Course Objectives:

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

1. Introduction to Pressure Transient Analysis (PTA)

• Understand the principles of pressure transient analysis (PTA) and its application in reservoir evaluation.
• Gain familiarity with how KAPPA (a widely-used software suite for pressure transient and well test analysis) is employed for pressure transient data interpretation.
• Learn the basics of interpreting pressure responses to estimate key reservoir properties, including permeability, skin factor, and reservoir boundaries.

2. Overview of KAPPA Software

• Get an in-depth understanding of the KAPPA software suite, which includes tools like Saphir for pressure transient analysis, Topaze for rate-transient analysis, and Peacoc for well test data management.
• Learn how KAPPA’s intuitive interface helps analyze, model, and interpret pressure transient data effectively for well testing, reservoir characterization, and field management.
• Understand the specific advantages of using KAPPA over other PTA software, such as advanced models for complex reservoirs, extensive diagnostic tools, and flexibility in data handling.

3. Understanding Pressure Transient Test Data

• Learn about various well testing methods for obtaining pressure transient data, such as drawdown tests, build-up tests, fall-off tests, and interference tests.
• Understand the principles behind pressure transient curves, the different flow regimes observed (e.g., radial flow, boundary-dominated flow, linear flow), and how these reflect reservoir characteristics.
• Study the data acquisition process, including sensor placement, test design, and measurement accuracy to ensure high-quality data input into KAPPA.

4. Data Input and Management in KAPPA

• Learn how to import, organize, and manage pressure test data within the KAPPA software suite.
• Understand the process of data quality control and pre-processing in KAPPA, ensuring that the data used for analysis is accurate and reliable.
• Study how to filter and normalize data for consistent analysis, including removing noise, handling irregularities, and ensuring correct units for input into the software.

5. Pressure Transient Analysis with KAPPA

• Explore KAPPA’s built-in models for interpreting pressure transient data:
• The Theis model and its application in conventional reservoirs.
• Gragh model and other advanced techniques for analyzing complex reservoir types.
• Dual-porosity and fractured reservoirs models to handle non-homogeneous flow systems.
• Learn how to apply the Horner method, type-curve matching, and semi-log and log-log plots in KAPPA for different flow regimes.
• Understand how to use pressure derivative analysis within KAPPA to diagnose flow regimes, determine permeability, and assess reservoir boundaries.

6. Wellbore Effects and Skin Factor

• Learn how KAPPA helps assess and account for wellbore effects, such as wellbore storage, skin factor, and wellbore damage, in pressure transient analysis.
• Understand how to correct pressure data for wellbore storage effects and evaluate the impact of the skin factor on well productivity.
• Study the process of modeling wellbore damage, formation damage, and well stimulation in KAPPA to get more accurate reservoir parameters.

7. Advanced Reservoir Characterization Techniques

• Learn how to use KAPPA to perform advanced reservoir characterization, including:
• Estimation of reservoir permeability and porosity from pressure transient data.
• Identification of reservoir heterogeneity, such as fracture networks and faults, through advanced modeling techniques.
• Using multirate testing and history matching to improve model accuracy and predict reservoir performance.
• Understand how to estimate reservoir size, fluid properties (compressibility, viscosity), and boundary effects using KAPPA’s specialized tools.

8. KAPPA’s Multi-rate and Multi-well Testing

• Learn about multirate testing and its use in field surveillance to assess well performance over time.
• Study how KAPPA can be used to handle multi-well test data, such as interference testing and pressure communication analysis, to evaluate reservoir connectivity and estimate reservoir properties.
• Understand how interference testing (between wells) can provide valuable insights into reservoir continuity and flow behavior in adjacent wells.

9. History Matching and Model Calibration

• Study the concept of history matching, where real production data is compared with simulated reservoir models.
• Learn how to calibrate and refine models in KAPPA using historical pressure transient data for more accurate forecasting and production optimization.
• Understand the use of reservoir simulation tools within KAPPA for integrating well test data with dynamic reservoir models and improving long-term production strategies.

10. Uncertainty Analysis and Sensitivity Studies in KAPPA

• Learn about uncertainty quantification and how to apply it in KAPPA to assess model reliability and the variability of reservoir parameters.
• Study sensitivity analysis techniques in KAPPA to determine the impact of input parameters on reservoir predictions and performance optimization.
• Understand how to incorporate error bars, statistical methods, and probabilistic models to account for uncertainties in pressure transient data.

11. Case Studies: Pressure Transient Analysis with KAPPA

• Analyze real-world case studies that demonstrate how KAPPA has been used successfully for pressure transient analysis in various types of reservoirs.
• Discuss lessons learned and how KAPPA’s tools were used to solve specific reservoir challenges such as low permeability reservoirs, fractured systems, and EOR projects.
• Study production optimization and field development planning using KAPPA to improve decision-making and economic outcomes.

12. KAPPA Integration with Other Tools

• Understand how KAPPA integrates with other software tools for reservoir management and simulation.
• Learn about the data exchange capabilities between KAPPA and other modeling and simulation platforms (e.g., ECLIPSE, CMG, Petrel) for comprehensive reservoir management.

Target Audience

This course is tailored for professionals involved in well testing, reservoir evaluation, and pressure transient analysis. The target audience includes:

• Reservoir Engineers
• Production Engineers
• Well Test Engineers
• Geologists and Geophysicists
• Reservoir Simulation Specialists
• Asset Managers
• Consultants in Well Testing and Reservoir Evaluation
• Data Analysts and Reservoir Engineers