a 3dprinted oil pump jack is seen in front of the opec logo in this illustration picture april 14 2020 reutersdado ruvicfile photo dubai aug 23 reuters  opec production cuts may not be imminent and would coincide with the return of iran to oil markets should it clinch a nuclear deal with the west nine opec sources told reuters on tuesday worried by a possible revival of tehrans 2015 nuclear deal that could bring additional volumes to an oil market already hit by thin liquidity and big volatility opec has signalled it is ready to cut production should a glut start building up read more reporting by alex lawler olesya astakhova maha el dahan rowena edwards ahmad ghaddar and dmitry zhdannikov editing by alex richardson