Sean T. Brennan
Sean Brennan is a Research Geologist with the USGS Geology, Energy & Minerals (GEM) Science Center in Reston, VA.
Science and Products
A database and probabilistic assessment methodology for carbon dioxide enhanced oil recovery and associated carbon dioxide retention in the United States
Geologic framework for the national assessment of carbon dioxide storage resources—Southern Rocky Mountain Basins: Chapter M in Geologic framework for the national assessment of carbon dioxide storage resources
The U.S. Geological Survey has completed an assessment of the potential geologic carbon dioxide storage resources in the onshore areas of the United States. To provide geological context and input data sources for the resources numbers, framework documents are being prepared for all areas that were investigated as part of the national assessment. This report, chapter M, is the geologic framework d
Geologic framework for the national assessment of carbon dioxide storage resources─South Florida Basin: Chapter L in Geologic framework for the national assessment of carbon dioxide storage resources
Geologic framework for the national assessment of carbon dioxide storage resources: Williston Basin, Central Montana Basins, and Montana Thrust Belt study areas
Geologic framework for the national assessment of carbon dioxide storage resources: Alaska North Slope and Kandik Basin, Alaska
Geologic framework for the national assessment of carbon dioxide storage resources: U.S. Gulf Coast
Geologic framework for the national assessment of carbon dioxide storage resources: Denver Basin, Colorado, Wyoming, and Nebraska
The U. S. Geological Survey carbon dioxide storage efficiency value methodology: Results and observations
Geologic framework for the national assessment of carbon dioxide storage resources: Greater Green River Basin, Wyoming, Colorado, and Utah, and Wyoming-Idaho-Utah Thrust Belt
National assessment of geologic carbon dioxide storage resources: methodology implementation
The major-ion composition of Cenozoic seawater: the past 36 million years from fluid inclusions in marine halite
Methods to assess geological CO2 storage capacity: Status and best practice
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A database and probabilistic assessment methodology for carbon dioxide enhanced oil recovery and associated carbon dioxide retention in the United States
The U.S. Geological Survey (USGS) has developed an assessment methodology for estimating the potential incremental technically recoverable oil resources resulting from carbon dioxide-enhanced oil recovery (CO2-EOR) in reservoirs with appropriate depth, pressure, and oil composition. The methodology also includes a procedure for estimating the CO2 that remains in the reservoir after the CO2-EOR proAuthorsPeter D. Warwick, Mahendra K. Verma, Emil D. Attanasi, Ricardo A. Olea, Madalyn S. Blondes, Philip Freeman, Sean T. Brennan, Matthew D. Merrill, Hossein Jahediesfanjani, Jacqueline Roueche, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources—Southern Rocky Mountain Basins: Chapter M in Geologic framework for the national assessment of carbon dioxide storage resources
The U.S. Geological Survey has completed an assessment of the potential geologic carbon dioxide storage resources in the onshore areas of the United States. To provide geological context and input data sources for the resources numbers, framework documents are being prepared for all areas that were investigated as part of the national assessment. This report, chapter M, is the geologic framework d
AuthorsMatthew D. Merrill, Ronald M. Drake, Marc L. Buursink, William H. Craddock, Joseph A. East, Ernie R. Slucher, Peter D. Warwick, Sean T. Brennan, Madalyn S. Blondes, Philip A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources─South Florida Basin: Chapter L in Geologic framework for the national assessment of carbon dioxide storage resources
This report presents five storage assessment units (SAUs) that have been identified as potentially suitable for geologic carbon dioxide sequestration within a 35,075-square-mile area that includes the entire onshore and State-water portions of the South Florida Basin. Platform-wide, thick successions of laterally extensive carbonates and evaporites deposited in highly cyclic depositional environmeAuthorsTina L. Roberts-Ashby, Sean T. Brennan, Matthew D. Merrill, Madalyn S. Blondes, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources: Williston Basin, Central Montana Basins, and Montana Thrust Belt study areas
The 2007 Energy Independence and Security Act directs the U.S. Geological Survey (USGS) to conduct a national assessment of potential geologic storage resources for carbon dioxide (CO2). The methodology used by the USGS for the national CO2 assessment follows that of previous USGS work. This methodology is non-economic and is intended to be used at regional to sub-basinal scales. The Williston BasAuthorsMarc L. Buursink, Matthew D. Merrill, William H. Craddock, Tina L. Roberts-Ashby, Sean T. Brennan, Madalyn S. Blondes, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources: Alaska North Slope and Kandik Basin, Alaska
