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Unconventional Reservoir Rate-Transient Analysis - 1st Edition - ISBN: 9780128095836

Unconventional Reservoir Rate-Transient Analysis

1st Edition

Volume 1: Fundamentals, Analysis Methods and Workflow

Author: Clarkson C.R.
Paperback ISBN: 9780128095836
Imprint: Gulf Professional Publishing
Published Date: 1st April 2021
Page Count: 400
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Rate-transient analysis (RTA) is now one of the most important methods for reservoir and hydraulic fracture characterization used in the petroleum industry for unconventional gas and light oil reservoirs. RTA is also used as the basis for generating a production forecast. However, RTA is based primarily on analytical models that were developed for conventional reservoirs with many simplifying assumptions that often don’t apply to unconventional reservoirs. Unconventional Gas and Light Oil Reservoir Rate-Transient Analysis: Volume 1 - Fundamentals delivers a critical knowledge gap to help practicing reservoir and production engineers understand the unique differences in rate-transient analysis for today’s unconventional reservoirs. Starting with the fundamentals, engineers first understand the basic flow regimes and analysis methods along with the unique reservoir properties of unconventional assets. Then, the chapters progress to more advanced topics such as how to modify and apply RTA methods for each instance of shale oil/gas, coalbed methane, and tight shale oil/gas along with transforming these modified methods into higher quality production forecasting, with emphasis on analytical and semi-analytical methods. Supported by many real-world field examples covering both hydraulic fracturing and unconventional reservoirs to learn from with questions and answers to practice, Unconventional Gas and Light Oil Reservoir Rate-Transient Analysis: Volume 1 - Fundamentals supplies today’s petroleum engineers with a more intelligent approach to today’s more complex reservoirs.

Key Features

  • Improve reservoir flow-rate workflows specific to unconventional oil and gas reservoirs as well as complex hydraulic fracturing projects
  • Authored by leading researcher and expert in unconventional reservoir RTA
  • Generate stronger production forecasts with guidelines and field examples on how to deal with data uncertainties, poor data quality, and operational upsets


Petroleum engineers; Production engineers; Reservoir engineers; Graduate-level petroleum engineering students

Table of Contents

1. Rate Transient Analysis as a Component of Field Development Optimization
2. Introduction to the concept of RTA and the RTA Workflow
3. Flow Regime Identification
4. Straight-line (Flow-Regime) Analysis Methods
5. Type-Curve Analysis Methods
6. Unique Reservoir Properties of Unconventional Reservoirs
7. Modification of RTA Methods for Unconventional Reservoir Properties-Part I: Coalbed Methane
8. Modification of RTA Methods for Unconventional Reservoir Properties-Part II: Shale Gas Reservoirs
9. Modification of RTA Methods for Unconventional Reservoir Properties-Part III: Tight and Shale Gas Condensate/Oil Reservoirs
10. Forecasting Methods
11. Application of RTA Workflow: Field Examples
12. Special Application of RTA: Flowback Data Analysis for Hydraulic Fracture Properties


No. of pages:
© Gulf Professional Publishing 2021
1st April 2021
Gulf Professional Publishing
Paperback ISBN:

About the Author

Clarkson C.R.

Chris Clarkson is currently Professor and AITF Shell/Encana Chair at the Department of Geoscience Adjunct Professor with the Department of Chemical and Petroleum Engineering, both at the University of Calgary. He earned his PhD in Geological Engineering from the University of British Columbia, and he was an SPE Distinguished Lecturer in 2009-2010. He has authored multiple scientific and engineering papers, and he is Associate Editor for the Journal of Canadian Petroleum Technology. He received the Rossiter W. Raymond Memorial Award from AIME and the Alfred Noble Prize from ASCE in 2003.

Affiliations and Expertise

Professor and AITF Shell/Encana Chair in Unconventional Gas and Light Oil Research, University of Calgary, Canada

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