A decade's worth of research at oil and gas operations in the central and eastern United States has confirmed that fluid injection from hydraulic fracturing and wastewater disposal can induce seismicity.
Earth Sciences
Apr 20, 2023
0
5
Researchers were able to observe stress changes before and during an earthquake induced by hydraulic fracturing in Alberta, Canada, with the help of a phenomenon called seismic anisotropy.
Earth Sciences
Mar 2, 2022
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21
The way companies drill for oil and gas and dispose of wastewater can trigger earthquakes, at times in unexpected places.
Earth Sciences
Nov 11, 2020
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1686
Researchers at the University of Alberta have conducted the first-ever study to use hydraulic fracturing fluids to examine effects on aquatic animals, such as rainbow trout. Horizontal drilling with high-volume hydraulic ...
Environment
Jan 25, 2017
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18
As the oil and gas drilling technique called hydraulic fracturing (or "fracking") proliferates, a new study on the contents of the fluids involved in the process raises concerns about several ingredients. The scientists presenting ...
Environment
Aug 13, 2014
20
0
In the United States, natural-gas production from shale rock has increased by more than 700 percent since 2007. Yet scientists still do not fully understand the industry's effects on nature and wildlife, according to a report ...
Environment
Aug 1, 2014
4
1
The oil and gas extraction method known as hydraulic fracturing, or fracking, could potentially contribute more pollutants to groundwater than past research has suggested, according to a new study in ACS' journal Environmental ...
Environment
Jun 25, 2014
1
0
Two nearly identical softballs, both approved for league play, can have dramatically different effects when smacked into a player's head.
Computer Sciences
Sep 12, 2013
0
0
Both oil production and geothermal energy need fluids to move through fracture channels within subsurface rocks. Yet accurately mapping and measuring fractures created for fluid flow is challenging, because what happens underground ...
Earth Sciences
Mar 31, 2021
1
6
Using computer analysis prior to drilling could limit seismic events as a result of hydraulic fracturing, according to new research published in the Canadian Geotechnical Journal.
Environment
Nov 10, 2015
0
25