This report presents fourteen storage assessment units (SAUs) from the Alaska North Slope and two SAUs from the Kandik Basin of Alaska. The Alaska North Slope is a broad, north-dipping coastal plain that is underlain by a thick succession of sedimentary rocks that accumulated steadily throughout much of the Phanerozoic during three major tectonic sequences: the Mississippian through Triassic EllesAuthorsWilliam H. Craddock, Marc L. Buursink, Jacob A. Covault, Sean T. Brennan, Colin A. Doolan, Ronald M. Drake, Matthew D. Merrill, Tina L. Roberts-Ashby, Ernie R. Slucher, Peter D. Warwick, Madalyn S. Blondes, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources: U.S. Gulf Coast
This report presents 27 storage assessment units (SAUs) within the United States (U.S.) Gulf Coast. The U.S. Gulf Coast contains a regionally extensive, thick succession of clastics, carbonates, salts, and other evaporites that were deposited in a highly cyclic depositional environment that was subjected to a fluctuating siliciclastic sediment supply and transgressive and regressive sea levels. AtAuthorsTina L. Roberts-Ashby, Sean T. Brennan, Marc L. Buursink, Jacob A. Covault, William H. Craddock, Ronald M. Drake, Matthew D. Merrill, Ernie R. Slucher, Peter D. Warwick, Madalyn S. Blondes, Mayur A. Gosai, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrGeologic framework for the national assessment of carbon dioxide storage resources: Denver Basin, Colorado, Wyoming, and Nebraska
This is a report about the geologic characteristics of five storage assessment units (SAUs) within the Denver Basin of Colorado, Wyoming, and Nebraska. These SAUs are Cretaceous in age and include (1) the Plainview and Lytle Formations, (2) the Muddy Sandstone, (3) the Greenhorn Limestone, (4) the Niobrara Formation and Codell Sandstone, and (5) the Terry and Hygiene Sandstone Members. The describAuthorsRonald M. Drake, Sean T. Brennan, Jacob A. Covault, Madalyn S. Blondes, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrThe U. S. Geological Survey carbon dioxide storage efficiency value methodology: Results and observations
In order to complete the 2013 U.S. Geological Survey (USGS) assessment of carbon dioxide (CO2) storage resources, a methodology was needed to determine the CO2storage efficiency of individual rock strata. The method that was used involved a storage efficiency approximation by MacMinn et al., combined with a brine viscosity model by Mao and Duan, and thermal and pressure data from petroleum fieldsAuthorsSean T. BrennanGeologic framework for the national assessment of carbon dioxide storage resources: Greater Green River Basin, Wyoming, Colorado, and Utah, and Wyoming-Idaho-Utah Thrust Belt
The 2007 Energy Independence and Security Act (Public Law 110–140) directs the U.S. Geological Survey (USGS) to conduct a national assessment of potential geologic storage resources for carbon dioxide (CO2). The methodology used by the USGS for the national CO2 assessment follows up on previous USGS work. The methodology is non-economic and intended to be used at regional to subbasinal scales. ThiAuthorsMarc L. Buursink, Ernie R. Slucher, Sean T. Brennan, Colin A. Doolan, Ronald M. Drake, Matthew D. Merrill, Peter D. Warwick, Madalyn S. Blondes, P.A. Freeman, Steven M. Cahan, Christina A. DeVera, Celeste D. LohrNational assessment of geologic carbon dioxide storage resources: methodology implementation
In response to the 2007 Energy Independence and Security Act, the U.S. Geological Survey (USGS) conducted a national assessment of potential geologic storage resources for carbon dioxide (CO2). Storage of CO2 in subsurface saline formations is one important method to reduce greenhouse gas emissions and curb global climate change. This report provides updates and implementation details of the assesAuthorsMadalyn S. Blondes, Sean T. Brennan, Matthew D. Merrill, Marc L. Buursink, Peter D. Warwick, Steven M. Cahan, M.D. Corum, Troy A. Cook, William H. Craddock, Christina A. DeVera, Ronald M. Drake, Lawrence J. Drew, P.A. Freeman, Celeste D. Lohr, Ricardo A. Olea, Tina L. Roberts-Ashby, Ernie R. Slucher, Brian A. VarelaThe major-ion composition of Cenozoic seawater: the past 36 million years from fluid inclusions in marine halite
Fluid inclusions from ten Cenozoic (Eocene-Miocene) marine halites are used to quantify the major-ion composition (Mg2+, Ca2+, K+, Na+, SO42−, and Cl−) of seawater over the past 36 My. Criteria used to determine a seawater origin of the halites include: (1) stratigraphic, sedimentologic, and paleontologic observations; (2) Br− in halite; (3) δ34S of sulfate minerals; (4) 87Sr/86Sr of carbonates anAuthorsSean T. Brennan, Tim K. Lowenstein, Dioni I. CendonMethods to assess geological CO2 storage capacity: Status and best practice
To understand the emission reduction potential of carbon capture and storage (CCS), decision makers need to understand the amount of CO2 that can be safely stored in the subsurface and the geographical distribution of storage resources. Estimates of storage resources need to be made using reliable and consistent methods. Previous estimates of CO2 storage potential for a range of countries and regiAuthorsWolf Heidug, Sean T. Brennan, Sam Holloway, Peter D. Warwick, Sean McCoy, Tsukasa Yoshimura - Web Tools
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