Blar i UiS Brage på emneord "Raman spectroscopy"

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    • Raman spectroscopy applied to enhanced oil recovery research 

      Egeland, Nina (Master thesis, 2015-06-09)
      It is well established that aqueous chemistry affects the mechanical strength of chalk. Seawater tends to weaken chalk at reservoir temperatures and consequently the recovery rate. As more than 50 % of the oil in existing ...

    • Retarding mechanism of Zn2+ species in geopolymer material using Raman spectroscopy and DFT calculations 

      Chamssine, Fawzi; H.S. Gasparotto, Luiz; Angelo Fonsecade Souza, Miguel; Khalifeh, Mahmoud; Cezar de Oliveira Freitas, Julio (Peer reviewed; Journal article, 2022)
      Geopolymers are the most promising alternative to Ordinary Portland Cement for oil-well cementing and well abandonment. To that end, the slurry needs a required pumping time ensured by the addition of retarders. Although ...