Course Details

Objective

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

1. Understand the Fundamentals of PVT: Gain a solid grasp of pressure, volume, and temperature relationships and their impact on fluid behavior.
2. Perform PVT Laboratory Testing: Gain practical knowledge of laboratory testing methods and the equipment used to measure fluid properties.
3. Interpret PVT Data: Learn how to interpret laboratory test results, understand the behavior of reservoir fluids, and apply them in real-world reservoir engineering scenarios.
4. Apply EOS Modeling Techniques: Use Equation of State (EOS) models to simulate and predict fluid behavior and phase transitions under different reservoir conditions.
5. Integrate PVT Data into Reservoir Management: Use PVT data to characterize reservoir fluids, estimate reserves, and optimize production and EOR techniques.
6. Solve Common PVT Challenges: Address common challenges in PVT analysis and apply best practices to ensure accurate and reliable results.

Content

COURSE PROGRAM:

Day 1: Introduction to PVT and Fluid Properties

• Overview of PVT Analysis
  • Importance of PVT data in reservoir engineering, production optimization, and well performance.
  • Role of PVT analysis in estimating reservoir performance and reserves.
  • Key fluid properties: density, viscosity, compressibility, and phase behavior.
• Fluid Types and Characteristics
  • Gas, oil, and water phases in reservoirs: single-phase and multiphase systems.
  • Behavior of natural gas and crude oil under varying pressure and temperature conditions.
  • Distinction between black oil and gas condensates in PVT studies.
• Fluid Sampling
  • Proper techniques for fluid sampling from reservoirs.
  • Challenges and best practices in obtaining accurate fluid samples from wells.
  • Importance of maintaining representative fluid samples for laboratory analysis.

Day 2: PVT Laboratory Techniques and Testing

• Standard PVT Laboratory Tests
  • Common tests: bubble point pressure, dew point pressure, formation volume factor (FVF), oil and gas shrinkage, and gas-oil ratio (GOR).
  • Conducting phase behavior tests (constant volume depletion and differential liberation).
  • Measurement of fluid properties at various temperatures and pressures.
• PVT Test Equipment and Procedures
  • Overview of laboratory equipment used for PVT testing (high-pressure cells, separators, etc.).
  • Step-by-step explanation of laboratory procedures for obtaining accurate PVT data.
  • Calibration, quality control, and troubleshooting in the PVT laboratory.
• Data Interpretation and Quality Assurance
  • How to interpret PVT test results and ensure accuracy.
  • Understanding the limitations and sources of error in PVT laboratory data.
  • Calibration procedures for ensuring reliable results.

Day 3: Equation of State (EOS) Modeling and Phase Behavior

• Introduction to EOS
  • Basics of EOS in reservoir engineering.
  • How EOS models are used to simulate phase behavior and predict reservoir fluid properties.
  • Commonly used EOS models: Peng-Robinson, Soave Redlich-Kwong, and others.
• Phase Behavior of Reservoir Fluids
  • How pressure and temperature affect the phase behavior of oil, gas, and water mixtures.
  • Identifying and analyzing phase transitions (e.g., bubble point, dew point, and critical point).
  • Phase envelope analysis and its significance for reservoir engineering.
• Applications of EOS in PVT Analysis
  • Use of EOS for gas condensate reservoirs, black oil systems, and volatile oil reservoirs.
  • How to apply EOS models to predict fluid behavior under different reservoir conditions.
  • Tuning EOS models with experimental data for accurate predictions.

Day 4: PVT Data in Reservoir Engineering Applications

• Reservoir Fluid Characterization
  • Using PVT data to characterize reservoir fluids and determine properties like FVF, GOR, and oil shrinkage.
  • Estimating reserves using PVT data: volumetric calculations, material balance, and recovery factors.
  • Integrating PVT data with pressure transient analysis and well testing.
• Enhanced Oil Recovery (EOR) Applications
  • How PVT data supports EOR strategies such as gas injection, water flooding, and chemical injection.
  • Role of PVT in simulating and optimizing EOR processes.
  • Application of PVT data in modeling the performance of gas reservoirs under CO2 or nitrogen injection.
• Production Optimization
  • Using PVT data to optimize production systems and flow assurance.
  • Impact of gas-oil ratio (GOR) and fluid properties on wellbore behavior.
  • Effect of temperature and pressure changes on production performance and fluid handling.

Day 5: Case Studies, Challenges, and Future Trends

• Case Studies in PVT Applications
  • Real-life examples of PVT analysis and its role in reservoir management, production forecasting, and well optimization.
  • Analysis of successful applications in gas and oil reservoirs, highlighting challenges faced and solutions implemented.
  • Case studies involving the use of PVT in unconventional reservoirs such as shale and tight gas.
• Challenges in PVT Analysis
  • Dealing with unconventional fluid behavior, such as in heavy oil, high-CO2 systems, and gas condensates.
  • Managing variations in PVT data across different reservoirs and fluid types.
  • Overcoming sampling and testing challenges in field conditions.
• Emerging Trends and Future of PVT Analysis
  • Advancements in PVT testing technology and laboratory techniques.
  • Role of artificial intelligence (AI) and machine learning in predicting fluid behavior and optimizing reservoir management.
  • Emerging trends in real-time PVT data acquisition 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.

………………………………………………………….

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