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Mathias Carlsen

Multiphase RTA in Tight Unconventionals

Mathias Carlsen
4:02 Hours
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Sample Lesson
The Multiphase RTA in Tight Unconventionals course offers an intermediate-level exploration of Rate Transient Analysis (RTA) with a focus on multiphase systems in tight unconventional reservoirs. This practical training emphasizes understanding key production parameters such as productivity and contacted pore volume through the use of advanced techniques including numerical RTA, multiphase flowing material balance, and fractional RTA. The course covers essential reservoir engineering concepts, with a significant focus on PVT properties of fluids and their impact on RTA workflows. Learners will gain insights into reservoir fluid classifications and how these influence well performance and forecasting. The training also highlights the use of real-world data and commercially available software tools to apply these techniques effectively in industry practice.

Who Should Take This Course
• Analysts utilizing RTA for reservoir forecasting
• Engineers involved in well performance evaluation
• Reservoir engineers working with tight unconventionals
• Professionals interested in multiphase production analysis

What You Will Learn
• Practical workflows using real production data
• Fundamentals of multiphase Rate Transient Analysis
• PVT fluid properties and reservoir fluid classification
• Application of numerical RTA and flowing material balance

Why This Course Works
• Optimize well and field development economics
• Enhance understanding of fluid influences on RTA
• Apply advanced, industry-proven analytical techniques
• Improve accuracy in forecasting and drawdown management

1.01 Introduction (9 min.)
1.02 PVT for the first time? (5 min.)
1.03 Reservoir Fluid Classification (12 min.)
1.04 PVT Models – EOS Models (13 min.)
1.05 Black Oil PVT (15 min.)
1.06 In-place Volumes (8 min.)
1.07 Reservoir Fluid Classification – Revisited (5 min.)

2.01 Bottomhole Pressures (7 min.)
2.02 Well Performance 101 (8 min.)

3.01 Multiphase Flowing Material Balance – Theory (12 min.)
3.02 Multiphase Flowing Material Balance – Practice (11 min.)

4.01 RTA (11 min.)
4.02 Analytical RTA (15 min.)
4.03 Numerical RTA (4 min.)
4.04 Numerical RTA – Key Concepts & Theory (22 min.)
4.05 RTA – Analytical vs. Numerical LFPs (5 min.)

5.01 Numerical Model – Reservoir Simulation & Forecasting (15 min.)
5.02 Eagle Ford Workflow Example (12 min.)
5.03 Workflow in Practice (21 min.)
5.04 Sensitivities (3 min.)

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