Hardy and HOEC in helicopter row with ONGC Vol 14, PW 21 (21 Apr 11) Exploration & Production ONGC is furious with UK-listed Hardy Oil & Gas and Eni-subsidiary HOEC over plans to share a single helicopter between the PY-3 oilfield and the PY-1 gasfield offshore Tamil Nadu.... Buy this article forRs590 $9For a 30-article or annual subscription rates click here Data not available in ...