MOBIL <MOB> RAISES WEST COAST CRUDE POSTINGS Mobil Corp said it raised its west coast crude postings, effective today. The Buena Vista light grade, at 26 degrees api gravity, was raised 1.35 dlrs a barrel to 15.55 dlrs/bbl, while the Huntington Beach light grade, at 16 degrees, was raised about 1.75 dlrs/bbl to 14.10 dlrs/bbl. The heavier Wilmington grade, at 17 degrees, was increased 1.20 dlrs to 14.30 dlrs/bbl. Kern River crude, at 13 degrees, was increased 1.00 dlr to 13.00 dlrs/bbl. Mobil also said that effective today it changed its gravity adjustment scale as follows: From 20 degrees to 34 degrees API, Mobil will adjust its price 0.015 of a ct per one-tenth of an API degree. Below 20 degrees API, the company will adjust its price 0.020 ct per one-tenth of a degree. Crude grades from 34 degrees API to above 40 degrees are unaffected.