ENFORCEMENT: Colo. driller agrees to higher fine for spill because it's 'appropriate' Gayathri Vaidyanathan, E&E reporter Published: Wednesday, June 19, 2013 If Colorado gave out gold stars to oil companies for their response to spills, PDC Energy Inc. would earn one. Please subscribe to EnergyWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.