COASTAL <CGP> RAISES OIL POSTED PRICES Coastal Corp said that effective October 16 it had raised posted prices for crude oil by 50 cts a barrel. The increase brings West Texas Intermediate to 9.00 dlrs a barrel and West Texas Sour to 18.10 dlrs a barrel. Sun Co <SUN> announced that it would make a 50 cts a barrel increase late Friday bringing WTI to 19.00 dlrs a barrel and traders said that other oil companies could be expected to increase prices.