Gregory A. Barnes, P.E.
Expert Witness
Gregory A. Barnes, P.E. is an oil and gas expert specializing in appraisal and valuation within the upstream sector. With a career spanning strategic leadership, engineering management, and asset development, he brings a comprehensive framework for evaluating complex industry disputes. His work centers on investigating reservoir engineering practices, assessing asset valuations, and evaluating whether reserves reporting aligns with industry standards. Mr. Barnes has been retained in numerous expert witness and consulting engagements across the United States, involving oil and gas asset valuation, reservoir engineering, and enhanced oil recovery cases. His Master of Science in Petroleum Engineering from Texas A&M University, along with his Registered Professional Engineer certification in Texas, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving unconventional reservoirs and development demands.