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Fracking is essential for the production of natural gas and oil from shale formations, and with advances in fracking technology, it is becoming easier and more accessible to access natural gas.
Fracking, or hydraulic fracturing, is a controversial process for extracting oil and natural gas from the ground It's spreading across the US despite there being a lot of concerns about it. A typical oil well is built straight down and pumps out all of the oil and natural gas that is deep down in the earth. But after continual use, these oil wells can start coming up dry. So fracking involves angling the drill horizontally into the rock layer and then blasting water at high pressures (this is why its called hydraulic) to release natural gas.