The forcing open of fissures in subterranean rocks by introducing liquid at high pressure, especially to extract oil or gas.
- This process, which is analogous to hydraulic fracturing, causes the rock mass to dilate.
- Progressive intrusion and hydraulic fracturing gave rise to local brecciation of the banded rocks.
- The technique involves drilling several metres below the casing shoe, and then pumping drilling mud into the well while monitoring the surface pump pressure for indications of hydraulic fracturing.
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Syllabification: hy·drau·lic frac·tur·ing
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