Crude oil is back below $US60 per barrel.
West Texas Intermediate crude fell more than 2% to as low as $US59.60 on Friday morning.
Brent crude, the international benchmark, fell about 2.5% to around $US62.66 a barrel.
On Wednesday, weekly data from the Energy Information Administration showed that US oil inventories shrank for a seventh straight week last week.
The data showed that at the same time, stockpiles at Cushing, Oklahoma, a major delivery point, swelled by 112,000 barrels.
Around 1:00 p.m. ET, driller Baker Hughes will release the latest weekly count of US oil and gas rigs. The oil rig count has fallen for 27 straight weeks now.
Here’s a chart showing the slide in WTI on Friday: