ASKER, NORWAY (4 August 2011) - TGS reports  net revenues of  USD 136 million in  Q2 2011, compared to USD  112 million in Q2 2010.  Investments and the corresponding pre-funding revenues were significantly lower in Q2 2011 than in Q2 2010 due to the expected back end loaded investment plan, as.

ASKER, NORWAY (2 August 2011) - TGS has commenced a new multi-client 3D survey in the Faroe-Shetland Basin.   The survey covers 2,500 km² west of the British Isles over quads 6004, 204 and 205 and is acquired in partnership with PGS.