities, specifically, it makes up over 500 thousand tons of oils per year. The Company structure also comprises Neftegorsky and Otradnensky gas treatment plants in Samara region, summary capacity whereof makes up 1.8 bcm of gas per year.
Miller and Lents has evaluated oil reserves at license areas in the Khanty-Mansi Autonomous District owned by LLC Burneftegaz, which was acquired by Siboilgas in March 2015. At the current stage of development, the auditor has assessed proved oil reserves at the Sorovskoye field as of December 31, 2015 at 38.3 million barrels (with the barrel-tone conversion factor amounting to 7.51); probable reserves total 60.7 million barrels, while possible reserves amount to 131.1 million barrels. Total reserves (3P) at the Sorovskoye field have been estimated at 230.1 million barrels. In 2013 and 2014 the Group conducted 3D seismic surveys covering 245 sq. km at the Berkutovskoye and Isimovskoye fields in order to define the boundaries of the deposits more precisely. In 2015 two appraisal and production wells were drilled, and data obtained through field seismic surveys were processed; data interpretation is expected to be completed in 2015.