A look at how George Mitchell's horizontal drilling and hydraulic fracturing changed US energy

  • by: JONATHAN FAHEY , AP Energy Writer
  • Updated: July 26, 2013 - 8:05 PM

NEW YORK — The technological breakthrough pioneered by George P. Mitchell, the billionaire Texas oilman and philanthropist who died Friday at age 94, reversed the fortunes of the U.S. energy industry and reshaped the global energy landscape.

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