Essar Oil begins CBM exploration at Raniganj Vol 9, PW 17 (01 Dec 05) News in Brief Essar Oil begins drilling its first set of coreholes for coal bed methane sometime in the middle of this month.... Buy this article forRs590 $9 For a 30-article or annual subscription rates click here RelatedEssar plans shale gas E&P at Raniganj East (06 Apr 23) Essar wants to set up CBM liquefaction unit (20 May 21) Essar needs 40-tonne workover rig (21 May 20) Essar plans Sohagpur drilling (22 Mar 18) Essar begins piped CBM supplies to Durgapur (08 Sep 11) Essar submits $400m plan for Raniganj CBM (11 Mar 10) First CBM production from Essar block in two months (20 Mar 08) CGD business interest at Essar Oil (18 Oct 07) Essar requests six-month extension for CBM block (04 Oct 07) Essar Oil begins CBM exploration at Raniganj (01 Dec 05)