Predictive models of potential geomechanical risks related to CCS storage in depleted gas reservoirs

Predictive models of potential geomechanical risks related to CCS storage in depleted gas reservoirs

Geomechanics Series
←  SPE - Calgary Section

Geomechanics Series:
Predictive Models of Potential Geomechanical Risks Related to CCS Storage in Depleted Gas Reservoirs

Date: Tuesday March 9th, 2021
Speaker: Dr. Bogdan Orlic
Speaker: Dr. Thibault Candela
TNO, Utrecht, the Netherlands
Location: Webinar
A link will be sent to your preferred email the day of the event
Time: 12:00 PM - 1:00 PM MST
SPE Member: Free Non- Member: $20


In order to prevent the pre-mature arrests of upcoming CCS activities, environmental risks related to the geological storage such as leakage via wells, faults, breaching of the caprock, and fault reactivation need to be minimized/avoided. During this talk a collection of newly developed modelling strategies to forecast these risks will be presented.

In the Netherlands, the prime targets for future storage of CO2 are offshore depleted multi-compartment faulted gas reservoirs. This specific scenario calls for modelling strategies capable to honor the rich prior subsurface static and dynamic information in terms of geology, pressure/temperature distribution and the observed reservoir response during hydrocarbon extraction. The deployed modelling strategies aim at a fast but high-resolution 3D assessment of induced stress changes inside and outside the targeted reservoir both during the historical depletion and during the future cold CO2 injections. The dual-effect of pressure and temperature changes is evaluated in terms of potential risks of (i) close-well hydraulic fracturing, (ii) reactivation of pre-existing faults transecting the reservoir, bounding the reservoir or located in the surrounding, (iii) integrity of the well system.

Speaker Bio:

Dr. Bogdan Orlic holds a PhD in technical geosciences from Delft University of Technology in the Netherlands. He has 35 years of professional experience in R&D and consultancy in the area of subsurface energy production, energy storage, CCUS, mining and geotechnical engineering. Bogdan has specialized in numerical modelling of rock deformation related to various subsurface geo-energy applications. He worked in the Balkan region and Germany before joining TNO in the Netherlands in 1998. His current research topics are well integrity, containment integrity and subsurface energy storage. His goal is to promote use of applied geomechanics in geo-energy studies.


Dr. Thibault Candela holds a PhD in Geophysics from the University of Grenoble in France. Between 2011 to 2014 he moved to US stretched between the east coast (at PennState University) and west coast (at University of California Santa Cruz) for his postdoctoral research on the induced fluid flow by the shaking of the subsurface during an earthquake. After leading the rock mechanics center of Baker Hughes in Rio de Janeiro, Thibault joined TNO in 2015. His current research’s topics are human-induced seismicity and subsidence.

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March 9, 2021
From 12:00 PM to 1:00 PM