4XCI

activated carbon for use in gas processing; chemicals, namely, carbons, heat transfer fluids, heat transfer salts, antifoams, engine coolants, scavengers, corrosion inhibitors, and solvents, all for use in processing and transportation of natural gas, production, transportation, and refining of oil, and in the processing of chemicals and petrochemicals; acids used in oil and gas exploration and production; cleaning solvents used in oil and gas exploration and production; chemicals used in oil drilling; chemical drilling fluids for use in subterranean wells, namely, drilling muds; chemical additives for use with drilling fluids; chemical drilling fluids for use in oil well drilling; chemicals for use in oil and gas production for the purpose of removing spent, de-watered drilling fluid from a wellbore; chemicals for industrial purposes, namely, emulsion breakers used to improve the separation of oil and water during a water treatment process; chemicals for industrial purposes, namely, foaming additives to improve oil and gas production; chemicals for use in the field of oil exploration and production