Consol Energy (CNX -1.7%) says it added 954B cfe of proved reserves through extensions and...

Consol Energy (CNX -1.7%) says it added 954B cfe of proved reserves through extensions and discoveries during 2012, yielding a drill bit finding and development cost of $0.46/M cfe, the third straight year CNX has achieved a sub-$0.50 rate. Total year-end proved reserves were a record 3.993T cfe, a 15% Y/Y increase.