September crude oil prices grinded lower during the initial morning hours, pressured by modest weakness in outside markets and growing concern over a slowing Chinese economy. In addition to the prospect of slowing demand for crude oil, it is possible that recent comments from the US Defense Secretary that Israel has not made a decision to attack Iran has tamped down supply disruption concerns for the moment. September crude oil prices broke down in the wake of private industry data Tuesday afternoon that showed an unexpected build. Expectations for this morning's EIA report are for a draw of around 1.5 million barrels, which compares to the five year average decline for this week of the year of 300,000 barrels. The market will be keying in on import activity last week in the wake of Ernesto.