Answer:
Middle East, North America, Russia and the Former Soviet Union, South America, Africa
Step-by-step explanation:
1. Middle East: The Middle East is one of the most significant regions for oil production, with countries like Saudi Arabia, Iraq, Iran, Kuwait, and the United Arab Emirates being major oil producers.
2. North America: Within North America, the United States and Canada have large concentrations of oil wells, particularly in states like Texas, Oklahoma, Alaska, and provinces like Alberta.
3. Russia and the Former Soviet Union: Russia is a major oil-producing country, and during the time of the Soviet Union, several other countries in the region also contributed significantly to oil production.
4. South America: Countries like Venezuela and Brazil have significant oil reserves and production.
5. Africa: Countries like Nigeria, Angola, and Algeria have substantial oil production.