Course Details

Objective

By the end of this course, participants will be able to:

1. Understand Core Sampling Techniques: Gain a solid understanding of coring operations, including techniques for retrieving and preserving core samples.
2. Perform Standard Core Analysis (SCAL): Learn how to perform routine core analysis to measure key reservoir properties such as porosity, permeability, and fluid saturation.
3. Conduct Special Core Analysis (SCAL): Acquire the knowledge and skills to perform advanced core analysis techniques, including relative permeability, residual oil saturation, and fluid flow modeling.
4. Integrate Core Data with Reservoir Models: Understand how to integrate core data with other reservoir characterization tools to create accurate models for production optimization and reserve estimation.
5. Solve Common Core Analysis Challenges: Identify common issues in core sampling and analysis, and apply solutions to ensure accurate and reliable results.
6. Understand Future Trends in Core Analysis: Stay informed about the latest technologies and trends in coring and core analysis for better decision-making and reservoir management.

Content

COURSE PROGRAM:

Day 1: Introduction to Coring and Core Analysis

• Overview of Coring and Core Analysis
  • Importance of core sampling in reservoir characterization.
  • Types of core samples: whole core, sidewall core, and mini cores.
  • Application of core analysis in reservoir modeling, production forecasting, and fluid management.
• Coring Operations and Techniques
  • Overview of coring methods: wireline coring, drilling coring, and rotary coring.
  • Core retrieval equipment: tools, techniques, and technologies used in coring operations.
  • Challenges in coring operations: wellbore conditions, core damage, and recovery issues.
• Core Preservation and Handling
  • Proper handling and preservation of core samples to minimize damage.
  • Procedures for transporting and storing cores for laboratory analysis.
  • Maintaining the integrity of core samples for accurate test results.

Day 2: Standard Core Analysis

• Core Analysis Techniques
  • Routine core analysis: porosity, permeability, fluid saturation, and capillary pressure.
  • Measurement techniques for assessing rock properties: mercury injection, gas adsorption, and imaging methods.
  • Determining rock-fluid interactions and their significance for reservoir behavior.
• Porosity and Permeability Measurements
  • Methods for measuring porosity and permeability in the laboratory.
  • The relationship between core porosity, permeability, and reservoir performance.
  • Core analysis as an essential input for reservoir simulation models.
• Fluid Saturation and Capillary Pressure
  • Measurement of fluid saturations (oil, water, gas) in core samples.
  • Capillary pressure and its role in understanding fluid distribution in porous media.
  • Techniques for measuring capillary pressure and applying the data to reservoir management.

Day 3: Special Core Analysis (SCAL)

• Overview of Special Core Analysis (SCAL)
  • The need for special core analysis in complex reservoir conditions.
  • Key focus areas in SCAL: relative permeability, residual oil saturation, and fluid flow behavior.
  • Differences between standard and special core analysis.
• Key SCAL Techniques
  • Relative Permeability Measurement: techniques and applications for determining the flow of oil, water, and gas in the reservoir.
  • Residual Oil Saturation (ROS): methods for measuring residual oil in depleted reservoirs.
  • Advanced Fluid Flow Studies: using core analysis to model multi-phase flow and simulate EOR techniques.
• PVT (Pressure-Volume-Temperature) Analysis in Core Studies
  • Correlating core data with PVT data for accurate reservoir simulation.
  • How SCAL supports enhanced oil recovery (EOR) strategies such as water flooding, gas injection, and CO2 injection.

Day 4: Core Data Interpretation and Integration with Reservoir Models

• Integrating Core Data with Reservoir Characterization
  • The role of core data in constructing accurate reservoir models.
  • Using core data for porosity and permeability mapping, petrophysical analysis, and reservoir simulation.
  • The importance of core analysis in understanding heterogeneity and reservoir compartments.
• Data Integration and Validation
  • Combining core analysis with well log data, seismic data, and production data.
  • Validating core data against production and well test results.
  • The process of calibrating reservoir simulation models with core-derived properties.
• Core Analysis in Complex Reservoirs
  • Applying core data to unconventional reservoirs, tight gas, shale, and fractured reservoirs.
  • Challenges of interpreting core data in low-permeability and heterogeneous reservoirs.
  • Case studies on applying core analysis in unconventional oil and gas reservoirs.

Day 5: Case Studies, Challenges, and Future Trends in Core Analysis

• Real-life Case Studies
  • Case study analysis of core analysis applications in field development and reservoir management.
  • How core analysis influenced decision-making in EOR, drilling, and production optimization.
  • Lessons learned from challenging core analysis projects and their outcomes.
• Challenges in Core Sampling and Analysis
  • Issues with core recovery and quality control during coring operations.
  • Minimizing core damage and its impact on analysis results.
  • Overcoming challenges in special core analysis techniques, such as permeability measurement in unconventional reservoirs.
• Future Trends and Technologies in Core Analysis
  • Advancements in coring and core analysis technologies: digital core imaging, non-destructive testing, and high-resolution scanning.
  • Role of AI, machine learning, and automation in improving core analysis workflows.
  • Emerging trends in core analysis for complex reservoirs: integrated workflow and digital twin technologies.

NOTE:

Pre-& Post Tests will be conducted.

Case Studies, Group Exercises, Group Discussions, Last Day reviews, and assessments will be carried out.

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Methodology

A highly interactive combination of lectures and discussion sessions will be managed to maximize the amount and quality of information and knowledge transfer. The sessions will start by raising the most relevant questions and motivating everybody to find the right answers. You will also be encouraged to raise your own questions and to share in the development of the right answers using your own analysis and experiences.  Tests of multiple-choice type will be made available on daily basis to examine the effectiveness of delivering the course.

Very useful Course Materials will be given.

• 30% Lectures
• 30% Workshops and work presentation
• 20% Group Work& Practical Exercises
• 20% Videos& General Discussions