Principles of Reservoir Engineering  HeriotWatt University Program
To produce an understanding of the principles and basic practice of reservoir engineering.
This course forms part of the HeriotWatt MSc Petroleum Engineering. Classes may be attended by individuals who seek to understand better the subject but who are not registered for the degree course.
 Agenda
 Audience
 Prerequisites

Agenda
Day 1
 Introduction to reservoir engineering
 Role of reservoir engineer in E&P Interaction with other petroleum engineering disciplines
 Definition of reservoir pressure
 Determination of pressure gradients
 Identification of contacts
 Effect of capillary pressure on contact
 Areal variation in reservoir pressure
 Definitions of reservoir porosity, permeability, capillary pressure
 Review of core analysis methods to determine rock properties
 Effect of stress on properties
 Interaction of rock and fluids  relative permeability effects
 Measurement of relative permeability
 Correlation of permeability measurements  laboratory and welltest
 Effect of vertical variations in permeability on gas/water/oil saturation
Day 2
 Composition of reservoir fluids
 Molecular basis for variation in hydrocarbon content of a reservoir
 Examination of the fluid physical changes in the reservoir during production
 Variations in number and saturation of each hydrocarbon phase
 Physical and mechanical properties of reservoir hydrocarbons
 Measurement of properties
 Determination of state parameters for each phase
 Introduction to fluid flow in the reservoir
 Estimation of average pressure
 Development of diffusivity equation
 Application of diffusivity equation to steady state, semisteady state and unsteady state flow
 Applications of line source solution to determine reservoir pressure
Day 3
 Extension of line source solution to well testing
 Overview of well testing techniques Use of well testing in determining average reservoir pressure, productivity index, permeability
 Use of Horner equation
 Understanding reservoir energy  drive mechanisms: water drive, gas cap drive, solution gas drive, gravity segregation Vapor liquid equilibrium
 Effect of composition on equilibrium
 Variation with temperature
 Application of deviation factor to ideal gas law
 Downhole and surface fluid sampling
 Measurement of PVT parameters
 Presentation of data to produce formation volume factors, gas oil ratios, compressibilities
Day 4
 Concept of reservoir as a single tank
 Definition of material balance equation for combination drive reservoir
 Limitations on use of material balance equation
 Determination of most effective drive mechanism
 Examination of water influx
 Use of fractional flow equations
 Concept of transient and instantaneous pressure changes at oil water contact; immiscible displacement concepts
 Calculation of recovery from reservoir
 Effect of heterogeneity on recovery processes
 Role of geological characterization in improving reservoir flow models
 Differences in depositional sequences and the effects on fluid distributions
Day 5
 Calculation of immiscible displacement floods
 Concept of reservoir simulation
 Application of approximate solution to diffusivity equation to overcome restrictions in simple analytical models
 Nature of gridding process
 Assignment of fluid and rock properties within the reservoir

Audience
Wide range of technical personnel and those starting in reservoir engineering

Prerequisites
It presumes no basic knowledge of the subject and lays emphasis on the fundamental concepts

Prerequisites