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Bookmark or Share- How Hydraulic Fracturing Works - National Geographic SocietyHydraulic fracturing, or fracking, is a drilling method used to extract petroleum (oil) or natural gas from deep in the planet. In the fracking process, cracks in and below Earth's surface are opened and widened by injecting water, chemicals, and sand at high pressure.
- 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...
- The facts behind the frack - Science NewsHydraulic fracturing, or fracking, wrenches open rock deep beneath the Earth’s surface, freeing the natural gas that’s trapped inside. Proponents argue that fracking-related gas...
- Fracking in the United States - WikipediaFracking in the United States. 1 language. Article. Talk. Read. Edit. View history. Tools. From Wikipedia, the free encyclopedia. States that ban fracking as of 2021. Environmental Protection Agency illustration of the water cycle of hydraulic fracturing. Fracking in the United States began in 1949. [1] .
- Fracking | Definition, Environmental Concerns, & FactsFracking, 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. Fracking has raised concerns over its economic and environmental consequences.
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