CPL @1104 (95.7%) on 18-mar-2018 [ "expansion of natural _" "royalties from natural _" "potential of shale _" "drilling for natural _" "success of shale _" "impact of shale _" "projects for natural _" "government for natural _" "revenues from natural _" "meters of natural _" "nationalization of natural _" "operations for natural _" "drilling , natural _" ] using gas_exploitation