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- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/19%3A_Properties_of_Natural_Gas_and_Condensates_II/19.02%3A_Joule-Thomson_CoefficientWhether or not a gas cools upon expansion or compression — that is, when subjected to pressure changes — depends on the value of its Joule–Thomson coefficient. This is not only important for natural g...Whether or not a gas cools upon expansion or compression — that is, when subjected to pressure changes — depends on the value of its Joule–Thomson coefficient. This is not only important for natural gas pipeline flow, but also for the recovery of condensate from wet natural gases.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/13%3A_Elementary_Vapor-Liquid_Equilibrium_IIModule Goal: To establish the basic framework for vapor-liquid equilibrium calculations. Module Objective: To formulate the basic governing equations for performing flash calculations.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/20%3A_Engineering_Applications_I/20.03%3A_Compositional_Modeling_of_Gas-Condensate_Reservoirs-The_Zero-dimensional_ApproachFlash the reservoir fluid at the new pressure, calculate amount of moles in the gas and liquid phases (“GasT” and “LiqT”) and the densities and molecular weights of each of the phases at the new condi...Flash the reservoir fluid at the new pressure, calculate amount of moles in the gas and liquid phases (“GasT” and “LiqT”) and the densities and molecular weights of each of the phases at the new condition.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/14%3A_Thermodynamic_Tools_I/14.02%3A_Basic_DefinitionsIn thermodynamics, a system is a spatial domain bounded for the purpose of describing a problem; while the surroundings are the entire spatial domain outside of the system. The degree of freedom is th...In thermodynamics, a system is a spatial domain bounded for the purpose of describing a problem; while the surroundings are the entire spatial domain outside of the system. The degree of freedom is the number of intensive variables needed to define the state of the system. A reversible process is one for which the exchange of energy between the system and its surroundings takes place under vanishing gradients or driving forces; that is, the properties of the system and surroundings are balanced.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/07%3A_PT_Behavior_and_Equations_of_State_(EOS)_II/7.05%3A_Action_ItemIf a gas is ideal, would its compressibility factor (Z) be always equal to one? What is the information you need to obtain a value of “Z” for a gas? What is the compressibility factor of Methane (Pc =...If a gas is ideal, would its compressibility factor (Z) be always equal to one? What is the information you need to obtain a value of “Z” for a gas? What is the compressibility factor of Methane (Pc = 666 psia, Tc = – 117 F) at P = 1000 psia and T = 0 F? Speculate on how you could calculate the “Z” factor for a gas using vdW EOS. Some or all of the content of this module was taken from Penn State's College of Earth and Mineral Sciences' OER Initiative.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/05%3A_Phase_Diagrams_IV/5.06%3A_Action_ItemThe vapor pressure curves of Methane and Ethane bound the phase envelopes of the eight binary mixtures of Methane and Ethane at different proportions. If a certain amount of the mixture 40% C 1 – 60% ...The vapor pressure curves of Methane and Ethane bound the phase envelopes of the eight binary mixtures of Methane and Ethane at different proportions. If a certain amount of the mixture 40% C 1 – 60% C 2 is kept in a vessel at 500 psia, determine the temperature at which the vessel has to be subjected if at least 50% of the substance is required to be in the liquid state. What would be the composition of the first bubble that appears in a isothermal expansion of a liquid at – 40 o F?
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/06%3A_PT_Behavior_and_Equations_of_State_(EOS)_I/6.05%3A_SummaryQuantitatively, pressures and volumes used by the ideal gas model are higher than the values that a real gas would have. These are the primary reasons that scientists have made an effort to go beyond ...Quantitatively, pressures and volumes used by the ideal gas model are higher than the values that a real gas would have. These are the primary reasons that scientists have made an effort to go beyond the ideal gas EOS, simply because it does not apply for all the cases of interest. Some or all of the content of this module was taken from Penn State's College of Earth and Mineral Sciences' OER Initiative.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/07%3A_PT_Behavior_and_Equations_of_State_(EOS)_II/7.01%3A_Z-FactorWe said that once we have established a base (ideal) model, we look at a real case by estimating how close (or far) it performs with respect to the base (ideal) case, and introducing the corresponding...We said that once we have established a base (ideal) model, we look at a real case by estimating how close (or far) it performs with respect to the base (ideal) case, and introducing the corresponding corrections. In the previous equation, V is the real volume occupied by the gas and VIdeal is the volume that the ideal model predicts for the same conditions.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/02%3A_Phase_Diagrams_I/2.03%3A_Action_ItemProblem Set Speculate on what the difference would be between phase diagrams (P-T curve) of various pure component systems. Write a paragraph or so on what you believe the differences are and why. Wha...Problem Set Speculate on what the difference would be between phase diagrams (P-T curve) of various pure component systems. Write a paragraph or so on what you believe the differences are and why. What should be the differences in the diagrams in question 1? Are the dew points the same? What about the bubble points? And their critical points?
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/03%3A_Phase_Diagrams_IILearning Objectives Module Goal: To familiarize you with the basic concepts of phase diagrams as a means of representing thermodynamic data. Module Objective: To familiarize you with the use of P-T an...Learning Objectives Module Goal: To familiarize you with the basic concepts of phase diagrams as a means of representing thermodynamic data. Module Objective: To familiarize you with the use of P-T and P-v diagrams.
- https://eng.libretexts.org/Bookshelves/Chemical_Engineering/Phase_Relations_in_Reservoir_Engineering_(Adewumi)/12%3A_Elementary_Vapor-Liquid_Equilibrium_I/12.01%3A_IntroductionIn this case, you are no longer interested in bubble points or dew points, but rather the extent of the phases: how much liquid and how much gas the reservoir will be able to deliver at the surface. W...In this case, you are no longer interested in bubble points or dew points, but rather the extent of the phases: how much liquid and how much gas the reservoir will be able to deliver at the surface. We would want to know the quality and the quantity of what is coming out; that is, we need the compositions of the gas and oil that leave the separators and theflow rates of gas (MSCF/D) and oil (STB/D).
