PetroChina Q2 profit rises 15 pct, matches estimates
August 28, 2014 at 04:35 AM EDT
HONG KONG, Aug 28 (Reuters) - PetroChina , the country's top oil and gas producer which also owns refineries, posted a 15 percent rise in its second-quarter profit, matching estimates, partly due to higher upstream earnings and improved refining margins.
