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单词 formation factor
释义 formation factor
[fȯr`mā·shǝn ´fak·tǝr]
GEOCHEMISTRY
The ratio between the conductivity of an electrolyte and that of a rock saturated with the same electrolyte. Also known as resistivity factor.
GEOLOGY
A function of the porosity and internal geometry of a reservoir rock system, expressed as F = ϕ-m, where ϕ is the fractional porosity of the rock, and m is the cementation factor (pore- opening reduction).
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