Since 1955, Williamson Petroleum Consultants,
Inc. and its predecessor companies have been among the most respected petroleum engineering and management consulting companies.
Williamson clients include major oil companies, independent oil and gas producers, law firms, brokerage
firms, investment bankers, government agencies, accountants and many others. On behalf of these clients, Williamson has evaluated
oil and gas fields throughout the United States, as well as offshore waters and various international locations.Among Williamson’s services are property evaluations, reservoir analysis, expert witness testimony, acquisitions
studies and financial analyses from initial development to depletion.