Operators across the Lower 48 are entering a pivotal new phase of development, where rising marginal costs and declining Tier 1 drilling inventory are set to reshape the economics of U.S. shale. A new report from Enverus Intelligence Research (EIR) lays out a challenging future: one where marginal break-even prices could climb to $95 per […] The post U.S. Shale Faces Rising Costs as Core Inventory Wanes appeared first on OklahomaMinerals.com.