Impact of zno and cuo nanoparticles on the rheological and filtration properties of water-based drilling fluid
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The decrease in filtration loss, compared to the base drilling fluid, obtained from the ZnO 0.8% and CuO 0.8% nanoparticle-based drilling fluids was 18.6% and 30.2%, respectively. ... In general, any drilling fluid formulation is required to have as low as possible fluid loss to decrease problems of wellbore instability.
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The rheological properties for both nanoparticle-based drilling fluids showed a significant improvement over the base drilling fluid, with ZnO providing a better overall performance than CuO. ... Mud cake thickness was also reduced, compared to the base fluid, with the CuO (27.6%) and ZnO (24.6%) nanoparticle fluids.
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