Salt-Tolerance Performance of Oil Well Cement Fluid Loss Additive SSS/HAM/IA

Abstract:

In order to study the effect of brine environment on the performance of oil well cement fluid loss additive (FLA) sodium p-styrene sulfonate/N-methylol acrylamide/itaconic acid (SSS/HAM/IA), the water loss of three different cement slurry systems added with different FLA additions (fresh water cement slurry, semi-saturated brine cement slurry and saturated brine cement slurry) were tested at 90°C and 150°C. The results show that SSS/HAM/IA has good salt tolerance. The water loss of three cement slurry systems was controlled within 100mL with FLA addition adjusted in the range of 1%~3% below 150 °C. The salt tolerance mechanism of SSS/HAM/IA was analyzed based on the microstructure of the three system terpolymer solutions characterized under environmental scanning electron microscopy (ESEM).

• Periodical: Materials Science Forum (Volume 993)
• Pages: 1351-1355
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.993.1351
• Online since: May 2020
• Authors: Wei Yuan Xiao, Ming Li*, Dong Bo Xie
• Keywords: Fluid Loss Additive, Oil Well Cement, Salt Tolerance

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