Shares of major integrated oil companies were trading mixed on Thursday as crude oil futures rose. The Amex Oil Index was up 1% to 879.70. Light, sweet crude oil futures for May delivery were higher by 73 cents to $49.88 a barrel on the New York Mercantile Exchange. Sunoco ( SUN) was up 2.5% to $28.46 after announcing it had sold its refinery in Tulsa, Okla., to Holly ( HOC) for $65 million. The deal also includes Sunoco's specialty lubricant products business. Sunoco said it had been trying to sell the facility, which refines 85,000 barrels a day, since November 2008. The terms of the deal protect the 400 jobs at the refinery and the workers will become Holly employees, said a Sunoco spokesman. The deal is expected to close on June 1, 2009. BP ( BP) shares were up 2% to $40.13. Shares of ConocoPhillips ( COP) were up 0.5% to $39.89. Chevron ( CVX) shares were down 0.8% to $66.20. Royal Dutch Shell ( RDS.B) was up 1.2% to $42.82. Exxon Mobil ( XOM) was down 0.6% to $67.75.