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geopressure gradient

1. n. [Geology]

The change in pore pressure per unit depth, typically in units of pounds per square inch per foot (psi/ft) or kilopascals per meter (kPa/m). The geopressure gradient might be described as high or low if it deviates from the normal hydrostatic pressure gradient of 0.433 psi/ft [9.8 kPa/m].

See: abnormal pressuregeopressurehydrostatic pressurepore pressurepressure gradient

Pressure versus depth plot
Pressure versus depth plot.

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