A deal to freeze oil production could help buoy depressed crude prices by $10 to $15 dollars a barrel, according to Venezuela's Oil Minister Eulogio Del Pino, who called on OPEC and non-OPEC countries to join the agreement. Leading OPEC member Saudi Arabia, non-OPEC member Russia, Qatar and Venezuela agreed last week to freeze output at January levels if others joined in. Iran welcomed the move but stopped short of pledging to act itself and it is unclear whether the freeze will actually happen. "This (deal) will help reach an equilibrium price," Del Pino told state television VTV on Monday morning. "We ... (full story)