Brent was down 21 cents or 0.3% at $72.49, WTI fell 50 cents or 0.7% to $68.24.

Brent rose 98 cents, or 1.4%, to $72.05 a barrel, WTI climbed 93 cents, or 1.4%, to $68.35 a barrel.

OPEC, Russia and nine other countries agreed in July to increase crude production by 400,000 b/d starting August through the end of 2022, a quantity that many analysts said would be insufficient to meet demand in the short-term, given seasonal consumption patterns and the world's recovery from the pandemic.

Brent was down 71 cents, or 1%, at $71.54 a barrel, WTI was down 77 cents, or 1.10%, at $67.59 a barrel.

Brent dropped 9 cents, or 0.1%, to $70.96 a barrel, WTI fell 19 cents, or 0.3%, to $67.35.

Brent fell by $2.43, or 3.5%, to $68.27 a barrel, WTI fell by $2.43, or 3.5%, to $68.27 a barrel.

Brent rwere up 47 cents at $71.76 a barrel, WTI rose 45 cents to $69.54 a barrel.

Brent rose by 50 cents, or 0.71%, to $70.88 a barrel, WTI rose 66 cents, or 1%, to $68.81.

Brent were up 33 cents, or 0.5%, to $72.74 a barrel, WTI rose 16 cents, or 0.2%, to $70.72 a barrel.

Brent slid by 74 cents, or 1%, to $74.67 a barrel, WTI dropped 70 cents, or 1%, to $73.25 a barrel.