BP begins work at Birbhum CBM block in West Bengal Vol 11, PW 16 (13 Dec 07) Exploration & Production BP has wasted no time after its PEL award on November 29 for the Birbhum CBM block in West Bengal.... Register here for subscription details Next Anger over ONGC decision to hire two Hercules rigs Back Libya success as IOC and Oil India pick up four blocks RelatedBP weighs up CBM options in West Bengal (14 Jan 10) BP on fourth corehole at Birbhum (24 Sep 09) Oil India believed to be interested in BP Birbhum block (04 Jun 09) BP completes public hearing for CBM block at Birbhum (21 Aug 08) BP 'public hearing' at Birbhum (10 Jul 08) After bird flu BP resumes Birbhum CBM block work (06 Mar 08) Bird flu epidemic hits BP at Birbhum (24 Jan 08) BP finally receives PEL for CBM block in West Bengal (13 Dec 07) BP expects PEL in March for CBM block in West Bengal (25 Jan 07)