A Continental Resources production site in Oklahoma’s so-called Stack oil region. America’s oil and gas producers are still finding places where they can prosper even at today’s lower prices. Companies are refocusing their drilling efforts on the Permian Basin in Texas and New Mexico and rushing into a part of Oklahoma known as the Stack where they can claim solid returns. While small in terms of overall production, the move is gathering steam, even as drilling in places like North Dakota and Pennsylvania remains sluggish. Wells in the Permian and the Stack—which stands for Sooner Trend, Anadarko basin, and Canadian and Kingfisher counties—are racking up between 10% and 30% returns based on oil priced at $45 a barrel, operators say; premium wells are generating greater profit. In part, returns benefit from access to established pipeline, storage and other infrastructure. Drillers in both areas have been able to find energy […]