Course Objectives:

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

1. Introduction to Coring and Core Analysis

• Understand the purpose and importance of coring in reservoir characterization.
• Learn the role of core samples in understanding reservoir properties, such as porosity, permeability, and fluid saturations.
• Recognize the differences between conventional core analysis and special core analysis.

2. Core Sampling Techniques and Types of Cores

• Explore various coring techniques used to extract representative core samples (e.g., wireline coring, rotary coring, sidewall coring).
• Learn about core recovery methods and challenges related to preserving core integrity during extraction and transport.
• Differentiate between the different types of core samples: conventional, sidewall, and special cores.

3. Core Preparation and Preservation

• Understand the processes involved in core preparation for analysis, including cleaning, trimming, and plugging.
• Learn about core preservation techniques to maintain sample integrity for laboratory analysis.
• Explore challenges in preserving core samples, especially from high-temperature, high-pressure (HTHP) reservoirs or unconventional reservoirs.

4. Conventional Core Analysis (CCA) Methods

• Understand the key parameters measured during conventional core analysis (e.g., porosity, permeability, capillary pressure, grain density).
• Learn how to interpret core data to assess reservoir quality and fluid flow potential.
• Study the methods for determining fluid saturations, including water saturation and hydrocarbon saturations, from core data.

5. Special Core Analysis (SCAL) Techniques

• Learn the purpose and scope of Special Core Analysis (SCAL) to evaluate more complex reservoir characteristics, particularly for enhanced oil recovery (EOR) projects.
• Understand SCAL methods for measuring relative permeability, capillary pressure, and wettability in more detail.
• Explore specialized tests such as hysteresis, drainage, imbibition, and multiphase flow testing.

6. Capillary Pressure and its Role in Reservoir Characterization

• Study the significance of capillary pressure measurements and their application in estimating fluid distribution in reservoirs.
• Learn how capillary pressure curves are derived from core samples and how they influence reservoir modeling.
• Understand the impact of wettability on capillary pressure and its importance in determining recovery mechanisms.

7. Relative Permeability and Multi-phase Flow

• Understand the concept of relative permeability and its importance in determining the flow capacity of different phases (oil, gas, water) in the reservoir.
• Learn how relative permeability is measured and analyzed for both oil-water and gas-oil systems.
• Explore how to interpret SCAL data to understand the flow behavior of multi-phase fluids in reservoirs.

8. Wettability and Its Impact on Reservoir Performance

• Learn about wettability and how it affects fluid distribution and recovery in the reservoir.
• Understand methods for determining the wettability of core samples (e.g., Amott, USBM, and contact angle methods).
• Study the influence of wettability on relative permeability, capillary pressure, and EOR strategies.

9. Special Core Analysis in Enhanced Oil Recovery (EOR)

• Understand how SCAL data is used to design and optimize EOR methods (e.g., water flooding, gas injection, chemical flooding).
• Learn about the role of SCAL in simulating reservoir behavior under secondary and tertiary recovery processes.
• Explore how core analysis helps in assessing the effectiveness of different EOR techniques.

10. Data Integration and Interpretation for Reservoir Modeling

• Learn how core analysis data (both CCA and SCAL) is integrated into reservoir models to improve accuracy in simulation and forecasting.
• Understand the use of core data in defining rock-fluid interactions and in petrophysical modeling.
• Explore case studies where core analysis played a critical role in successful reservoir management and optimization.

Target Audience

This training is designed for professionals involved in reservoir evaluation, production optimization, and core analysis interpretation. The target audience includes:

• Reservoir Engineers
• Geoscientists
• Petrophysicists

• Core Analysts
• Core Laboratory Technicians
• Specialized Core Testing Personnel

• Production Engineers
• Field Operators
• Wellsite Supervisors

• Enhanced Oil Recovery Engineers
• Chemical EOR Specialists
• Fluid Injection Engineers