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As shown in Table 2, SDFL exhibited superior performance over the investigated products and could reduce fluid loss value by 86%.
Other two same types of fluid loss addive, modified 1# and 2#, gave less effecient filtration control, thicker filter cake and lower electrical stability than SDFL.
In contrast to outstanding filtration property of SDFL, modified rosin introduced significant increase in the fluid loss and formed a filtercake with a poor quality.
So it is necessary to investigate the anti-contamination ability of SDFL against drill solids and brine water.
In addition, the SDFL treated muds exhibited more excellent filtration control performance: possibly due to much more bridged and deformed brine droplets incorporated into muds.
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- SDF-1 receptor