Oil prices rose Tuesday, erasing early losses, on indications that Iran might cooperate with other global exporters as they explore ways to keep oil prices from falling. Iran sent a letter to members of the Organization of the Petroleum Exporting Countries saying it would attend the group’s informal talks in Algeria in September, OPEC delegates told The Wall Street Journal. An Iranian oil-ministry press official couldn’t confirm the letter had been sent late Tuesday. The 14-nation group is set to meet to discuss a deal to freeze production, and although Russia has also talked of cooperating, analysts are skeptical that any agreement can be reached. “That Iran is willing to talk is another signal that progress could be made” in curbing robust global oil output, said Andy Lebow, senior partner at Commodity Research Group. “It removes some of the real dire downside risk” that oil prices could fall below […]