Questions and Answers
Which of the following is true about the irreducible water saturation (Swir)?
It refers to the saturation of the water at a specific point.
Which process involves displacement of the wetting phase by the non-wetting phase?
Drainage process
Which of the following is a characteristic of oil-wet systems?
The relative permeability to water at maximum water saturation is greater than 0.5.
Which correlation uses the effective phase saturation as the correlating parameter?
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Which method is commonly used to measure relative permeabilities in the lab?
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What is the effect of rock wettability on relative permeabilities?
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Which correlations can be used to estimate relative permeabilities?
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What is the accurate definition of relative permeability?
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Which method can be used to determine fluid saturations in porous rock?
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What is the formula for calculating water saturation in a porous media?
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What is the purpose of the centrifugal method in determining fluid saturations?
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What factors can affect the fluid saturations of cores taken from the field?
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According to Darcy's Law, if two or more fluids flow through a porous media, each fluid will flow according to which equation?
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What does the relative permeability ($kr$) represent?
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What does the wetting phase relative permeability curve show?
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What does the non-wetting phase relative permeability curve show?
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Which term refers to the water trapped in the pores of a rock during its formation?
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What is the formula for initial oil in-place (N)?
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What does Swi represent in the equation for initial oil in-place?
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What is the formula for irreducible water saturation (Swir)?
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What does Swir represent in the equation for irreducible water saturation?
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What is the formula for irreducible water saturation (Swir) in water-wet rock?
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According to the text, what is the equation for gas-oil relative permeability using Corey's approximation?
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What is the purpose of normalizing and de-normalizing relative permeability data?
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What is the equation for calculating the normalized water saturation, S*w?
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What is the equation for normalizing the relative permeability of the water phase?
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What is the formula for calculating the initial oil in-place (N)?
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What is the formula for calculating the water saturation (Sw) in a porous media?
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What is the definition of connate water?
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What is the definition of interstitial water?
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What is the formula for irreducible water saturation (Swir)?
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What is the definition of irreducible water saturation (Swir)?
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What is the formula for calculating the normalized water saturation ($S*w$)?
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What is the purpose of the centrifugal method in determining fluid saturations?
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What factors can affect the fluid saturations of cores taken from the field?
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Which term refers to the water entraped in the intertices of the rock at the time of deposition?
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What is the formula for calculating the initial oil in-place, N?
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What is the formula for calculating the water saturation, Sw?
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What is the formula for calculating the irreducible water saturation, Swir?
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What is connate water?
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What is interstitial water?
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What is the formula for calculating the normalized water saturation, S*w?
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What is the formula for calculating the normalized oil saturation, S*o?
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What is the purpose of normalizing fluid saturations?
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What is the lowest water saturation that can be achieved in a core plug by displacing the water with oil or gas?
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What is the purpose of the centrifuge method in determining fluid saturations?
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