David has significant onshore and offshore oil and gas developments experience including facilities engineering, construction, installation, project management, and production operations. His developments experience has ranged from onshore remote locations to offshore deepwater locations.He has international experience working with national energy companies, energy ministries, and governmental regulators. He has been responsible for managing subsurface asset, drilling and completion, and production operations teams.Mr. Hartell has presented papers at international conferences in the U.K., United States, Brazil, Malaysia, Indonesia, and Korea. He is a member of the Society of Petroleum Engineers.