Geothermal Well Test Analysis

Geothermal Well Test Analysis

Fundamentals, Applications and Advanced Techniques

1st Edition - April 30, 2019

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  • Authors: Sadiq Zarrouk, Katie McLean
  • eBook ISBN: 9780128149478
  • Hardcover ISBN: 9780128192665

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Geothermal Well Test Analysis: Fundamentals, Applications and Advanced Techniques provides a comprehensive review of the geothermal pressure transient analysis methodology and its similarities and differences with petroleum and groundwater well test analysis. Also discussed are the different tests undertaken in geothermal wells during completion testing, output/production testing, and the interpretation of data. In addition, the book focuses on pressure transient analysis by numerical simulation and inverse methods, also covering the familiar pressure derivative plot. Finally, non-standard geothermal pressure transient behaviors are analyzed and interpreted by numerical techniques for cases beyond the limit of existing analytical techniques.

Key Features

  • Provides a guide on the analysis of well test data in geothermal wells, including pressure transient analysis, completion testing and output testing
  • Presents practical information on how to avoid common issues with data collection in geothermal wells
  • Uses SI units, converting existing equations and models found in literature to this unit system instead of oilfield units


Geothermal energy engineering researchers and graduate students; Earth scientists; Geothermal reservoir engineers; steam field engineers; well test engineers; Graduate students and professionals in industry training courses; Instructors in academia and industry

Table of Contents

  • 1. Introduction
    2. Geothermal systems
    3. Geothermal wells
    4. Introduction to pressure-transient analysis
    5. Advanced analytical pressure-transient analysis relevant to geothermal wells
    6. Completion and output testing
    7. Downhole tools and other practical considerations
    8. Numerical pressure-transient analysis modelling framework
    9. Operation and management of geothermal wells
    10. Field studies

Product details

  • No. of pages: 366
  • Language: English
  • Copyright: © Academic Press 2019
  • Published: April 30, 2019
  • Imprint: Academic Press
  • eBook ISBN: 9780128149478
  • Hardcover ISBN: 9780128192665

About the Authors

Sadiq Zarrouk

Sadiq J. Zarrouk is an Associate Professor of Geothermal Engineering and the course director for the Postgraduate Certificate in Geothermal Energy Technology at the Department of Engineering Science, The University of Auckland, New Zealand. Sadiq has extesive research and commercial field experience in geothermal and reservoir engineering with more than 25 years of experience in geothermal energy training and research. He has worked on 36 geothermal fields in New Zealand, Belgium, Australia, Indonesia, Malaysia, the Philippines, Vietnam, and North America.

Affiliations and Expertise

Associate Professor (Geothermal Engineering) Geothermal PGCert Programme Director Department of Engineering Science, The University of Auckland, Private Bag 92019, Auckland New Zealand

Katie McLean

Katie has been a Geothermal Reservoir Engineer at Contact Energy Ltd. in Taupo, New Zealand, since 2010. She is also currently completing a PhD in geothermal well testing at the University of Auckland and holds a prestigious New Zealand scholarship, the Todd Foundation Postgraduate Scholarship in Energy Research. Ms. McLean’s work has included geothermal exploration, well and reservoir characterisation, well test analysis and numerical modelling. In the field of geothermal reservoir engineering, McLean has published 8 journal articles and conference proceedings. She has a Bachelor of Engineering and Bachelor of Science (Geology) degrees from the Australian National University, and a Postgraduate Certificate in Geothermal Energy Technology from the Geothermal Institute, at the University of Auckland. Prior to moving to New Zealand, McLean worked for four years as a Project Geologist in diamond and gold exploration in Canada’s Northwest Territories.

Affiliations and Expertise

Geothermal Reservoir Engineer, Contact Energy Ltd., New Zealand

Ratings and Reviews

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  • Julian X. Thu Mar 12 2020

    Well test analysis, best book ever.

    From my early years in geothermal to my actual understanding... This is the best book I have ever read. Thanks Sadiq and Katie for this great book. Julian Xicara, Reservoir Engineer Ormat Technologies.

  • Karan T. Thu Mar 05 2020

    A Fantastic Addition to Geothermal

    A comprehensive guide to well testing best practice, with new developments in understanding the effect of Carbon Dioxide on transient analysis. Well written and a must for any person asscociated with the Geothermal Industry.

  • YusniarUlly A. Fri Aug 30 2019

    Geothermal Well Test Analysis

    Easy to understand for newbie