PERMIAN <PBT> RAISES CRUDE PRICES Permian Corp said that effective march 5 it raised its posted prices for crude oil 50 cts a barrel. The raise brought its posted prices for West texas Intermediate up by 50 cts to 17.00 dlrs a barrel. West Texas Sour was also raised by 50 cts to 17.00 dlrs a barrel. A Permian spokesman said that the South Louisiana sweet posted prices was also raised 50 cts a barrel to 17.35 dlrs.