Dawson Geophysical Company acquires and processes two-dimensional (2-D), three-dimensional (3-D) and multi-component seismic data used in the exploration for, and development and field management of oil and natural gas reserves. The Company's land-based data acquisition crews operate throughout the lower 48 states. Data processing is performed by its geophysicists at its computer center located in Midland, Texas. Dawson also provides data processing services through its Houston, Texas, office. The Company acquires and processes data for its clients, ranging from major oil and gas companies to independent oil and gas operators, who retain exclusive rights to the information obtained