Chaparral Energy, Inc., along with its affiliates, filed a motion for joint administration of their Chapter 11 bankruptcy cases in the US Bankruptcy Court on August 16, 2020. As per the motion, the debtor seeks the joint administration of the cases of its affiliates, 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. with its own case for administrative and procedural purposes. Chaparral Energy, Inc. has been proposed as the lead debtor.