David Patton has over 45 years of experience in various aspects of oil and gas law, including acquisitions and sales of assets or equity interests, and drafting and negotiating leases, contracts and agreements related to field operations. David has represented clients in connection with surface use conflicts, day-to-day exploration and development activities, and the resolution of oil and gas disputes. He is a frequent speaker on oil and gas issues and active in the Rocky Mountain Mineral Law Foundation and the State Bar of Texas. David is Chair Emeritus of the Firm's Energy Practice Group.