TGS ASA is a Norway-based provider of geoscience data and intelligence to the global energy industry. The company acquires, processes and licenses multi-client seismic surveys, well data, geochemical data and basin-evaluation studies aimed primarily at upstream oil and gas exploration and production. Its offerings include 2D and 3D seismic imaging, gravity-magnetic data, digital well logs, geochemical sampling and interpretation services, as well as integrated subsurface mapping and analytics.
Originally established in 1998 as TGS-Petrodata through the demerger of the data processing division of Petroleum Geo-Services ASA, the company rebranded as TGS ASA in the early 2000s. Since its inception, TGS has grown through strategic multi-client survey investments and selective acquisitions, expanding its library of interpretive data and proprietary basemaps that support exploration and development decision-making.
TGS serves clients across the Americas, Europe, Africa and Asia Pacific, maintaining a global network of offices in major hydrocarbon centres such as Houston, London, Calgary, Perth, Singapore and Rio de Janeiro. Its data library covers both frontier and mature basins, enabling energy companies to evaluate exploration opportunities, plan drilling programs and manage subsurface risk.
The company is led by President and Chief Executive Officer Kristian Johansen, supported by a management team headquartered in Oslo, Norway. Under this leadership, TGS continues to invest in new data acquisition technologies, machine-learning tools and digital platforms to meet evolving industry demands for faster, more integrated subsurface insights.
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