Dr Eylem Kaya

PhD (EngSci), Dip GeothermEnergyTech, BSc, MSc in Petroleum and Natural Gas Engineering


Eylem began to work as a Postdoctoral Research Fellow in the Department of Engineering Science in 2010 and since 2013 she is working as a lecturer. From 2000 to 2006 she worked as a research fellow in the Petroleum and Natural Gas Engineering department at Istanbul Technical University. Her research interests are in geothermal reservoir engineering.

Research | Current

Reinjection into geothermal systems

Modelling reinjection of non-condansable gases into geothermal reservoirs

Modelling deep geothermal resources in part of Taupo Volcanic Zone

Well Tests

Fluid Rock Interaction

Uncertainity Analysis


Teaching | Current

ENERGY 722 - Energy Technology

GEOTHERM 602 - Geothermal Energy Technology

GEOTHERM 620 - Geothermal Engineering

Postgraduate supervision

Master of Engineering 2020 : 

  • Kathrina Bacus, Exergy Analysis of Southern Negros Geothermal Field, Philippines, Main Supervisor. Co-supervised with Dr. Sadiq Zarrouk.

Master of Energy 2020 : 

  • Diane Christabel Pua, Application of Reactive Chemistry for Geothermal Wells in Mt. Apo Geothermal Field, Philippines. Main Supervisor. Co-supervised with Dr. Bridget Lynne.

​Master of Energy 2019 :

  • Andi Andi: Study of application of Single Phase Flow Analysis as a Pipeline Integrity Management Approach in asset integrity management system
  • Gitta Septiani : Numerical Pressure Transient Analysis of an Injection/Fall-off Test under Various Conditions of Geothermal Reservoir
  • Mahdi Ahmad : The Effects of CO2 on Production Performance of Hot-Water Reservoirs
  • Ruth Pauline : Modelling Geothermal Power Generation from the Waiotapu – Waikite – Reporoa Geothermal Fields
  • Zahratul Kamila : A Worldwide Review Update of Reinjection in Geothermal Fields

​Master of Energy 2018 :

  • Dale Emet S. Altar :  Numerical Modelling of the Effect of NCG Injection
  • Daniel Wilhelmus Adityatama :  Investigation of Pressure Transient Analysis Methods for Single and Multiphase Geothermal Reservoirs
  • Dorman Pardamean Purba: Investigation of Geothermal Resource Assessment Methods in Reducing Exploration Risks : A Case Study for an Indonesian Geothermal Field
  • Karan Amol Titus : A Numerical Model for a Fault Dominated Reservoir : A Case Study for a Geothermal Field in Turkey

Master of Energy 2015 :

  • Pandu Wicaksono: Review of Subsidence Modelling Study in Wairakei and Tauhara Geothermal Fields
  • Sari Widyanti: Numerical Model of the Deep Hydrothermal Convection in the Taupo Volcanic Zone
  • Victor Callos: Modelling NCG reinjection in Geothermal Reservoirs

Master of Energy 2014 :

  • Alexandre Rivera Diaz: Reinjection in geothermal fields : A worldwide review update
  • Arcadius Angalwa: Extraction of geothermal energy from petroleum fields
  • Desy Caesary: Natural state model calibration for a natural convective model part of the TVZ
  • Eko Hari Purwanto: NCG-NaCl Reservoir Modelling in Waiotapu-Waikite-Reporoa Geothermal Areas

PGCert Project (GEOTHERM 689) – 2019 :

  • Geranicky Delisatra, Modelling Tracer Flow in Fracture Environment Using Single Porosity and Dual Porosity Minc Model​
  • Ahmad R. Diassaputra, Observation of CO2 Injection in Wellbore Condition Using Numerical Modelling

PGCert Project (GEOTHERM 689) – 2018 :

  • Ian Mendevil : Simulation of hot reinjection scheme for Maibarara geothermal field, Philippines
  • Vanesa Vanesa Meneses Mora : Development of Geothermal Greenhouses in Costa Rica

PGCert Project (GEOTHERM 689) – 2015 :

  • Wida Ningrum : Development of convective high temperature systems beneath Indonesian strato-volcanoes
  • Khairul Fajarudin : Calibration of a refined natural state convective model of the TVZ

