Vedanta Limited’s Cairn Oil & Gas is India’s biggest oil and gas exploration and production company. As the largest private sector crude oil producer, Cairn currently operates in Rajasthan, Andhra Pradesh, and Gujarat. Cairn’s accomplishments include constructing the world’s longest continuously heated and insulated pipeline, completing the world’s largest Enhanced Oil Recovery (EOR) polymer flood project, and implementing the world’s largest Alkaline Surfactant Polymer (ASP) project. To suit their needs, they sought a robust access control system that could endure extreme weather conditions and required minimal cabling.