Robert A. Brook

ION Geophysical Corp. engages in the provision of geoscience technology, services, and solutions to the oil and gas industry. It operates through the E&P Technology and Services, and Operations Optimization segments. The E&P Technology and Services segment creates digital data assets and delivers services that improve decision-making, mitigate risk and maximize portfolio value for E&P companies. The Operations Optimization segment develops mission-critical subscription offerings and engineering services that enable operational control and optimization offshore. The company was founded in 1968 and is headquartered in Houston, TX.

Output Exploration LLC provides oil and gas exploration and production services using advanced geophysical technologies and innovative techniques. Its operations are on three regions the Sacramento Basin in California, the Anadarko Basin in Oklahoma, and the Gulf Coast Basin of Texas and Louisiana. The company was founded in 1992 and is located in Stafford, TX.