searching for Pore pressure gradient 2 found (4 total)
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Under the conditions of a pore pressure gradient, the ground water flows, according to the permeability equation (Darcy's law ). ...Blowout (well drilling) (4,434 words) [view diff] exact match in snippet view article find links to article
In other petroleum engineering words, the formation pore pressure gradient exceeds the mud pressure gradient, even in some cases when the ...