Preliminary figures provided by DrillingInfo, which monitors rig activity, showed drilling permits issued for the 90,000-square mile (233,100 sq km) reservoir beneath Pennsylvania, Ohio, and West Virginia, slumped to 68 in October from 76 in September. The drilling rigs are gone from the hills surrounding this Pennsylvania town of 30,000. The hotels and bars are quieter too, no longer packed with the workers who flocked in their thousands to America’s newest and biggest gas field. The drilling boom of the past seven years is over, even though thousands of existing wells in the Marcellus region still produce a fifth of U.S. natural gas supply. Now, exclusive data made available to Reuters points to a slump in drilling that could hit production next year, defying government and industry expectations of a further rise in output. Preliminary figures provided by DrillingInfo, which monitors rig activity, showed drilling permits issued for the […]