Why are oil and natural gas found in the interior plains?

Oil and natural gas are found in the interior plains due to the region's geological history, which includes the accumulation of organic materials in sedimentary basins over millions of years. The compression and heating of these organic materials under layers of sediment transformed them into hydrocarbons. Additionally, the interior plains have favorable conditions for trapping these resources, such as porous rock formations and impermeable cap rocks that prevent the oil and gas from escaping. This combination of factors makes the interior plains a significant area for fossil fuel deposits.