The EIA report released on Wednesday showed that U.S. crude inventories unexpectedly dropped the previous week.U.S. crude stockpiles slipped by 5.1 million barrels last week, following a rise by 2.6 million barrels a week earlier. Analysts had called for a rise by 0.7 million barrels.Crude oil futures for February delivery is currently trading lower around $34.65 a barrel after hitting a session’s low of $34.48.Brent crude is trading lower around $34.80, after hitting a low of $34.55.