By Matt DiLallo | More Articles June 10, 2014 | Comments (0) Source: Chesapeake Energy. Drilling down into the Permian BasinWhile the Permian Basin is one of America's oldest and most prolific oil basins, its best days could lie ahead. According to leading Permian Basin driller Pioneer Natural Resources (NYSE: PXD ) , the Spraberry and Wolfcamp Shale formations in the Permian Basin represent the largest oil field in America, and one of the biggest in the world. As the following slide notes, the field holds an estimated 75 billion barrels of recoverable oil and gas. Source: Pioneer Natural Resources. As that...