Top oil exporters Russia and Saudi Arabia agreed on Tuesday to freeze output levels but said the deal was contingent on other producers joining in - a major sticking point with Iran absent from the talks and determined to raise production.<br />The Saudi, Russian, Qatari and Venezuelan oil ministers announced the proposal after a previously undisclosed meeting in Doha.<br />It could become the first joint OPEC and non-OPEC deal in 15 years, aimed at tackling a growing oversupply of crude and helping prices recover from their lowest in over a decade.<br />Saudi Oil Minister Ali al-Naimi said freezing production at January levels - near record highs - was an adequate measure and he hoped other producers would adopt the plan.<br />Venezuelan Oil Minister Eulogio Del Pino said more talks would take place with Iran and Iraq on Wednesday in Tehran.
