MOSCOW, Feb 16 (Reuters) - Rosneft, Russia's topcrude producer, on Monday reported a 154 percent hydrocarbonreserves replacement ratio in 2014 thanks to increased drillingand exploration.
Rosneft, jointly with ExxonMobil, made an oildiscovery at an offshore Arctic field. Since then, Exxon hadsuspended offshore drilling in Russia due to sanctions againstMoscow over Ukraine.
The company reported the statement on reserves in itsfinancials under Russian Accounting Standards.
Rosneft's reserve life -- the amount of time they would lastat current rates of production -- was 24 years with 20 years foroil and 39 for gas.
It said under the Securities and Exchange Commission's (SEC)methodology, its proven hydrocarbon reserves rose to almost 34billion barrels of oil equivalent as of Dec. 31, 2014 from 33billion a year earlier.
Under Petroleum Resources Management System (PRMS) criteria,its proven hydrocarbon reserves stood at 43.1 billion barrels ofoil equivalent, up from 41.8 billion barrels a year earlier.
Rosneft became the world's top listed crude producer in 2013when it acquired Anglo-Russian TNK-BP for more than $55 billionin a cash-and-stock deal. (Reporting by Vladimir Soldatkin and Olesya Astakhova; Editingby Ruth Pitchford)