Odin Spirit and not Hercules 30 will drill at Ravva Vol 9, PW 13 (06 Oct 05) Exploration & Production Cairn Energy will use mat-supported jack-up rig Odin Spirit and not Hercules-30 for its six-well development programme at Ravva.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedHercules 208 to drill for Cairn at Ravva (03 Oct 13) Ravva production hike expected after three workovers (01 Nov 07) Cairn India 'pleased' with Ravva DSTs (18 Oct 07) Cairn wants deepwater rig for new prospect at Ravva (19 Apr 07) Cairn drills second well at Ravva (14 Dec 06) Hercules 31 to come on location at Ravva in August (10 Aug 06) Four drillers compete for 6-well Ravva programme (17 Nov 05) Doubts surface over Odin Spirit rig for Ravva (20 Oct 05) Odin Spirit and not Hercules 30 will drill at Ravva (06 Oct 05) Cairn set to hire Hercules-30 for Ravva programme (08 Sep 05)