Wednesday, February 28, 2018

Shale-rich Oklahoma still facing seismic test

Shale-rich Oklahoma still facing seismic test
Shale-rich Oklahoma recorded a minor tremor early Wednesday, highlighting state struggles to address geological concerns in its energy sector.


The U.S. Geological Survey recorded a 2.9-magnitude quake in Fairview, an area prone to heightened seismicity.

Seismicity peaked in 2015, with more than 900 tremors of greater than magnitude-3 recorded.Two years ago, Gov. Mary Fallin approved $1.4 million in funding to expand efforts to address the issue.

One of the U.S. states with a significant amount of shale oil and natural gas, a study from the USGS found the disposal of oil and gas-related wastewater is the "primary reason" for an increase in seismic activity in central states like Oklahoma. That process is different from hydraulic fracturing.
 (UPI)
 28/2/18
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