Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
Volume 208, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.petrol.2021.109452
Keywords
Oil-based drilling fluids; Nanoparticles; Viscosity; Filtration; Colloidal stability
Categories
Funding
- Russian Science Foundation [17-79-20218P]
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The study showed that adding nanoparticles to oil-based drilling fluids can significantly improve their properties, even with a minute concentration showing visible effects on all parameters. This may be a promising direction for further enhancing oil-based drilling fluids in the future.
The oil-based drilling fluids are widely used in well drilling. An experimental study on the effect of the addition of silicon oxide nanoparticles of various concentrations on the oil-based drilling fluids properties has been carried out. The range of nanoparticles concentration in drilling emulsions was taken from 0.25 to 2 wt%. The influence of nanosized particles on the viscosity and rheological properties, filtration and antifriction properties, as well as on the colloidal stability of oil-based drilling fluids is considered. This is the first time such a comprehensive study has been carried out. It is shown that the addition of nanoparticles to drilling fluids has a beneficial significant effect on their properties, and even a minute concentration of nanoparticles allowed to observe a change in all parameters. This indicates that the use of nanoparticles can become a promising direction in the field of further improvement of oil-based drilling fluids.
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