Robert S Andrews (Former Employee)
Science and Products
Year Published: 2020
Compositional analysis of formation water geochemistry and microbiology of commercial and carbon dioxide-rich wells in the southwestern United States
Studies of naturally occurring subsurface carbon dioxide (CO2) accumulations can provide useful information for potential CO2 injection projects; however, the microbial communities and formation water geochemistry of most reservoirs are understudied. Formation water and microbial biomass were sampled at four CO2-rich reservoir sites: two within...
Shelton, Jenna L.; Andrews, Robert S.; Akob, Denise M.; DeVera, Christina A.; Mumford, Adam C.; Engle, Mark; Plampin, Michelle R.; Brennan, Sean T.View Citation
Shelton, J.L., Andrews, R.S., Akob, D.M., DeVera, C.A., Mumford, A.C., Engle, M., Plampin, M.R., and Brennan, S.T., 2020, Compositional analysis of formation water geochemistry and microbiology of commercial and carbon dioxide-rich wells in the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2020–5037, 26 p., https://doi.org/10.3133/sir20205037.
Year Published: 2018
Microbial community composition of a hydrocarbon reservoir 40 years after a CO2 enhanced oil recovery flood
Injecting CO2 into depleted oil reservoirs to extract additional crude oil is a common enhanced oil recovery (CO2-EOR) technique. However, little is known about how in situ microbial communities may be impacted by CO2 flooding, or if any permanent microbiological changes occur after flooding has ceased. Formation water was...
Shelton, Jenna L.; Andrews, Robert S.; Akob, Denise M.; DeVera, Christina A.; Mumford, Adam C.; McCray, John E.; McIntosh, Jennifer C.