What South American Nation's are a part of OPEC?

As of October 2023, the South American nations that are part of OPEC (Organization of the Petroleum Exporting Countries) are Venezuela and Ecuador. Venezuela has been a member since the organization's founding in 1960, while Ecuador joined in 1973, left in 1992, rejoined in 2007, and then suspended its membership again in 2020. These countries are known for their significant oil reserves and production capabilities within the region.