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Oilfield Glossary
Oilfield Glossary
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geopressure gradient

Pressure versus depth plot
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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].