Oil prices traded steady on Tuesday as Norway's Johan Sverdrup oilfield restarted production and there were reports of Iran offering to cap its uranium stockpile, factors that offset investor concerns about escalation of the Russia-Ukraine war.Brent crude futures LCOc1 fell 0.1%, or 7 cents, to $73.23 per barrel by 1:30 p.m. EST (1830 GMT). U.S. West Texas Intermediate crude futures CLc1 gained 0.1%…