Low-permeability sandstones and shales in the United States may contain significant natural gas reserves that could be extracted by artificial fracturing.

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Low-permeability sandstones and shales, commonly referred to as shale gas formations, have the potential to contain significant amounts of natural gas that can be extracted using hydraulic fracturing or fracking. This technique involves injecting water, sand, and chemicals under high pressure to create small fractures in the rock and release the trapped gas. The United States has seen a significant increase in natural gas production from shale formations in recent years, leading to a shift towards cleaner-burning natural gas as a primary fuel source.

Low-Permeability Sandstones and Shales in the United States May Contain