Shale drillers are finding new and exciting ways to boost production in the Permian and elsewhere. This can make the industry more resilient to international price swings—but never fully resilient and never for very long. The pain from the prolonged price depression is beginning to bite in. Back in October, Kpler warned that U.S. oil production could shed 700,000 barrels daily if international oil prices slid lower than $60 per barrel. The analytics firm cited drilled but uncompleted well data showing the inventory of these wells had shrunk…