Hydrocarbons trapped within porous media are easier to model with computer simulations than researchers previously assumed — a discovery that opens up new possibilities for thermodynamics research.
Hidden deep below our feet, petroleum reservoirs are made up of hydrocarbons like oil and natural gas, stored within porous rock. These systems are particularly interesting to physicists, as they clearly show how temperature gradients between different regions affect the gradients of fluid pressures and compositions.
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However, because these reservoirs are so hard to access, researchers can only model them using data from a few sparse points, meaning many of their properties can only be guessed at. They show that if the right choices are made when constructing models, no assumptions are needed in order to calculate the impact of temperature gradients on pressure and composition gradients.
Drawing on this main equation, they were able to identify several special cases where the pressure gradient is influenced by other properties, including the residual entropy of the fluid — the point at which the permeability of the rock becomes lower than a certain threshold. When this happens, temperature gradients generate pressure gradients which are proportional to this residual entropy. This implies that the pressure gradients across small parts of the fluid are generated by the balance between their own residual entropy, and that of the fluid as a whole.
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Galliero and his colleagues started from basic principles of thermodynamics, then validated their conclusions using computer simulations. Their work could prove invaluable to petroleum engineers and geoscientists exploring the intriguing thermodynamic properties of petroleum reservoirs. Montel, H.
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Petroleum Engineering is a domain related to activities of hydrocarbon production, which could be either natural gas or crude oil. Petroleum engineers work in almost all phases of field assessment, development and production. Main job of Petroleum engineer is to maximize hydrocarbon recovery and to minimize the cost associated with it.
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Petroleum engineer also has to ensure that both the above objectives are achieved with no to minimum associated environmental impacts. This course is an introduction to the petroleum and reservoir engineering and is not a superficial presentation of the technology available in the industry.
The course is designed to have a revolutionary effect on the students who are about to kick start their careers. The course focuses on the field and application approach, and includes classroom exercises, fundamental engineering problems, and basic field exercises.
Advanced Petroleum Geomechanics
This course will give an overall understanding of Petroleum Engineering, Production Technology and Reservoir Engineering from the point of view of applications and case studies. It is expected to help the attendees in making their technical base very sound and strong. Pre-requisites: Attendees are required to have a basic understanding of physics and mathematics.
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