Calumet Specialty Products Partners is acquiring Tulsa, Okla.-based Anchor Drilling Fluids USAs parent company, ADF Holdings, for $235 million. Houghton International completed its acquisition of Henkels North American Steel Mill business, including rolling oils, pickle oils, wet temper fluids and steel mill-specific cleaners. Automotive parts company Chr. Kapodistrias & Sons will distribute Castrol products for BP Eastern Mediterranean Ltd. in Cyprus.