Engineering Concepts Made Easier
Building on engineering fundamentals and making engineering concepts easier
Material Balance of Saturated Reservoirs
A saturated reservoir is a reservoir where the reservoir pressure has fallen below the bubble point pressure line. Black oil ...
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Material Balance Undersaturated Reservoir
If one understands thermodynamic states, one can get really good at deriving material balance relationships for different reservoirs. It's simple, ...
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Types of Reservoir Fluids
The reservoir can produce different types of fluids. Each different fluid type has characteristics that petroleum engineers need to be ...
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Phase Diagram
In high school we all learn about the single phase diagram for pure substances. Unfortunately, petroleum engineers don't normally use ...
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Two Phase Gas Formation Volume Factor (Btg)
So far we have considered reservoir pressures maintained above the dew point. At reservoir pressures above the dew point, only ...
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Volatilized Oil-Gas Ratio (Rv)
In past discussions we looked at how to keep track of reservoir produced volumes below and above the bubble point ...
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Gas Formation Volume Factor (Bg)
Previously we discussed the two phase oil formation volume factor. It accounted for both free gas and oil in the ...
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Two Phase Oil Formation Volume Factor (Bt)
So far we have considered reservoir pressures maintained above the bubble point. At reservoir pressures above the bubble point, only ...
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Solution Gas Oil Ratio (Rs)
When oil is transported to the surface, we learned that it shrinks. It shrinks because gas evolves out of the ...
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