Confusion at ONGC on pipeline adds to delay Vol 5, PW 9 (20 Jun 01) Exploration & Production More worrying is a dispute between Bharat Petroleum and the Ratna joint venture over the Crude Offtake Supply Agreement (COSA). ... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedLockdown pain continues for EPC contractors (18 Jun 20) All tenders on hold as ONGC grapples with GST (27 Jul 17) Cairn to lose Ambe unless it submits development plan (27 Nov 08) More delay in Rajasthan cost recovery for Cairn (29 Nov 07) Green Gas allowed to re-start CGD work in Lucknow (09 Aug 07) Indian drillers want ‘price preference’ in ONGC tenders (02 Nov 06) Competing pipelines will create confusion (05 Nov 03) Confusion at ONGC on pipeline adds to delay (20 Jun 01) Bechtel delays report on gas grid to Gujarat (16 Feb 00)