The Jaw-Dropping Potential in This American Oil Patch Could Change the World By Tyler Crowe |May 24, 2014 | It may not look like much, but this might be the biggest oil field in the world (Source: Devon Energy Media Resources).The pride and joy of Saudi Arabia's oil industry has been the Ghawar oil field, which has been recognized as the largest in the world ever since its discovery in 1948. That is, perhaps, until now. A shale oil formation deep beneath the plains of West Texas has been sitting right under our noses for years, and Pioneer Natural Resources (NYSE: PXD )...