ONGC refuses to amend rig tender to suit Shelf Vol 17, PW 17 (10 Apr 14) Exploration & Production ONGC has extended the bid deadline for its 11 jack-up tender by a month from April 3 to May 5 so bidders have time to look... Buy this article forRs490 $9 For a 30-article or annual subscription rates click here Next Get ready for $330m tender to decommission Tapti Back Greka waits for Essar cash before deploying rigs RelatedSurprise six bids in 5-jack-up ONGC tender (24 Aug 23) Another ONGC rig roadshow (14 Jul 22) Shelf complains against ADES rig in ONGC tender (16 Jun 22) Only Indian companies at 6-jack up pre-bid (07 Apr 22) ONGC offered 11 jack-ups from five companies (12 Aug 21) ONGC attracts 15 to rig 'roadshow' (15 Jul 21) ONGC set to award five jack-up LoAs (22 Apr 21) Shelf hits back at ONGC favouritism allegation (09 Mar 17) ONGC only has itself to blame for 'rig shortage' (18 Dec 14) ONGC refuses to amend rig tender to suit Shelf (10 Apr 14)