US oil rig count tumbled again this week, down by 10 from last week to 652 according to Baker Hughes report on Friday.

Last week oil rig count fell by 13 – the biggest drop since June. This is the second week oil rig count is dropping, proceeded by 6 weeks of additions.

Combined with gas rigs, the total rig count was down 16 to 848.

Ahead of the release, West Texas Intermediate crude futures were down about 2% in New York, near $44.86 per barrel. Goldman Sachs’ Jeffrey Currie forecast in a note Friday that oil could fall to as low as $20 per barrel, and oversupply will persist in 2016.

Here’s the latest chart of the rig count: