GCS  is a consulting company with long experience in providing geological solutions to the petroleum industry. The company provides technical services and develops software tools applied to petroleum E&P companies. Customers range from major oil companies, national oil companies, to smaller independents and small start-ups. 
With deep roots in scientific research and development, our company performs innovative studies focused in the understanding of oil – gas reservoirs. Our background includes more than 25 years of experience in conducting field, subsurface and integrated studies in more than 25 sedimentary basins in 11 countries.