Fracking: Article that gave incentives to fracking in Colombia falls – Congress – Politics



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Hydraulic fracturing or ‘fracking’ is a technique that allows the extraction of so-called shale gas, a type of unconventional hydrocarbon that is literally trapped in layers of rock, at great depth (see animation above and graphic to the right).

After drilling into shale rock, large amounts of water with chemical additives and sand are injected at high pressure to fracture the rock and release the gas, methane. When the gas begins to flow back, it does so with part of the fluid injected at high pressure.

POLITICS

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