ONGC starts Cluster-3 appraisal drilling at 98/2 Vol 23, PW 20 (13 Aug 20) Exploration & Production ONGC has begun a four-well appraisal drilling programme at its Cluster-3 field at... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedONGC plan to outsource 23% of its workforce (20 Apr 23) Hope for Borhapjan as Oil India strikes gas (16 Dec 21) Adani evaluates 7 jack-up rigs from 3 companies (31 Oct 19) ONGC plans UD-1 appraisal after winning DOC (09 Aug 18) ONGC tests G-4 well as KT-2 struggle continues (08 May 14) ONGC wants rig for Cauvery discovery (31 Oct 13) Lots of rigs drilling for ONGC - an update! (11 Jul 13) ONGC starts Mahanadi drilling (02 Jul 09) Slow repair work for Sea Drill-5 (04 May 06) Kurmangazy block needs $950m investment (15 Jan 03)