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Press Releases, Technical Announcements, Publications, Field Reports, and Science Highlights.


Wednesday, August 23, 2017

A Database and Probabilistic Assessment Methodology for Carbon Dioxide-enhanced Oil Recovery and Associated Carbon Dioxide Retention in the United States

Outside Publication: Energy Procedia
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...

Wednesday, August 23, 2017

Chemical and Isotopic Evidence for CO2 Charge and Migration within Bravo Dome and Potential CO2 Leakage to the Southwest

Outside Publication: Energy Procedia
Gas analyses from northeastern New Mexico, USA indicate that previous interpretations of the location of gas charge into the northeastern portion of Bravo Dome are likely correct, and that there may be multiple migration pathways from the same source for different regions in northeastern New Mexico...

Monday, August 07, 2017

Mantle and crustal gases of the Colorado Plateau: Geochemistry, sources, and migration pathways

Outside Publication: Geochimica et Cosmochimica Acta

The Colorado Plateau hosts several large accumulations of naturally occurring, non-hydrocarbon gases, including CO2, N2, and the noble gases, making it a good field location to study the fluxes of these gases within the crust and to the atmosphere...

Wednesday, August 02, 2017

3D Pressure-limited approach to model and estimate CO2 injection and storage capacity: saline Mount Simon Formation

Outside Publication: Greenhouse Gases Science and Technology
To estimate the carbon dioxide (CO2) injection and storage capacity of saline formations, we used Tough2-ECO2N simulation software to develop a pressure-limited (dynamic) simulation approach based on applying three-dimensional (3D)...

Wednesday, July 19, 2017

Neutron Scattering Measurements of Carbon Dioxide Adsorption in Pores within the Marcellus Shale: Implications for Sequestration

Outside Publication: Environmental Science & Technology
Shale is an increasingly viable source of natural gas and a potential candidate for geologic CO2 sequestration. Understanding the gas adsorption behavior on shale is necessary for the design of optimal gas recovery and sequestration projects. In the present study neutron diffraction and small-angle neutron scattering measurements of adsorbed CO2 in Marcellus Shale...

Wednesday, May 31, 2017

Methane and Benzene in Drinking-Water Wells Overlying the Eagle Ford, Fayetteville, and Haynesville Shale Hydrocarbon Production Areas

Outside Publication: Environmental Science & Technology
Water wells (n = 116) overlying the Eagle Ford, Fayetteville, and Haynesville Shale hydrocarbon production areas were sampled for chemical, isotopic, and groundwater-age tracers to investigate the occurrence and sources of selected hydrocarbons in groundwater...

Friday, April 14, 2017

Geogenic organic contaminants in the low-rank coal-bearing Carrizo-Wilcox aquifer of East Texas, USA

Outside Publication: Hydrogeology Journal
The organic composition of groundwater along the Carrizo-Wilcox aquifer in East Texas (USA), sampled from rural wells in May and September 2015, was examined as part of a larger study of the potential health and environmental effects of organic compounds derived from low-rank coals...

Monday, March 27, 2017

Organic petrology of peak oil maturity Triassic Yanchang Formation lacustrine mudrocks, Ordos Basin, China

Outside Publication: Society of Exploration Geophysicists
An organic petrology evaluation and a determination of solid bitumen reflectance BRwere completed for organic-rich Triassic Yanchang Formation mudrocks (n=15n) from the Ordos Basin, north-central China, as part of a larger investigation of “shale gas” resources. These data were integrated with information from...

Wednesday, March 01, 2017

Geochemistry and hydrology of perched groundwater springs: assessing elevated uranium concentrations at Pigeon Spring relative to nearby Pigeon Mine, Arizona (USA)

Outside Publication: Hydrogeology Journal
The processes that affect water chemistry as the water flows from recharge areas through breccia-pipe uranium deposits in the Grand Canyon region of the southwestern United States are not well understood. Pigeon Spring had elevated uranium in 1982 (44 μg/L), compared to other perched springs...





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