RUSSIA'S NOVAK SAYS GLOBAL OIL DEMAND MAY DROP BY 150-200 THOUSAND BARRELS PER DAY IN 2020 VS 2019RUSSIA'S NOVAK SAYS UNCERTAINTIES IN OIL PRODUCTION PERSIST IN LIBYA, IRAN AND VENEZUELA#OOTTFollow the story live: https://t.co/m2JBwOmVug#CRUDEOIL