ASKER, NORWAY (31 January 2018) - TGS will release its Q4 2017 financial results along with 2018 guidance at approximately 07:00 CET on 8 February 2018..
ASKER, NORWAY (16 January 2018) - TGS announces three new onshore seismic projects; Sanderson, West Hackberry and Dawson in prolific North American.