Modern Shale Gas Development In The United States A Primer Geology Regulations Environmental Considerations Hydraulic Fracturing Protecting Groundwater Pollution Threats Impact To Land -

hydraulic fracturing in the united states wikipedia - hydraulic fracturing in the united states began in 1949 according to the department of energy doe by 2013 at least two million oil and gas wells in the us had been hydraulically fractured and that of new wells being drilled up to 95 are hydraulically fractured the output from these wells makes up 43 of the oil production and 67 of the natural gas production in the united states, groundwater in the news groundwater - find excellent groundwater drought and groundwater quality information and educational resources here as well as teaching materials and research products from dr thomas harter s groundwater research group