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Chemcial Industry and Engineering 2024, Vol. 41 Issue (6) :70-74    DOI: 10.13353/j.issn.1004.9533.20230518
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Preparation and performance study of high temperature resistant fluid loss additive
CAO Chengzhang1, CHANG Qinglu2,3, HU Miaomiao2,3, GUO Jintang2,3
1. Sinopec Shengli Oilfield Service Corporation, Shangdong, Dongying 257064, China;
2. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
3. Zhejiang Institute of Tianjin University (Shaoxing), Zhejiang, Shaoxing 312000, China

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Abstract In order to improve the fluid loss performance of oil well cement at high temperature, a high temperature resistant fluid loss additive FLA-2 was synthesized by free radical copolymerization using 2-acrylamide-2-methylpropanesulfonic acid (AMPS), N, N-dimethylacrylamide (DMAA), itaconic acid (IA) and high temperature resistant cyclic monomer S as raw materials in the presence of initiator APS. The fluid loss additive FLA-1 was synthesized by AMPS, DMAA and IA as a comparison sample, and the performance of the fluid loss additive FLA-2 after adding the high temperature resistant monomer S was analyzed. The results showed that the water loss of cement containing FLA-2 was 22 mL in a salt water system with a salt mass fraction of 15%, which was significantly reduced by 21.4% compared with that of cement containing FLA-1.
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Articles by authors
CAO Chengzhang
CHANG Qinglu
HU Miaomiao
GUO Jintang
Keywordsoil well cement   high temperature resistance   fluid loss agent     
Received 2023-06-18;
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CAO Chengzhang, CHANG Qinglu, HU Miaomiao, GUO Jintang.Preparation and performance study of high temperature resistant fluid loss additive[J]  Chemcial Industry and Engineering, 2024,V41(6): 70-74
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