Eighteen companies visit CBM data at DGH Vol 5, PW 13 (15 Aug 01) Exploration & Production Eighteen companies - ten Indian and eight US-based - have visited the Directorate General of Hydrocarbons data room to inspect Coal Bed Methane data ahead of bidding for seven blocks on offer.... Buy this article forRs590 $9For a 30-article or annual subscription rates click here Data not available in ...