Sentences with phrase «water under great pressure»
Gas wells are punched deep into the earth; layers of rock are then «cracked» by injecting sand - and chemical - filled water under great pressure - the so - called «fracing» process - allowing natural gas to escape to the surface via well head, and so it is feared, allowing contaminants from fracing fluids to move into nearby water wells.
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Trapped and under great pressure and heat, the water was released from the oceanic plate and moved up through the mantle and toward the lower crust.