The US Bankruptcy Court granted an order for the joint administration of the Chapter 11 bankruptcy cases of Chaparral Energy, Inc. and its affiliates on August 18, 2020. The affiliates include CEI Acquisition, L.L.C., CEI Pipeline, L.L.C., Chaparral Biofuels, L.L.C., Chaparral CO2, L.L.C., Chaparral Energy, L.L.C., Chaparral Exploration, L.L.C., Chaparral Real Estate, L.L.C. , Chaparral Resources, L.L.C., Charles Energy, L.L.C., Chestnut Energy, L.L.C., Green Country Supply, Inc., Roadrunner Drilling, L.L.C. and Trabajo Energy, L.L.C. The cases would be jointly administered for administrative and procedural purposes. Chaparral Energy, Inc. has been designated as the lead debtor.