Seeing some buying interest in the US Oil Fund (USO) puts ahead of weekly inventorty data due out at 10:30. The July 87s are the most actives. 3,400 contracts have traded, with 100 percent hitting the offer. With crude up 54 cents to $116.17 a barrel, the US Oil Fund is up 55 cents to $93.54 a share ahead of the data. Analysts expect the report to show crude oil inventories with a build of 900,000 barrels in the week ended April 25th. Distillate fuels and gasoline inventories are expected to show draws, of 250,000 and 875,000, respectively.