A Practitioner’s Guide to Well Test Design and Interpretation Course

Dylan Lougheed

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Understanding well potential and reservoir characteristics is critical for making field development and investment decisions. Advances in production measuring technology and production data analysis have allowed well performance to be characterized without testing. However, there remain some critical questions where only a well test can provide the answer.
In its simplest form, a well test involves controlling the conditions of a well and analyzing the data to answer one or more questions about the well and the reservoir.
In this course you will learn to understand why we test, what can be learned from a well test, and how to analyze well test data to characterize well deliverability (or injectivity), average reservoir pressure, permeability, completion effectiveness, damage, interference, reservoir size and other elements utilized in the field development process.
This course is taught in an active-learning style with interactive exercises embedded throughout the lesson material.Read more...

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Course contents

    Chapter 1 - Introduction

    1.01 Introduction

    1.02 Why Test?

    1.03 Why Does it Work?

    Chapter 2 - Well Test Fundamentals

    2.01 Pressure Transient Analysis

    2.02 Flow Regimes

    2.03 Flow Regime Diagnostics

    2.04 Data Preparation

    2.05 Drawdown vs Buildup

    2.06 Modeling

    2.07 Critical Assumptions and Implications

    Chapter 3 - Wellbore Effects

    3.01 Wellbore Effects

    3.02 Common Challenges & Practical Considerations

    3.03 Louis' Golden Rules

    Chapter 4 - Deliverability Testing

    4.01 Deliverability Testing

    4.02 Modified Isochronal Test Example

    4.03 Tight and Shale IPR Generation

    Chapter 5 - Injection Fall-off Tests

    5.01 Injection

    5.02 CO₂ Injection Tests

    5.03 CO₂ Multi-Rate Test

    Chapter 6 - Interference Testing

    6.01 Interference Testing

    6.02 Interference Test Design

    6.03 Shale/Tight Interference Testing