	unocal ucl raises  oil postings unocal corp said it raised the contract price it will pay for most grades of  oil cts a barrel effective today the increase brings unocal s posted price for the u s benchmark grade west texas intermediate to dlrs a barrel it also brought the price for west texas sour to dlrs a bbl light louisiana sweet was also raised cts to dlrs bbl unocal last changed its  postings on march four and brings it price in line with other major companies which have been raising prices steadily in recent weeks the increase also represents the latest in a series of increases that began with usx corp s x marathon petroleum corp s notification yesterday evening that effective today it raised its  postings cts a barrel bringing its contract price for wti to dlrs a barrel earlier today sun co sun phillips petroleum p and diamond shamrock dia also said they raised their  postings cts a barrel bringing their wti contract price to dlrs a barrel contract prices have risen in response to higher spot market prices oil traders said reuter 
