During 2012, 60 new exploratory wells were drilled, as 56 were drilled in 2011 and 47 in 2010. The overall commercial success rate was 40% (40.8% net to Eni) as compared to 42% in 2011 (38.6% net to Eni) and 41% in 2010 (39% net to Eni). In 2012, 351 development wells were drilled as well, as 407 in 2011 and 399 in 2010.[129][130][131]