PGCert Project (GEOTHERM 689) – 2014 :

  • Dalton Eloi: Development of a Numerical Reservoir Model of the Roseau Valley Geothermal Field in Dominica
  • Fatah Gunawan: Early Development of Numerical Reservoir Modelling in Tompaso Geothermal Field, Indonesia
  • Jonathan Kartadjoemena: Extraction of Geothermal Energy from Ngatoro Petroleum Field
  • Sari Widyanti: Numerical Model of the Deep Geothermal Resources in the Taupo Volcanic Zone

PGCert Project (GEOTHERM 689) – 2013 :

  • Arcadius Angalwa: Calcite Scaling Potential Assessment in the Menengai Geothermal Field, Nakuru Kenya: A Case Study of Well MW – 01
  • Desy Caesary: Natural State Model Calibration for A Natural Convective Model Part of the Taupo Volcanic Zone, New Zealand
  • Eko Hari Purwanto: A Reservoir Modelling Study to Investigate the Effect on Reinjection into Dry Steam Zones
  • Rainier Halcon: Resource Assessment Review of the Daklan Geothermal Prospect Benguet, Philippines

Areas of expertise

  • Geothermal energy
  • Geothermal reservoir engineering
    • Reservoir simulation
    • Inverse modelling
    • Reinjection strategies
  • Petroleum and natural gas engineering
    • Reservoir engineering
    • Well tests
    • Fluid/rock properties

Selected publications and creative works (Research Outputs)

As of 29 October 2020 there will be no automatic updating of 'selected publications and creative works' from Research Outputs. Please continue to keep your Research Outputs profile up to date.
  • Altar, D. E., & Kaya, E. (2020). Numerical modelling of the interaction between geothermal injectate-non condensable gas solutions and greywacke. International Journal of Greenhouse Gas Control, 9410.1016/j.ijggc.2019.102922
    Other University of Auckland co-authors: Dale Emet Altar
  • Kaya, E., Adityatama, D., & Zarrouk, S. (2019). Investigation of pressure transient analysis methods for single-phase and CO2-rich geothermal reservoirs. Renewable Energy, 141, 162-180. 10.1016/j.renene.2019.03.140
    URL: http://hdl.handle.net/2292/46887
    Other University of Auckland co-authors: Sadiq Zarrouk
  • Kaya, E., Callos, V., & Mannington, W. (2018). CO 2 –water mixture reinjection into two-phase liquid dominated geothermal reservoirs. Renewable Energy, 126, 652-667. 10.1016/j.renene.2018.03.067
  • Kaya, E., & Zarrouk, S. J. (2017). Reinjection of greenhouse gases into geothermal reservoirs. International Journal of Greenhouse Gas Control, 67, 111-129. 10.1016/j.ijggc.2017.10.015
    Other University of Auckland co-authors: Sadiq Zarrouk
  • Kaya, E. (2016). Modelling reinjection into vapour-dominated two-phase systems: Part 2- reinjection experiments on the 3D Model. Geothermics, 60, 196-217. 10.1016/j.geothermics.2015.12.006
  • Kaya, E. (2016). Modelling reinjection into vapour-dominated two-phase systems: Part 1- Experiments on model design. Geothermics, 60, 175-195. 10.1016/j.geothermics.2015.12.005
  • Rivera Diaz, A., Kaya, E., & Zarrouk, S. J. (2016). Reinjection in geothermal fields: a worldwide review update. Renewable and Sustainable Energy Reviews, 53, 105-162. 10.1016/j.rser.2015.07.151
    Other University of Auckland co-authors: Sadiq Zarrouk
  • Kaya, E., O'Sullivan MJ, & Yeh, A. (2014). Three-dimensional model of the deep geothermal resources in the Taupo–Reporoa Basin, New Zealand. Journal of Volcanology and Geothermal Research, 284, 46-60. 10.1016/j.jvolgeores.2014.07.015
    Other University of Auckland co-authors: Michael O'Sullivan, Angus Yeh


Contact details

Alternative contact

  • +64 9 923 4611

Primary office location

Level 4, Room 407
New Zealand

Web links