America’s most prolific oil field is running out of the workers, cash and equipment needed to produce more oil. In the Permian Basin, the sprawling oil-rich region in West Texas and southeastern New Mexico, drillers are facing long delays and steep competition for everything from roughnecks to steel to fracking pumps. The region is the only place where U.S. crude production is expected to grow significantly this year, and the Biden administration is hoping production there can help alleviate high prices at the pump . But mounting supply-chain crunches are putting a ceiling on how much more frackers can produce there , said energy executives and analysts, despite the highest oil prices in roughly seven years. Unlike the last time oil fetched about $100 a barrel, the vast service industry of steel suppliers, drilling-rig operators […]