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Über dieses Buch

In this book, the fundamental knowledge involved in petroleum & gas development engineering, such as physical and chemical phenomena, physical processes and the relationship between physical factors is covered. It is arranged into 3 Sections. Section 1 including chapter 1-4 is to introduce the properties of fluids (gases, hydrocarbon liquids, and aqueous solutions). Section II including Chapter 5-7 is to introduce the porous rock properties of reservoir rocks. Section III including Chapter 8-10 is to introduce the mechanism of multiphase fluid flow in porous medium. The book is written primarily to serve professionals working in the petroleum engineering field. It can also be used as reference book for postgraduate and undergraduate students as well for the related oil fields in petroleum geology, oil production engineering, reservoir engineering and enhancing oil recovery.



Physico-Chemical Properties of Reservoir Fluids


Chapter 1. Chemical Composition and Properties of Reservoir Fluids

Petroleum is a mixture of naturally occurring hydrocarbons, which may exist in solid, liquid, or gaseous states depending upon the conditions of reservoir pressure and temperature. Petroleum in liquid or gaseous states is called oil or nature gas separately.
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Chapter 2. Natural Gas Physical Properties Under High Pressure

It is commonly known that natural gas owns compressibility. When subjected to the reservoir pressure and temperature, the natural gas is in compression.
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Chapter 3. Phase State of Reservoir Hydrocarbons and Gas–Liquid Equilibrium

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Chapter 4. Physical Properties of Reservoir Fluids Under Reservoir Conditions

Through the study of the preceding chapters, now we have a rudimentary recognition that the reservoir oil, which is subjected to the underground conditions, usually has a certain amount of natural gas dissolved in it.
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Physical Properties of Reservoir Rocks


Chapter 5. Porosity of Reservoir Porous Medium

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Chapter 6. Permeability of Reservoir Rocks

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Chapter 7. Other Physical Properties of Reservoir Rocks

With the deepening of our discuss about the physical properties of the underground formations, some other characters in addition to the already introduced basic parameters (e.g., the particle-size composition, the surface ratio, the porosity, the compressibility, the saturation, and the permeability) should be involved in this book, so as to present a more overall introduction of the reservoir rocks. Here, the knowledge to be introduced includes the rock electrical conductivity, thermal properties, and radioactivity.
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Mechanics of Multi-Phase Flow in Reservoir Rocks


Chapter 8. Interfacial Phenomena and Wettability of Reservoir Rocks

Established by usage, a property that is caused by the intermolecular forces within a phase is usually called “bulk property,” while a property that is caused by the intermolecular forces at the interface between two phases is called “interfacial property.”
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Chapter 9. Capillary Pressure and Capillary Pressure Curve

Reservoir rocks contain huge amounts of tortuous, rambling, and interconnected pores of all sizes and shapes. So, this complexity rock pore space entails a simplification of it for the study of the multiphase flowing within reservoir rocks. Usually, we simplify the miscellaneous pores and channels into a capillary model, regarding the pore-channels as capillary tubes wherein the internal diameter varies along the tube and the internal wall is coarse. In this chapter, we will deal with capillary pressure characteristics of the multiphase fluids in porous mediums.
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Chapter 10. Multiphase Flow Through Porous Medium and Relative Permeability Curve

In real oil reservoirs, the rocks are usually saturated with two or more fluids, such as oil and water, or oil and water and gas. Taking a water-drive reservoir with a local pressure below the saturation pressure as an example, the three phases in it, oil, gas, and water, flow simultaneously and interfere with each other, generating more than one type of capillary effects that resist the flow.
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