In December 2018, the country decided to leave the organization.
Oil quotations are growing again after falling by almost 1% during the previous session.
The factors that supported oil prices last week are fading away.
Brent crude oil went down to $75.52 per barrel.
After Hurricane Ida, the operation of the facilities providing 29.5% of oil production in the American part of the Gulf of Mexico has not yet been restored.
Last week the US stocks fell by 5.437 million barrels.