ONGC issues tender for 12-rig upgrade Vol 8, PW 15 (20 Oct 04) News in Brief On 15th October, ONGC issued international competitive bids for the upgrade and refurbishment of 12 rigs operating at various onshore locations in India.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedDGS rules blamed for ONGC rig tender delay (20 Apr 23) ONGC extends NQ upgrade deadline to July 9 (27 Jun 19) Punj Lloyd wins Haldia refinery EPCC-2 tender (30 Jul 15) Advantage barge owners in ONGC tender (31 Oct 13) ONGC new tender for Assam (26 Mar 09) ONGC to re-tender Assam upgrade (30 Oct 08) Aban Offshore upgrades Aban Pearl (07 Feb 08) Unfair rules force ONGC to upgrade rigs with BHEL (26 Jan 05) ONGC issues tender for 12-rig upgrade (20 Oct 04) More than 20 tenders for Dahej LNG through HBJ (26 Sep 01)