Global begins Ravva 4D survey Vol 13, PW 13 (03 Dec 09) News in Brief Global Geophysical has begun a 280-sq km 4D acquisition for Cairn India at the ageing Ravva oil and gasfield off the east coast.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedAlphageo starts 2D shoot for ONGC in Rajasthan (05 Oct 17) Cairn keeps helicopter contractors guessing (24 Mar 16) Ravva oil price review (12 Jul 12) More Ravva oil (05 May 11) Global begins Ravva 4D survey (03 Dec 09) Cairn postpones 4D seismic at Ravva (30 Jul 09) Global Geophysical wins first 3D job in India (26 Jul 07) Cairn hopes for ‘modest reserves upgrade’ at Ravva (18 May 06) Good progress at Neelam lifts ONGC morale (02 Feb 00) New idea for development of G-1 deepwater structure (08 Dec 99)