Brent crude futures rose 0.7% to $65.66 per barrel, near Friday’s three-week high of $65.76, while U.S. crude futures were up 1.1% at $58.07, standing at its highest in over three weeks.

“Today, more than ever, international cooperation is important,” Novak said in a speech at an energy forum in the Russian city of St Petersburg.

Prices for benchmark premium Australian coal out of Newcastle hit their weakest since September 2016 last week at $70.78 per ton and are likely to fall further given a slowing global economy.

Brent crude was down 20 cents, or 0.31%, at $64.25 a barrel by 0630 GMT. U.S. West Texas Intermediate crude was down 16 cents, or 0.28%, at $56.90 a barrel.

Brent crude was up $2.06 at $63.88 a barrel , U.S. West Texas Intermediate crude rose $2.33 to $56.09.

Brent crude futures were up 20 cents, or 0.3%, at $62.34 a barrel by 0644 GMT. U.S. West Texas Intermediate crude gained 20 cents, or 0.4%, to $54.10 a barrel.

Brent crude futures were trading 18 cents down at $60.76 a barrel by 1203 GMT. U.S. West Texas Intermediate crude futures lost 3 cents to $51.90.

Brent futures fell 25 cents, or 0.4%, to $61.76 a barrel by 0750 GMT, having gained 1.1% on Friday. U.S. West Texas Intermediate (WTI) crude futures were down 22 cents, or 0.4%, at $52.29, having firmed by 0.4% in the previous session.

The OECD sees global GDP growth rebounding to 3.4% in 2020, assuming that trade disputes are resolved and confidence rebuilds. This suggests that global oil demand growth will have scope to recover from 1.2 mb/d in 2019 to 1.4 mb/d in 2020.

Brent crude futures were up 23 cents, or 0.4%, at $61.54 a barrel by 0638 GMT, having settled up 2.2% on Thursday. U.S. West Texas Intermediate crude futures were down 1 cent at $52.27 a barrel, after earlier rising. WTI also closed up 2.2% in the previous session, but is on course for a weekly decline of 3.2%.