Essar wins another Bokaro CBM drilling contract Vol 22, PW 4 (29 Nov 18) Exploration & Production Essar Oilfields Services has won another two-year ONGC contract for a rig already... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedONGC wants 3 workover rigs (26 Jan 23) ONGC wants CBM rig for Bokaro (22 Oct 20) OGD Services ready to mobilise MR11 to Bokaro (30 May 19) Essar wins another Bokaro CBM drilling contract (29 Nov 18) Essar favourite to win CBM rig tender at ONGC (09 Aug 18) What now for Greka as Essar prepares Bokaro rig (08 Feb 18) ONGC wants CBM rig to replace no-show Greka (14 Dec 17) Essar circles Greka CBM rig contract with ONGC (19 Oct 17) Greka rig to reach Bokaro for ONGC in October (21 Sep 17) ONGC approves CBM deal with Shiv Vani (18 May 06)