Tuesday, August 15

07:00 - 08:15
08:15 - 08:30
08:30 - 10:00
Session 1: Reservoir Engineering and Characterization of Fractured Systems
Session Chairpersons Rodolfo Camacho, National University of Mexico; Roland Horne, Stanford University

The characterization, analysis and modeling of hard rock reservoirs is a central part of the development of Enhanced Geothermal Systems (EGS). Reservoir rocks need to be analyzed for their native stress state and potential modes of fracturing and may already be naturally fractured before stimulation. Approaches to understand the reservoir and design a development strategy will be discussed.

John Murphy, Ormat
Rita Esuru Okoroafor, Texas A&M University

Denis Voskov, Delft University of Technology

10:00 - 10:30
10:30 - 12:00
Session 2: Reservoir Engineering in Sedimentary Reservoirs Including Characterization
Session Chairpersons Vincent Artus, Kappa Engineering; Felipe Medellin, Beicip-FranLab; Xiao-Hui Wu, ExxonMobil

This session will present geothermal projects in sedimentary reservoirs, with a focus on reservoir engineering and characterization. Several reservoir characterization methods will be reviewed. The challenges of classical pressure transient analysis (PTA) and other flow-based analysis for geothermal reservoirs evaluation will be addressed, together with the applicability of temperature transient analysis as a way to further characterize reservoir properties and development potential.


Bulbul Ahmmed, Los Alamos National Laboratory

Yuzhe Cai and Zizhong Liu, Chvron

Roman Shor, University of Calgary

12:00 - 13:30
13:30 - 15:00
Session 3: Enhanced Geothermal Systems
Session Chairpersons Mark McClure, ResFrac Corporation; Sathish Sankaran, Xecta Digital Labs

In recent years, innovative projects have breathed new life into the field of Enhanced Geothermal Systems (EGS). This session will review new developments and future outlook.


Jeff Burghardt, Pacific Northwest National Laboratory

Adam Hawkins, Cornell University
Robert Podgorney, Idaho National Lab
15:00 - 15:30
15:30 - 17:00
Session 4: Geomechanics for Geothermal Reservoirs
Session Chairpersons Mark McClure, ResFrac Corporation; Neal Nagel, OilField Geomechanics LLC

This session will address key geomechanical concerns for geothermal developments including:

  • the influence of high temperature and pressure on rock behavior
  • reservoir access issues for geothermal developments
  • geomechanical concerns for high temperature, fractured formations
Munir Aldin, Metarock Laboratories

Ahmad Ghassemi, The University of Oklahoma

Matt Uddenberg, Altarock Energy

17:00 - 18:00

Wednesday, August 16

07:00 - 08:00
08:00 - 09:30
Session 5: Geothermal Resource Assessment
Session Chairpersons Gioia Falcone, University of Glasgow; Jerjes Porlles, University of North Dakota

This session will discuss the need for geothermal resource assessment and the principles of geothermal resource quantification. It will focus on resource assessment at different stages of maturity of a geothermal project, from exploration to mature assets.

Gioia Falcone, University of Glasgow

Steve Gardner, Ryder Scott

Robin Zuza, Ormat 

09:30 - 10:00
10:00 - 11:30
Session 6: Advanced Geothermal Systems
Session Chairpersons Silviu Livescu, The University of Texas at Austin; Camilo Mejia, Enovate

This session covers the principles of heat extraction through closed-loop systems and working fluids. Advantages, challenges, innovation and case studies will be reviewed to discover the potential of unlimited heat extraction.


Ehsaan Ahmad Nasir, Baker Hughes

Abbas Firoozabadi, Rice University
Roman Shor, University of Calgary
11:30 - 13:00
13:00 - 14:30
Session 7: Drilling and Completions
Session Chairpersons Karen Olson, Well Data Labs; Santiago Rocha, Cyrq Energy

This session will cover the unique aspects of drilling and completing geothermal wells. The session will also discuss the primary differences between oil and gas (O&G) wells and geothermal wells, as well as how O&G techniques have been adapted for geothermal applications.

Joshua Gossanyi , Ormat 
Sam Noynaert, Texas A&M University
Ernesto Rivas, Geothermal Resources Council
14:30 - 15:00
15:00 - 16:30
Session 8: Geothermal Systems Surveillance
Session Chairpersons Birol Dindoruk, University of Houston; Santiago Rocha, Cyrq Energy; Sathish Sankaran, Xecta Digital Labs

Efficient operation of geothermal systems would require continuous monitoring of well performance and identifying well issues. Therefore, what aspects of surveillance are unique for geothermal systems?

In this session, we will explore the current practices, future requirements, and promising methods for reservoir and well surveillance including novel technologies (data-driven methods coupled with new measurement techniques).


Ram Ratnakar, Shell

Laura Santos, CMG