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Browsing by Author "Kelessidis, Vassilios C."

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Browsing by Author "Kelessidis, Vassilios C."

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  • Development and Testing of Novel Drilling Fluids Using Fe2O3 and SiO2 Nanoparticles for Enhanced Drilling Operations 
    Vryzas, Zisis; Mahmoud, Omar; Nasr-El-Din, Hisham A.; Kelessidis, Vassilios C. (International Petroleum Technology Conference, 2023-01-27)
    Access to deeper oil and gas reservoirs in hostile environments necessitates improvement of existing drilling fluids. This work focuses on the lab techniques for developing, assessing and analyzing innovative water-based ...
  • Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions 
    Vryzas, Zisis; Kelessidis, Vassilios C.; Nalbantian, Lori; Zaspalis, Vassilis; Gerogiorgis, Dimitrios I.; Wubulikasimu, Yiming (2023-02-01)
    Temperature affects significantly the rheological behavior of neat water Wyoming Na-bentonite dispersions. The results of a very systematic study are presented regarding rheological measurements of 7% mass concentration ...
  • Nano-based drilling fluids 
    Vryzas, Zisis; Kelessidis, Vassilios C. (2023-02-01)
    Nanomaterials are engineered materials with at least one dimension in the range of 1–100 nm. Nanofluids—nanoscale colloidal suspensions containing various nanomaterials—have distinctive properties and offer unprecedented ...