Mexico has fracked just a few test wells, while the U.S. has had nearly 2 million commercial ones. Mexico hasn’t yet produced shale gas, compared to the U.S., which now that the Anadarko play in Oklahoma has been added to the EIA’s Drilling Productivity Report on 7 shale plays is producing 60 Bcf/d of shale gas – over 80% of total national production (here).