Upgrade all 1979 rigs in phases: contractors Vol 26, PW 11 (18 May 23) Exploration & Production ONGC is delaying new jack-up tenders in the hope the Director General of Shipping... Buy this article forRs590 $9For a 30-article or annual subscription rates click here RelatedSix offer 9 jack-ups to ONGC (27 Mar 25) DGS order wins drillers praise (19 Sep 24) Upgrade all 1979 rigs in phases: contractors (18 May 23) Jain backs IADC against DGS (04 May 23) DGS rules blamed for ONGC rig tender delay (20 Apr 23) Arun Singh hits out at new DGS age norms (06 Apr 23) Upgrade your oldest jack-ups! DGS to ONGC (17 Nov 22) ONGC rig upgrade (10 Feb 11) Unfair rules force ONGC to upgrade rigs with BHEL (26 Jan 05)