ONGC deadline for 600-metre rig Vol 13, PW 24 (20 May 10) News in Brief ONGC is demanding confirmations by Thursday, May 20 (today) in its tender to hire a semi-submersible that can drill in 600-metre water depths for three years from December 2010.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedONGC again extends 6-onland rig deadline (13 Jul 23) Rig contractors bombard ONGC with queries (15 Jun 23) ONGC extends rig bid deadline (23 Mar 23) Deep set to win ONGC rig extension in Tripura (19 Sep 19) ONGC wants CBM rig to replace no-show Greka (14 Dec 17) ONGC extends Bokaro rig tender (17 Nov 16) Land rig frustration as ONGC changes mind again (06 Oct 16) ONGC rig tender extension (12 Jul 12) ONGC extends 7500-ft rig deadline (07 Aug 08) November 16 deadline for ONGC to hire Eirik Raude (15 Nov 07)