Here's a moment that almost everyone has experienced—you drop your phone screen down on a hard surface and hear the telltale crunch. The screen is cracked but you don't know how bad. You pick up the phone and survey the ...
Earth Sciences
Jan 29, 2024
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1
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
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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 EPFL have developed a new model to calculate hydraulic fracture propagation. Acclaimed for its accuracy by experts, the model better predicts fracture geometry and the energy cost of hydraulic fracturing—a ...
Soft Matter
Jan 16, 2020
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122
The risk of man-made earthquakes due to fracking is greatly reduced if high-pressure fluid injection used to crack underground rocks is 895m away from faults in the Earth's crust, according to new research.
Earth Sciences
Feb 27, 2018
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475
Stanford geophysicists have developed a detailed map of the stresses that act in the Earth throughout the Permian Basin in West Texas and southeastern New Mexico, highlighting areas of the oil-rich region that could be at ...
Earth Sciences
Feb 8, 2018
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89
In work that offers insight into the magnitude of the hazards posed by earthquake faults in general, seismologists have developed a model to determine the size of an earthquake that could be triggered by the underground injection ...
Earth Sciences
Dec 20, 2017
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323
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
Pressure, temperature and fluid composition play an important role in the amount of metals and other chemicals found in wastewaters from hydraulically fractured gas reservoirs, according to Penn State researchers.
Environment
Dec 9, 2016
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546
