PGS and Polarcus seismic tender absence Vol 14, PW 5 (26 Aug 10) Exploration & Production Norwegian companies PGS and Polarcus have surprised observers by their absence from an ONGC tender for 3D across its unexplored offshore NELP-VI and NELP-VII blocks.... Buy this article forRs590 $9For a 30-article or annual subscription rates click here Data not available in ...