Abstract
This work aimed to evaluate the effect of the addition of fine solids with different mineralogical compositions on the physical properties of olefinic fluids used in pre-salt wells. The fluids were added with 5% of each mineral (clay, silica, carbonate or halite) separately and characterized by rheological properties, filtrate volume and separated volume. According to the results, bentonite act as a physical barrier, improving aged fluid behavior, leading to a 66.67% decrease in separated volume. On the other hand, halite has presented a negative effect on fluid properties and resulted in an increase of 88.89% in separated volume.
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