Course Information

Duration (hours)   
Instructor(s)Prof. Nikos Varotsis




Introduction to reservoir engineering, fluid pressure regimes, phase behavior, reservoir fluid sampling, porous media, rock-fluid interactions, fluid flow in porous media, well testing, well performance, material balance and natural reservoir drive mechanisms, oil immiscible displacement.




1st Lecture

Hydrocarbon reserves, formation pressure regimes investigation, petroleum fluids compositional characterization, mixing fluids, definitions, petroleum indices.

2nd Lecture

Phase behavior of single components, of 2-component mixtures, of petroleum & natural gas mixtures, phase envelopes, virial equations, deviation factor Z.

3rd Lecture

Ideal gas equation of state, van der Waals EoS, real gas EoS, Katz method for calculating Z-factor, gas formation volume factor, solution gas-to-oil ratio, fluid compressibility factor, oil density & viscosity, oil formation volume factor, total FVF, produced fluids composition recombination.

4th Lecture

Solving the vapor/liquid flash problem, reservoir fluids sampling.

5th Lecture

PVT studies, samples validation, physical recombination, reservoir oils PVT study, gas condensates PVT study.

6th Lecture

Porosity, permeability, downhole reservoir core sampling, core analysis, linear flow of incompressible fluids, fluid flow under slope.

7th Lecture

Fluid flow under slope, radial flow, flow of slightly compressible fluids, real gas potentials, gas flow.

8th Lecture

Wellbore damage, hemispherical flow, flow regimes with time, wettability, capillary pressures, relative permabilities.

9th Lecture

Capillary pressures application, phases distribution in the formation, diffusivity equation, transient, pseudo-transient and stabilized flow periods.

10th Lecture

Stabilized flow equations, transient flow equation, shape factor, transient flow equations, well inflow performance, IPR & VLP curves.

11th Lecture

Real gas flow equations, stabilized inflow equations, transient flow equations, well testing, hardware, introduction to well test interpretation.

12th Lecture

WTI fundamentals, straight line specialized plots, Horner & superposition plots, skin factor calculation.

13th  Lecture

Modern WTI methods, dimensionless variables, type curve analysis, pressure derivative analysis.

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Petroleum Engineering postgraduate program of the Technical University of Crete is a one-year, full-time program, designed to provide students with a scientific background in hydrocarbon exploration and skills in the practical aspects of petroleum engineering. The program begins in October, and leads to a Master of Science (MSc) degree. The program is run by the School of Mineral Resources Engineering.