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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Integrated Reservoir Analysis

The goal of Integrated Reservoir Analysis is for participants to understand the concepts and develop subsurface skills to integrated analysis of rock, pore, and fluids from various sources.  Participants gain an appreciation of working with various scales (micro to mega) to solve problems associated with identifying and exploiting reserves. Concepts gained will allow participants to apply tools for analysis of the underlying uncertainty and assumptions used in many reservoir analysis techniques. A subsurface integration process model is presented which provides a multidiscipline methodology for solving reservoir problems, from facies, petrophysical rock typing, flow unit characterization and an introduction to capillary pressure saturation height modeling.  Throughout the course the participants are encouraged to think about "big picture" volume in-place, static modelling and dynamic reservoir simulation. 

Day 1
  • Introduction, integration work and thought process
  • Rock Types/Flow units and reservoir characterization
  • Applied examples and deliverables
  • Geologic framework, mineralogy, reservoir compartmentalization, formation evaluation
  • Introduction to static and dynamic reservoir simulation
  • Introduction to the conceptual 3-Line log analysis method
  • Applied hands on workshops
Day 2
  • Introduction to reservoir and lithofacies
  • Participant presentation 1 - Facies workshop results
  • Carbonate pore-geometry, thin-section and petrophysical description workshop and presentation 
  • Introduction to Routine Core Analysis
  • Core porosity
  • Workshop - Golfball challenge
  • Overview of well log porosity, total and effective porosity
Day 3
  • Overview of core permeability (absolute, effective, Klinkenburg corrected and relative permeability)
  • Basics of net mean stress
  • Fundamentals of Petrophysical rock types
  • Overview and the concept of practical capillary pressure and applications
  • Workshop - Capillary pressure analysis
  • Saturation distributions from rock types, and capillary pressure data
  • What is Winland (Pittman) pore throat radius and why is it important
  • Workshop - Winland Plots by Facies
  • Workshop - Simple core analysis using Winland based method
Day 4
  • Clastic - Facies and Petrophysical rock types case studies
  • Carbonate - Facies and Petrophysical rock type case studies
  • Capillary pressure and pore geometry, stress and reservoir performance, petrophysical quick scan analysis
  • Permeability, relative permeability and wettability
  • Archie saturation, cementation, and saturation exponent (optional)
  • Workshop - Well evaluation with core and log data
  • Participant presentations of workshop results
Day 5
  • Introduction to saturation height methods (SHM)
  • Wettability and why it is important (optional)
  • SHM case studies both clastic and carbonate
  • Introduce flow unit concept, analysis and workshop
  • Final well analysis workshop - facies, core-log petrophysical rock types, flow units and saturation height model Individual and presentations
Learning activity mix

Geologists, geophysicists, reservoir engineers, production engineers and petrophysicists. This class is ideal for asset teams.

1. Generic integrated workflow process

2. Integration of geology, facies and petrophysical rock types

3. Concept of total and effective porosity

4. The basics of core-log integration

5. Applied capillary pressure, wettability and relative permeability

6. "Water saturation is not an accident......"

7. Upscaling from pore throat radius to petrophysical rock type to flow units

8. Introduction applied capillary pressure and saturation height modeling

9. Why petrophysics is the key to success in a static or dynamic model

10. The relationship between the free-water level, various contacts, pore throat radius, wettability and saturation distribution

Intermediate understanding of geology and petrophysics.

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