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Bookmark or Share- Fracking - WikipediaFracturing occurs when effective stress is overcome by the pressure of fluids within the rock. The minimum principal stress becomes tensile and exceeds the tensile strength of the material.
- Hydraulic Fracturing 101 - EarthworksHydraulic fracturing (aka fracking) stimulates wells drilled into geologic formations, making profitable otherwise prohibitively expensive extraction. Families on the front lines of mining, drilling, and fracking need your help.
- What is fracking and why is it controversial? - BBC NewsHydraulic fracturing, or fracking, is a technique for recovering gas and oil from shale rock. It involves drilling into the earth and directing a high-pressure mixture of water, sand and...
- Fracking | Definition, Environmental Concerns, & Facts | Britannicafracking, in natural gas and petroleum production, injection of a fluid at high pressure into an underground rock formation in order to open fissures and allow trapped gas or crude oil to flow through a pipe to a wellhead at the surface.
- Hydraulic Fracturing | U.S. Geological Survey - USGS.govHydraulic fracturing, commonly known as fracking, is the process of injecting water, sand, and/or chemicals into a well to break up underground bedrock to free up oil or gas reserves. The USGS monitors the environmental impact of this practice across the country, from potential earthquakes to degraded groundwater quality.
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