Kerr-McGee Cleveland Refinery – Oklahoma Gallery Kerr-McGee Cleveland Refinery – Oklahoma Case Studies, Oklahoma, Remedial Applications Kerr-McGee Cleveland Refinery – Oklahoma Completed on time, within budget, with a cost savings of $2.82 million. Kerr-McGee Cleveland Refinery – OklahomaGravity Marketing2022-08-12T21:45:42+00:00