Permian Is Most Actively Drilled followed by Anadarko, Eagle Ford

The Permian Basin Is Still a Star, but Can Midstream Keep Up? Spanning western Texas and southeastern New Mexico and boasting many prolific tight oil formations such as Wolfcamp, Spraberry, and Bonespring, the Permian Basin has developed into one of the most active drilling regions in the United States. As rig counts have rebounded from the decreases that occurred in 2015 and 2016, producers have increasingly been focusing on the Permian region, with the highest number of monthly rig counts among all regions, as we can see in the above image.