Abstract This discussion will focus on in-situ bioremediation of hydrocarbon containing cuttings and the associated Oklahoma Corporation Commission guidelines for handling oil based drill cuttings. Biography Mr. Evans has over forty years of experience in the oil & gas service industry in engineering, technical support, product line management, and operations management. He is currently the owner of SOS Environmental, Inc. based out of Woodlands, TX. SOS Environmental Inc. provides products and services to environmental service providers, oil and gas producers, and chemical manufactures nationwide. Prior to this, he was the Vice President of TETRA Environmental Specialties and the DrlgMud Company.