Search Results - "Hillegonds, D.J"

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    Basin architecture controls on the chemical evolution and 4He distribution of groundwater in the Paradox Basin by Tyne, R.L., Barry, P.H., Cheng, A., Hillegonds, D.J., Kim, J.-H., McIntosh, J.C., Ballentine, C.J.

    Published in Earth and planetary science letters (01-07-2022)
    “…•Noble gas isotopes were measured in multiple formations in the Paradox Basin.•Noble gases are significantly more radiogenic below the Paradox…”
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    Journal Article
  3. 3

    Rapid microbial methanogenesis during CO.sub.2 storage in hydrocarbon reservoirs by Tyne, R.L, Barry, P.H, Lawson, M, Byrne, D.J, Warr, O, Xie, H, Hillegonds, D.J

    Published in Nature (London) (23-12-2021)
    “…Carbon capture and storage (CCS) is a key technology to mitigate the environmental impact of carbon dioxide (CO.sub.2) emissions. An understanding of the…”
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    The origin of high helium concentrations in the gas fields of southwestern Tanzania by Mtili, K.M., Byrne, D.J., Tyne, R.L., Kazimoto, E.O., Kimani, C.N., Kasanzu, C.H., Hillegonds, D.J., Ballentine, C.J., Barry, P.H.

    Published in Chemical geology (20-12-2021)
    “…Volatile elements are concentrated at Earth's surface, forming a rich atmosphere and oceans which enabled the eventual emergence of life. However, volatiles…”
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    Tracing enhanced oil recovery signatures in casing gases from the Lost Hills oil field using noble gases by Barry, P.H., Kulongoski, J.T., Landon, M.K., Tyne, R.L., Gillespie, J.M., Stephens, M.J., Hillegonds, D.J., Byrne, D.J., Ballentine, C.J.

    Published in Earth and planetary science letters (15-08-2018)
    “…Enhanced oil recovery (EOR) and hydraulic fracturing practices are commonly used methods to improve hydrocarbon extraction efficiency; however, the…”
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    Investigating the effect of enhanced oil recovery on the noble gas signature of casing gases and produced waters from selected California oil fields by Tyne, R.L., Barry, P.H., Karolytė, R., Byrne, D.J., Kulongoski, J.T., Hillegonds, D.J., Ballentine, C.J.

    Published in Chemical geology (05-12-2021)
    “…In regions where water resources are scarce and in high demand, it is important to safeguard against contamination of groundwater aquifers by oil-field fluids…”
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    He, Ne, Ar and CO2 systematics of the Rungwe Volcanic Province, Tanzania: Implications for fluid source and dynamics by Kimani, C.N., Kasanzu, C.H., Tyne, R.L., Mtili, K.M., Byrne, D.J., Kazimoto, E.O., Hillegonds, D.J., Ballentine, C.J., Barry, P.H.

    Published in Chemical geology (30-12-2021)
    “…Volatiles, such as carbon and noble gases, are continuously degassed from Earth's mantle and crust to Earth's surface in continental rifting systems. Here, we…”
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    Identifying large chondrites using cosmogenic radionuclides by Welten, K.C., Caffee, M.W., Hillegonds, D.J., Masarik, J., Nishiizumi, K.

    “…We measured the concentrations of the cosmogenic radionuclides 10Be, 26Al, 36Cl and 41Ca in the metal and stone fractions of three large chondrite showers to…”
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    Cosmogenic 41Ca in diogenites: Production rates, pre-atmospheric size and terrestrial ages by Welten, K.C., Hillegonds, D.J., Masarik, J., Nishiizumi, K.

    “…We measured concentrations of cosmogenic 41Ca in 37 diogenites, including 8 falls and 29 Antarctic finds, using accelerator mass spectrometry (AMS). The…”
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