Oil prices today fell in Asian market as traders await fresh stockpiles data, while keeping an eye on the release of US Federal Reserve minutes from its most recent meeting.New York's main contract, West Texas Intermediate for delivery in October, was down 28 cents at 104 dollars and 83 cents and Brent North Sea crude for October slipped 44 cents to 109 dollars 71 cents.The weekly report on US commercial energy stockpiles by the US Energy Information Administration is due later today and will provide an indication about the state of the world's number one economy.The group last week said crude stockpiles shrank to 360.5 million barrels in the week to August 9, the lowest since January.