It is the second largest oil and gas formation in the Neuquén Basin after the
Vaca Muerta. Los Molles Formation is estimated to have of technically recoverable shale gas and of technically recoverable oil. In July 2015, the
Buenos Aires Herald indicated that
Pan American Energy and
YPF planned to drill 46 shale gas wells in Los Molles over the next four years in their Lindero Atravesado drilling block, at an estimated cost of US$590 million. == Fossil content ==