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Fundamentals of Integrated Reservoir Analysis - 2020-30H - RILS

This is a remote delivery of Fundamentals of Integrated Reservoir Analysis, it can be presented in either public or closed formats.  For closed classes the agenda can be customized to fit the client needs.

The course is focused reservoir petrophysics and discusses core-log integration, pore-geometry, petrophysical rock types analysis, applied capillary pressure, applied flow units and saturation height modeling.

This course consist of 10 three hour sessions for a total of 30 hours. Participants complete approximately 10 hours of applied workshops using Excel.

The goals of Fundamentals 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 integrated 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. The course is intended for particiants that are using petrophysical data to build reserervoir static models. 

Day 1

    Module 1 - Course Introduction - Approximate Length - 3 hours

    • Pre course technical assessment
    • Introduction, integration workflow (Stages)
    • Discuss integration examples and set deliverables
    • Geologic framework, mineralogy and reservoir compartmentalization
    • Complete Well 1 and Well 2 - Visual Log Analysis Exercises
    • Review Key Learnings

      Day 2

      Module 2 - Integration from "cells" to Core-Log Integration - Approximation Length - 3 hours

      • Introduction to "PetroMan" (static and dynamic reservoir simulation)

      • Introduction to the conceptual 3-Line log analysis method

      • Applied hands on workshops

      • Discuss Basic Hydrocarbon identification methods
      • Discuss how petrophysics is the key to model "grid properties"
      • Participants complete a 3-Line workshop
      • Review Key Learnings

      Day 3

        Module 3 - Core-Log Integration and an Overview of Routine Core Analysis - Approximate Length 3 - hours

        • An introduction to the core-log integration process
        • An overview of routine core analysis preparation (Bulk Volume, Grain Volume and Pore Volume)
        • Porosity concept workshop (golf ball and football)
        • RCA overview of Boyles Law based porosity
        • Porosity Workshop - Determine porosity using Excel
        • Review Key Learnings

          Day 4

            Module 4 - Routine Core Analysis - Permeability (Approximate Length 1/2-hour)

            Module 5 - Total & Effective Porosity - (Approximate Length 1/2-hour)

            Module 6 - Fundamentals of Petrophysical rock types (2 hours)

            • Overview and the concept of practical capillary pressure and applications
            • Overview of the 2014 Winland Paper
            • Workshops - Compute Winland R35, Compute Ka from Pore Throat Radius and PHI
            • 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 5

                Module 7 - Permeability Determination and Prediction - (approximate length 1.5 hrs)

                • Well log based methods
                • Multi-Linear Regression

                Module 8- Applied Workshops - (approximate length 1.5 hrs)

                • Petrophysical Rock Type Workshop - Determine the number of PRTS 
                • Net Mean Stress Workshop (Excel)
                • Review Key Learnings

                  Module 9 - Petrophysical Rock Types & Applied Capillary Pressure - Approximate length (3 hours)

                  • Drainage and Imibibition capillary cycles
                  • Overview of wettability
                  • Workshop - Excel workshop to Determine Petrophysical Rock Types
                  • Review Key Learnings

                  Module 10 - Overview of Sw and Log Based Sw Methods -  (3 hours)

                  • Overview of Archie and other common Sw methods
                  • Overview of Pickett Plots
                  • Overview of Archie and Dual Water Models
                  • Applied Sw workshop
                  • Review Key Learnings

                  Module 11 - Applied Flow Units - (approximate length 3 hours)

                  • Discuss Normalized Stratified Modified Lorenz Plots
                  • Discuss Normalized Class Lorenz Plots
                  • Discuss Multi-Component Plots
                  • Applied Petrophysical Rock Types and Flow Unit Excel Workshop  
                  • Review Key Learnings 

                  Module 12  - Introduction to Capillary Pressure Saturation Height Modeling - Approximate length (3 hours)

                  • What is a SHM
                  • SHM case study from Mexico (2015 SPWLA Paper)
                  • Discuss HAFW and complete an example workshop using Excel
                  • Complete a "conceptual" SHM using 3 Pc Curves with Excel and Find the FWL
                  • Review Key Learnings

                  Module 13 - WS151 - Final Well Evaluation Workshop (2 hours)

                  • Participants complete WS151 - determine PRT, SHM, Find the FWL and Interpret Flow Units using Excel
                  • Review key learnings
                  • Complete post course technical assessment
                  • Course Wrap-Up and Evaluations

                  Learning activity mix

                  Any technical person that works on using petrophysical data for model building.

                  1. Overall workflow

                  2. Quick overview of log analysis and routine core analysis

                  3. Introduction to Applied Capillary Pressure - Fluid Contacts, Swir, Swc and pore geometry

                  4. Height Above Free Water, Primary drainage and imibibition capillary pressure and high pressure mercury injection.

                  5. Introduction to Saturation Height Modeling 

                  6. Optional Topics Include - Advanced flow units or Relative Permeability. 

                  Participants need to have experience working on an integrated subsurface team.

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