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UT experts find over half of fracking wells associated with earthquakes in Oklahoma

UT research revealed that excess water produced from hydraulic fracturing, a method used to extract natural resources such as oil by injecting pressurized liquid into rocks, can disrupt pressure levels underground and lead to earthquakes, according to a journal in the Seismological Research letters published on Oct. 31.  Researchers examined places where water was stored near tight oil fields including Oklahoma, Bakken, Eagle Ford and the Permian Basin shale field. Oklahoma had the highest levels of induced seismicity, with 56 percent of wells used to dispose produced water associated with earthquakes, according to the study. Eagle Ford Shale in South Texas came in second place, where 20 percent were associated with earthquakes.  Read more...



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