TGS, through its wholly-owned subsidiary Arcis Seismic Solutions, has commenced acquisition of a 3D multi-client onshore survey, Ille Lake, covering 180 km² (70 mi²) in the deep basin of Central Alberta, Canada.
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TGS commences a 3D multi-client survey covering 7,000 km² in the Central Gulf of Mexico.
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TGS, through its newly acquired wholly-owned subsidiary Arcis Seismic Solutions, is pleased to announce the Cameron River 3D survey, a 470 km² (181.5 mi²)  onshore 3D multi-client project located in NE British Columbia, Canada.
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TGS has signed an agreement with Colombia’s Agencia de Hidrocarburos (ANH) to acquire a new 10,000 km proprietary 2D survey offshore Colombia.
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TGS will commence the Europe 2013 acquisition season with two 3D multi-client surveys in the Norwegian Barents Sea; Finnmark Platform 2013 covering 3,500 km² and the Hoop to Fingerdjupet 2013 covering 8,600 km². 
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TGS has commenced acquisition of a 3D multi-client survey, Sunfish, which covers up to 7,800 km² of highly prospective acreage in the Harper Basin, offshore Liberia.
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TGS announces that it has signed a Letter of Intent with Fugro-Geoteam AS to charter an 8 streamer vessel, for 3D multi-client projects in Europe during the 2013 summer season.
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