Introduction

This Fundamentals of Reservoir Engineering training course introduces reservoir engineering concepts and methods to enable cross-disciplinary exchange of ideas and experience. It provides the required input to help you understand questions crucial to the reservoir engineer: How much oil & gas is there (accumulation)? How much can be recovered (reserves)? How fast can it be recovered (rate)? By the end of this training course, participants will have gained a foundational understanding of reservoir engineering that they can use while moving forward in their training.

Course Objective

:By the end of this training course, you will be able to understand

• Describe a hydrocarbon reservoir and list the fluids found in it.
• Illustrate with diagrams how these fluids are distributed in a hydrocarbon reservoir.
• Describe and explain porosity, permeability and fluid saturations.
• Determine the properties of natural gas, oil and water.
• Explain and define saturated reservoirs, undersaturated reservoirs, bubble point pressure, oil and gas formation volume factors, gas oil ratio.
• Calculate the volume of hydrocarbon in place and recovery factors Derive the general material balance equation, modify it and use it to calculate hydrocarbon in place for gas reservoirs, saturated reservoirs and under saturated reservoirs.
• Use the Havlena and Odeh technique to determine oil in place for saturated reservoirs and under saturated reservoirs.
• Use of well testing data in determining average reservoir pressure, productivity index, permeability, and skin effect.
• Discuss the recovery factors of different drive mechanisms
• Explain the use of fractional flow equations and Immiscible displacement concepts.
• Perform decline curve analysis.

 A highly interactive combination of lecture and discussion sessions will be managed to maximize the amount and quality of information, knowledge and experience transfer. The sessions will start by raising the most relevant questions, and motivate everybody finding the right answers. The attendants will also be encouraged to raise more of their own questions and to share developing the right answers using their own analysis and experience.

Course Outline

 Day 1:

Reservoir and Reservoir Engineering Basics

        Introduction to Reservoir Engineering.
        Reservoir Life Cycle.
        Reservoir Environment and Formation Properties.
        Identification of Contacts.
        Definition of Reservoir Pressure.

Day 2:

 Reservoir Conditions

• Reservoir and Surface Conditions.
• Formation Volume Factor, Viscosity, Solution Gas-oil Ratio, API Gravity, Specific Gravity.
• Estimating Gas, Oil, and Water Properties from Correlations.
• Application of Deviation Factor to Ideal Gas Law.
• Darcy's Law and Fundamentals of Fluid Flow.
• Relative Permeability Concept.