Applied Core Analysis - Routine and SCAL - How to Interpret Core Data - RILS

Module 1 - Approximately 2 hours (Example Agenda)

Course Introduction

• Complete a technical assessment
• Objectives of core analysis and coring methods
• Preliminary characterization
• Review Key Learnings

In Module 1 participants will go over the objectives for the course and be given a general introduction. 

Module 2 - Approximately 2 hours

Core Analysis Workflow for Reservoir Charcteriztion

• Geologic Applications of Core Analysis
• Lithology, Pore Geometry and Practical Thin Section Analysis
• Fundamentals of Core-Log Integration
• Review Key Learnings

Preliminary characterizations, including basics of core and log integration, and thin section petropgrahy will also be covered

Module 3 - Why SCAL Is Important for Model Building (Approximately 2 hours)

• Key steps in subsurface integration
• Core-Log Integration (what is the ground true....?)
• Facies, Petrophysical Rock Types and Lithology
• Properties of Simulation Grid Block and PETROman 
• Review Key Learnings

Module 4 - Routine Core Analysis - Overview (Approximately 2 hours)

• Core Preparation, RP40 and Rock Measurement
• Bulk Volume, Pore Volume, Grain Volume and Total Porosity
• Example Lab Videos (Vb, Vgr and Vp)
• Applied RCA Workshop
• Review Key Learnings

Module 5 - Absolute Permeability - Routine Core Analysis - Approximately 1.5 hours

• Overview of Darcy's Law
• Core plug selection (Sample quality control issues)
• Basic measurement
• Videos and Applied Workshop
• Review key learning points

Module 6 - Total and Effective Porosity,  Applied RCA Workshops and Introduction to Basic Core-Log Integration - Approximately 1.5 hours

• What is the difference between total and effective porosity from a core standpoint
• Introduction to Core/Log Integration
• Depth Shift Workshop
• Basic Porosity - Permeability Workshop
• Review key learning points

Module 6A - Invasion and Core Saturation from Bottom Hole to Surface  - Approximately 1 hours

• What is the difference between total and effective porosity from a core standpoint

Module 7 - Introduction to Capillary Pressure and Pore Throat Radius- Approximately 2 hours

• Washburn's Equation also known as Laplace's equation
• Define "Drainage Cycle and Imibibition Cycle"
• Capillary rise basic calculation
• Capillary rise and pore throat radius size
• Interactive workshops
• Review Key Learnings

Module 8 - Applied Pc-HAFW-Sw-Distribution - Approximately 2 hours

• Define what is displacement pressure and how it related to pore throat size
• Simple animation of fluid contacts and reservoir quality
• Interactive fluid contact & capillary pressure workshop
• Review key technical paper
• Examples and Case Studies
• Review Key Learnings
  

Module 9  - Capillary Pressure Workshops - Approximately 2 hours

• HAFW Excel - Workshop
• Review key Technical Capillary Pressure Technical Paper 
• Review Key Learnings

Module 10  - Introduce the Concept of Saturation Height Modeling Using Capillary Pressure and Petrophysical Rock Types - Approximately 2 hours

• Define a saturation height model using 3 rock qualities
• Discuss data requirements
• Complete conceptual exercise with 3 PRTS by "hand" compare Pc-Sw to Well Log Sw
• Review Key Learnings

Module 11  - SHM Workshop 3 and Bi-directional Capillary Pressure - Approximately 2 hours

• Complete SHM Exercise 3 - Find the Free Water Level
• Discuss capillary cycles drainage and imibibition 
• Introduce wettability
• Review Key Learnings

Module 12  - High Pressure Mercury Injection Porosimetry and Pore Geometry - Approximately 2 hours

• Review the concept of displacement pressure and entrance pressure
• Show lab videos of HPMI test
• Complete Excel workshop converting lab mercury data to pore throat radius and height above free water
• Review Key Learnings
  

Module 13 - SCAL HPMI Workshops - Approximately 2 hours 

• Pore throat radius workshop
• Displacement Pressure (corrected value)
• Entry Pressure (lab observed)
• Convert Mercury Pc to Equivalent Reservoir Pc
• Convert Reservoir Pc to HAFW

Module 14 - Introduce Basic Petrophysical Rock Typing and Why It is Important (Part 1) - Approximately 2 hours 

• Why petrophysical rock typing is important and how it is used in models
• Introduce Winland style PRT methods and complete basic calculations
• Discuss 2015 Mexico PRT Case Study
• Show relationships between Pore Throat Radius, Sw and PRTs
• Discuss Key Learning Objectives 
  

Module 15 - Deterministic PRT Analysis - Part 2  - Approximately 2 hours 

• Introduce simple methods to estimate pore throat radius cutoffs
• Complete Single Well PRT Excel Workshop - with vertical line cutoffs
• Complete Single Well PRT Excel Workshop - with CDF or Probability cutoffs
• Review 2018 SPE paper results
• Discuss Key Learning Objectives 

Module 16 - SCAL - Electrical Rock Properties and Carbonate Pore Geometry Workshop - Approximately 2 hours 

• Introduce SCAL Electrical Rock Properties (what is m and n)
• Participants complete an Excel ERP Workshop
• Participants complete a carbonate pore geometry workshop
• Participants will present their workshop results
• Discuss Key Learning Objectives 
  

Module 17 - Introduce the concept of Relative Permeability - Approximately 2 hours 

• What is relative permeability and why is it important
• What are steady state and unsteady state measurements
• What data is needed to model reservoir performance for "reservoir management"
• Discuss Key Learning Objectives 

Module 18 - Final Well Review Workshop - Approximately 2 hours 

• Comprehensive final workshop
• Participants will present their final results
• Discuss Key Learning Objectives 

Final Well Analysis Technical Assessment  - Approximately 1 hr

Module 19  - Wettability & Course Wrap Up - Approximately 2 hour

• Review all key learnings
  
• Participants complete final assessment
• Participants complete course evaluation