Cairn set to hire Hercules-30 for Ravva programme Vol 9, PW 11 (08 Sep 05) Exploration & Production Cairn Energy is in talks with Texas-based Hercules Offshore LLC to hire its Hercules-30 mat-supported jack up rig for a six-well development programme at Ravva. ... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedCairn postpones 4D seismic at Ravva (30 Jul 09) Ravva oil production declining quicker than expected (24 Jul 08) Cairn set to appraise RX-8 at Ravva (29 Nov 07) Hercules 31 to come on location at Ravva in August (10 Aug 06) Cairn hopes for ‘modest reserves upgrade’ at Ravva (18 May 06) Cairn set to hire Hercules-30 for Ravva programme (08 Sep 05) Three wells planned at Ravva in next financial year (25 Feb 04) More details of Cairn's Ravva plans for next year (13 Feb 02)