An oil refinery complex is where crude oil is treated into different products such as diesel, kerosene or gasoline. What is meant by oil producing country is how many crude oil is coming out of the country's wells. For instance India has one of the biggest refinery in term of capacity but it's not even in top 20 of oil producing countries. The daily oil production that the United States is responsible for comes to a total of over fifteen million barrels per day. With a rough estimate of 12,108,000 BPD of oil, the United States has been a top oil producing country for years upon years. It makes sense, too, because the US is one of the greatest consumers of oil across the world, too. Although it suffers from explosions at its oil fields which affect its production, it is still ranked among the top 10 largest oil producing countries in the world. Iraq is the 7 th largest oil producing country in the whole world thanks to its production which is estimated to be 3,400,000 barrels per day and this represents about 3.75% of the