CNBC | Putin could be about to send the oil markets into a tailspin CNBC Oil traders eagerly anticipating an extension of the current OPEC-led production cut could be left sorely disappointed this week, according market analysts including RBC Capital Market's Helima Croft. OPEC oil ministers will be in Vienna Thursday and ... Oil prices fall on higher US supply, doubts about Russia's resolve Oil traders have message for Opec and Russia: don't wobble now 2 Gulf Oil Ministers Mum on Issue of Oil Production Cuts |