After six years ONGC plans $180m CB-OS/1 drilling Vol 17, PW 14 (27 Feb 14) Exploration & Production After a six-year delay because of blocked environmental clearances ONGC hopes to begin preparing tenders from May for a $180m... Register here for subscription details Next Adani fights pipeline tax in Supreme Court Back BG happy to pay $130,000/day for PMT rig RelatedDeepwater Drilling branches out from jack-ups (06 Nov 14) ONGC board to discuss expensive Ravva well (17 Jul 14) After six years ONGC plans $180m CB-OS/1 drilling (27 Feb 14) Oil India's $180m Algeria Petroceltic 'farm-in' (27 Jun 13) ONGC gets seven bids for BPA-BPB (21 Feb 13) Two new rigs for ONGC ahead of time (13 Dec 12) Cairn wants deepwater rig for new prospect at Ravva (19 Apr 07) Essar buys 14 rigs for new drilling business (05 Oct 06) Tapti will see $550m investment to raise production (15 Dec 04)