10 Apr 2018 The volume of oil sitting in 300 steel tanks in a nine-square-mile radius in The price of oil in Cushing - which bills itself as “the pipeline crossroads of the world” - is to seaports such as Houston, where vessels carry the oil to dozens of countries worldwide. The oil capital of the nation is in Houston.”. The title of "Oil Capital of the World" is often used to refer to Tulsa, Oklahoma, and more recently to Houston, Texas. Tulsa, Oklahoma – Oil Capital of the World Route 66 in Tulsa, Oklahoma by Kathy Weiser-Alexander. Trail of Tears painting by Robert Lindneux Tulsa, Oklahoma, in the midst of Indian Territory, was first settled by Native Americans in 1836 when they were forcibly made to relocate along the infamous Trail of Tears.