Oil rose over $84 today, registering a six-month high following a report showing US inventory declines across all fuel categories.

US crude for December increased 36¢ to stand at $84.26 by 05.30 GMT while ICE Brent was up 30¢ to $85.71, reports Reuters.

The dollar was under pressure with expectations of a Federal Reserve announcement that it will take measures to boost the US economy.

US crude inventories fell by 4.1 million barrels in the week up to 29 October 2010, according to the American Petroleum Institute.