Norway-based TGS, report record high late sales in the fourth quarter of 2013, and inform of four new multi-client surveys: a 3D survey in offshore Northwest Australia, two 2D surveys offshore Madagascar and a 3D survey onshore Alberta, Canada. Based on preliminary reporting from operating units, TGS management expects net revenues for the fourth quarter of 2013 to be approximately USD 270 million, bringing total estimated net revenues for 2013 to approximately USD 882 million.