In which of the following situations would Archie\'s equation be incorrect? Ther
ID: 284295 • Letter: I
Question
In which of the following situations would Archie's equation be incorrect? There are no hydrocarbons in the formation fluids The formation is water wet The cemenation exponent is less than 1 Hydrocarbon saturation is high in the presence of clays The porosity of the formation is too high Which of the porosity logs is most sensitive to the liquid and gas component of the rock? Acoustic log Neutron log Density log Sonic log Which of the following is these properties is directly measured by a neutron porosity tool? hydrogen index porosity atomic weight Compressional velocity Which of the following information about the photoelectric effect is true? Provides information about compton-scattering of gamma rays Provides information about the electron density of formations Provides information about the hydrogen concentration of formations Provides information about the absorption of high speed photonsExplanation / Answer
11. C
Cementation factor must be greater than 1.
12. D. Density log due to reason that it underestimate the gas density.
13.A hydrogen index
14. D. Photoelectric effect happens when low energy eltron emit light while absorbing.