DeGolyer and MacNaughton is a renowned and well-established brand in the oil and gas industry. With a rich history dating back to 1936, D&M has consistently been a leader in providing exceptional petroleum industry consulting services. Employing over 180 petroleum professionals from diverse backgrounds, including engineers, geologists, statisticians, and economists fluent in more than 30 languages, D&M has a truly global reach.

Operating from offices around the world, they offer a comprehensive range of petroleum consulting services to clients worldwide. What sets D&M apart is their commitment to embracing cutting-edge technologies and their unwavering dedication to integrity and exceptional client service. Over the course of their 80-year history, D&M has earned an international reputation for their extensive industry knowledge, reliability, and a steadfast commitment to meeting the needs of their clients