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 forRs590 $9 For a 30-article or annual subscription rates click here RelatedThree rigs mobilise for ONGC (07 Mar 24) Expect high jack-up rates in 4-rig tender (11 Jan 24) Another ONGC rig roadshow (14 Jul 22) Shelf complains against ADES rig in ONGC tender (16 Jun 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)