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Title: Transport of perfluorocarbon tracers in the Cranfield Geological Carbon Sequestration Project

A field–scale carbon dioxide (CO 2) injection pilot project was conducted by the Southeast Regional Carbon Sequestration Partnership (SECARB) at Cranfield, Mississippi. Two associated campaigns in 2009 and 2010 were carried out to co–inject perfluorocarbon tracers (PFTs) and sulfur hexafluoride (SF 6) with CO 2. Tracers in gas samples from two observation wells were analyzed to construct breakthrough curves. In this work, we present the field data and numerical modeling of the flow and transport of CO 2, brine, and tracers. A high–resolution static model of the formation geology in the detailed area study (DAS) was used to capture the impact of connected flow pathways created by fluvial channels on breakthrough curves and breakthrough times of PFTs and SF6 tracers. We use the cubic–plus–association (CPA) equation of state, which takes into account the polar nature of water molecules, to describe the phase behavior of CO 2–brine–tracer mixtures. Our simulated results show good agreement for the 2009 tracer campaign in Cranfield, while a larger discrepancy emerges by 2010. Here, the combination of multiple tracer injection pulses with detailed numerical simulations proves to be a powerful tool in constraining both formation properties and how complex flow paths develop over time.
Authors:
ORCiD logo [1] ;  [2] ;  [2] ; ORCiD logo [3] ;  [4] ;  [3] ;  [2]
  1. Univ. of Cincinnati, Cincinnati, OH (United States)
  2. The Ohio State Univ., Columbus, OH (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Grant/Contract Number:
AC05-00OR22725; FC26-05NT42590
Type:
Accepted Manuscript
Journal Name:
Greenhouse Gases: Science and Technology
Additional Journal Information:
Journal Volume: 8; Journal Issue: 4; Journal ID: ISSN 2152-3878
Publisher:
Society of Chemical Industry, Wiley
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Southern States Energy Board, Norcross, GA (United States)
Sponsoring Org:
USDOE Office of Fossil Energy (FE)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; perflurocarbon tracers; CO2 sequestration; cubic-plus- association equation of state; reservoir simulation; Cranfield site; fluvial depositional environment
OSTI Identifier:
1462905
Alternate Identifier(s):
OSTI ID: 1460622; OSTI ID: 1479682

Soltanian, Mohamad Reza, Amooie, Mohammad Amin, Cole, David, Graham, David E., Pfiffner, Susan M., Phelps, Tommy Joe, and Moortgat, Joachim. Transport of perfluorocarbon tracers in the Cranfield Geological Carbon Sequestration Project. United States: N. p., Web. doi:10.1002/ghg.1786.
Soltanian, Mohamad Reza, Amooie, Mohammad Amin, Cole, David, Graham, David E., Pfiffner, Susan M., Phelps, Tommy Joe, & Moortgat, Joachim. Transport of perfluorocarbon tracers in the Cranfield Geological Carbon Sequestration Project. United States. doi:10.1002/ghg.1786.
Soltanian, Mohamad Reza, Amooie, Mohammad Amin, Cole, David, Graham, David E., Pfiffner, Susan M., Phelps, Tommy Joe, and Moortgat, Joachim. 2018. "Transport of perfluorocarbon tracers in the Cranfield Geological Carbon Sequestration Project". United States. doi:10.1002/ghg.1786.
@article{osti_1462905,
title = {Transport of perfluorocarbon tracers in the Cranfield Geological Carbon Sequestration Project},
author = {Soltanian, Mohamad Reza and Amooie, Mohammad Amin and Cole, David and Graham, David E. and Pfiffner, Susan M. and Phelps, Tommy Joe and Moortgat, Joachim},
abstractNote = {A field–scale carbon dioxide (CO2) injection pilot project was conducted by the Southeast Regional Carbon Sequestration Partnership (SECARB) at Cranfield, Mississippi. Two associated campaigns in 2009 and 2010 were carried out to co–inject perfluorocarbon tracers (PFTs) and sulfur hexafluoride (SF6) with CO2. Tracers in gas samples from two observation wells were analyzed to construct breakthrough curves. In this work, we present the field data and numerical modeling of the flow and transport of CO2, brine, and tracers. A high–resolution static model of the formation geology in the detailed area study (DAS) was used to capture the impact of connected flow pathways created by fluvial channels on breakthrough curves and breakthrough times of PFTs and SF6 tracers. We use the cubic–plus–association (CPA) equation of state, which takes into account the polar nature of water molecules, to describe the phase behavior of CO2–brine–tracer mixtures. Our simulated results show good agreement for the 2009 tracer campaign in Cranfield, while a larger discrepancy emerges by 2010. Here, the combination of multiple tracer injection pulses with detailed numerical simulations proves to be a powerful tool in constraining both formation properties and how complex flow paths develop over time.},
doi = {10.1002/ghg.1786},
journal = {Greenhouse Gases: Science and Technology},
number = 4,
volume = 8,
place = {United States},
year = {2018},
month = {6}
}