US oil earnings: Exxon, Conoco and Chevron preview By: CNBC.com News October 30, 2013 at 14:46 PM EDT What to look for when the major players in U.S. oil report quarterly results Thursday and Friday. Read More >> Related Stocks: BP Plc ADR Chevron Corp ConocoPhillips Exxon Mobil Hess Corp Phillips 66 Valero Energy iPath Dow Jones-Goldman Sachs Crude Oil Fund