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Assessment of the Performances of Carboxylic Acid Monomers as Fluid Loss Additives for Oil-Well Cement

Hexing Liu1, Yi Huang1, Jinlong Zheng1, Ye Tian1, Mengran Xu2,*, Huajie Liu2

1 Zhanjiang Branch of CNOOC (China) Co., Ltd., Zhanjiang, 524057, China
2 School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China

* Corresponding Author: Mengran Xu. Email: email

(This article belongs to this Special Issue: Dynamics and Materials Processing in Petroleum Engineering)

Fluid Dynamics & Materials Processing 2022, 18(4), 999-1013.


The application of polycarboxylic acid as a fluid loss additive for cement (i.e., a substance specifically designed to lower the volume of filtrate that passes through the cement) can prolong the thickening time of cement slurries. Given the lack of data about the effects of carboxylic acid monomers as possible components for the additives traditionally used for oil-well cement, in this study different cases are experimentally investigated considering different types of these substances, concentrations, temperatures, and magnesium ion contamination. The results demonstrate that itaconic acid has a strong retarding side effect, while maleic and acrylic acids have similar influences on the thickening time of the cement slurry. The rheological properties of the cement slurry tend to deteriorate when the carboxylic acid monomer content in the fluid loss additive is increased to 40%. If the temperature exceeds 80°C, there is a significant decrease in the related impact on the thickening duration. With an increase in the intrusion of magnesium ions to >0.5%, both the rheological properties of the cement slurry and the thickening time are affected in a negative way.


Cite This Article

Liu, H., Huang, Y., Zheng, J., Tian, Y., Xu, M. et al. (2022). Assessment of the Performances of Carboxylic Acid Monomers as Fluid Loss Additives for Oil-Well Cement. FDMP-Fluid Dynamics & Materials Processing, 18(4), 999–1013.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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