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Title: Geomechanical Evaluation of Thermal Impact of Injected CO 2 Temperature on a Geological Reservoir: Application to the FutureGen 2.0 Site

Abstract

The impact of temperature variations of injected CO 2 on the mechanical integrity of a reservoir is a problem rarely addressed in the design of a CO 2 storage site. The geomechanical simulation of the FutureGen 2.0 storage site presented here takes into account the complete modeling of heat exchange between the environment and CO 2 during its transport in the pipeline and injection well before reaching the reservoir, as well as its interaction with the reservoir host rock. An ad-hoc program was developed to model CO 2 transport from the power plant to the reservoir and an approach coupling PNNL STOMP-CO 2 multiphase flow simulator and ABAQUS® has been developed for the reservoir model which is fully three-dimensional with four horizontal wells and variable layer thickness. The Mohr-Coulomb fracture criterion has been employed, where hydraulic fracture was predicted to occur at an integration point if the fluid pressure at the point exceeded the least compressive principal stress. Evaluation of the results shows that the fracture criterion has not been verified at any node and time step for the CO 2 temperature range predicted at the top of the injection zone.

Authors:
 [1]; ;  [1]; ;  [1]; ;  [1]; ;  [1]; ;  [1];
  1. Pacific Northwest National Laboratory
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1209057
Grant/Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Energy Procedia
Additional Journal Information:
Journal Volume: 63; Journal Issue: C; Journal ID: ISSN 1876-6102
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; 20 FOSSIL-FUELED POWER PLANTS; carbon sequestration; CO2 geological storage; Mt Simon sandstone; geomechanics; thermal fracturing

Citation Formats

Bonneville, Alain, USA, Richland Washington, Nguyen, Ba Nghiep, USA, Richland Washington, Stewart, Mark, USA, Richland Washington, Hou, Z. Jason, USA, Richland Washington, Murray, Christopher, USA, Richland Washington, Gilmore, Tyler, and USA, Richland Washington. Geomechanical Evaluation of Thermal Impact of Injected CO2 Temperature on a Geological Reservoir: Application to the FutureGen 2.0 Site. United States: N. p., 2014. Web. doi:10.1016/j.egypro.2014.11.358.
Bonneville, Alain, USA, Richland Washington, Nguyen, Ba Nghiep, USA, Richland Washington, Stewart, Mark, USA, Richland Washington, Hou, Z. Jason, USA, Richland Washington, Murray, Christopher, USA, Richland Washington, Gilmore, Tyler, & USA, Richland Washington. Geomechanical Evaluation of Thermal Impact of Injected CO2 Temperature on a Geological Reservoir: Application to the FutureGen 2.0 Site. United States. doi:10.1016/j.egypro.2014.11.358.
Bonneville, Alain, USA, Richland Washington, Nguyen, Ba Nghiep, USA, Richland Washington, Stewart, Mark, USA, Richland Washington, Hou, Z. Jason, USA, Richland Washington, Murray, Christopher, USA, Richland Washington, Gilmore, Tyler, and USA, Richland Washington. Wed . "Geomechanical Evaluation of Thermal Impact of Injected CO2 Temperature on a Geological Reservoir: Application to the FutureGen 2.0 Site". United States. doi:10.1016/j.egypro.2014.11.358. https://www.osti.gov/servlets/purl/1209057.
@article{osti_1209057,
title = {Geomechanical Evaluation of Thermal Impact of Injected CO2 Temperature on a Geological Reservoir: Application to the FutureGen 2.0 Site},
author = {Bonneville, Alain and USA, Richland Washington and Nguyen, Ba Nghiep and USA, Richland Washington and Stewart, Mark and USA, Richland Washington and Hou, Z. Jason and USA, Richland Washington and Murray, Christopher and USA, Richland Washington and Gilmore, Tyler and USA, Richland Washington},
abstractNote = {The impact of temperature variations of injected CO2 on the mechanical integrity of a reservoir is a problem rarely addressed in the design of a CO2 storage site. The geomechanical simulation of the FutureGen 2.0 storage site presented here takes into account the complete modeling of heat exchange between the environment and CO2 during its transport in the pipeline and injection well before reaching the reservoir, as well as its interaction with the reservoir host rock. An ad-hoc program was developed to model CO2 transport from the power plant to the reservoir and an approach coupling PNNL STOMP-CO2 multiphase flow simulator and ABAQUS® has been developed for the reservoir model which is fully three-dimensional with four horizontal wells and variable layer thickness. The Mohr-Coulomb fracture criterion has been employed, where hydraulic fracture was predicted to occur at an integration point if the fluid pressure at the point exceeded the least compressive principal stress. Evaluation of the results shows that the fracture criterion has not been verified at any node and time step for the CO2 temperature range predicted at the top of the injection zone.},
doi = {10.1016/j.egypro.2014.11.358},
journal = {Energy Procedia},
number = C,
volume = 63,
place = {United States},
year = {Wed Dec 31 00:00:00 EST 2014},
month = {Wed Dec 31 00:00:00 EST 2014}
}

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