释义 |
formation factor formation factor[fȯr′mā·shən ‚fak·tər] (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). |