SOUTHLAND <SLC> UNIT RAISES CRUDE OIL PRICES Citgo Petroleum Corp, a subsidiary of Southland Corp, said it raised the contract price it will pay for all grades of crude oil by 50 cts a barrel, effective Oct 16 The increase brings Citgo's postings for the West Texas Intermediate and West Texas Sour grades to 19.00 dlrs/barrel, while Light Louisiana SWeet is now priced at 19.35 dlrs. Citgo last changed it crude oil postings on Sept 9.