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 that if supplies were cut, it would deny Gazprom access to its pipelines, which would impair gas transportation to Europe. However, on 1 January 2007, just a few hours before the deadline, Belarus and Gazprom signed a last-minute agreement. Under the agreement, Belarus undertook to pay $100 per 1,000 cubic metre in 2007. The agreement also allowed Gazprom to purchase 50 percent of the shares in Beltransgaz, the Belarusian pipeline network. Immediately following the signing of this agreement, Belarus declared a $42/ton transportation tax on Russian oil travelling through the Gazprom pipelines crossing its territory. On 13 March 2008, after