Gazprom Neft Board As of 31 December 2012, Gazprom Neft and its subsidiaries hold the mineral rights to 74 license areas located in 11 regions of Russia. In Serbia, the Gazprom Neft's subsidiary Naftna Industrija Srbije, holds 69 licenses. Based on an audit of reserves conducted by DeGolyer and MacNaughton and according to the Petroleum Resources Management System standards, the company's proven reserves at the end of 2012 totaled 1.2 billion tonnes of oil equivalent, and its reserve replacement ratio was over 286%. Most of the company's oil production operations in Russia are carried out by three subsidiaries: Gazpromneft-Noyabrskneftegaz, Gazpromneft-Khantos and Gazpromneft-Vostok.
Gazprom the world's reserves. In 2015, the reserves of crude oil were 1.355 billion tons and the reserves of gas condensate were 933.3 billion tons. 59.8 percent of Gazprom's natural gas reserves (Categories A+B+C1) were located in the Urals Federal District (decreasing), 20.5 percent in the Arctic shelf (increasing), and 8.3 percent in the Southern Federal District and North Caucasus Federal District. Gazprom has invested about 480 billion rubles ($20 billion) in new major projects in order to maintain supply. Nearly 37 percent of Gazprom's reserves are located in the Yamal Peninsula and in the Barents Sea. One of Gazprom's major