Synthesis and Properties of a Low-Viscosity and Acid-Resistant Retarding Agent

IF 1.3 4区工程技术 Q3 CHEMISTRY, ORGANIC Petroleum Chemistry Pub Date : 2024-10-24 DOI:10.1134/S0965544124060112

Haiyang Tian, Yunfeng Shi, Xiaoping Qin, Lunhuai Sheng, Zhenghao Yang, Jiapeng Zheng, Tong Peng, Qionglin Shi, Jiayu Duan, Shuangyan Feng

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Abstract

In order to enhance the acid resistance and injection ability of retarded acid and to achieve a deep acidification, a low-viscosity acid-resistant retarding agent (LVAR) was synthesized via radical aqueous polymerization using 2-acrylamido-2-methyl-1-propanesulfonicacid (AMPS), [2-(methacryloyloxy)ethyl] trimethylammonium chloride (DMC), and N,N′-dimethyl hexadecyl allyl ammonium chloride (C₁₆DMAAC) as monomers. The acid, temperature, and salt resistance of LVAR, as well as its retardation and compatibility characteristics were analyzed using viscometer, scanning electron microscope, and the acid rock dissolution experiment. The results showed that the viscosity of a 1.0% LVAR-retarded acid solution was only 4.5 mPa s, which represented a low-viscosity effect. After 4 h of incubation at high temperature (90°C), LVAR-retarded acid remained clear and transparent, and showed good acid resistance. The corrosion rate of 1.0% retarded acid solution at 35 and 95°C was 37.4 and 71.2%, respectively, indicating a good retardation performance. These findings may provide new insights for the study of low-viscosity and acid-resistant retarding agents.

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低粘度耐酸缓凝剂的合成与特性

为了提高缓凝酸的耐酸性和注入能力，实现深度酸化，本研究采用 2-丙烯酰胺基-2-甲基-1-丙磺酸（AMPS）通过自由基水聚合合成了一种低粘度耐酸缓凝剂（LVAR）、[2-(甲基丙烯酰氧基)乙基]三甲基氯化铵（DMC）和 N,N′-二甲基十六烷基烯丙基氯化铵（C16DMAAC）为单体，通过自由基水聚合反应合成了 LVAR。利用粘度计、扫描电子显微镜和酸性岩石溶解实验分析了 LVAR 的耐酸性、耐温性、耐盐性及其缓凝性和相容性。结果表明，1.0% 的 LVAR 缓凝酸溶液的粘度仅为 4.5 mPa s，具有低粘度效应。在高温（90°C）下培养 4 小时后，LVAR 缓蚀酸仍保持清澈透明，表现出良好的耐酸性。1.0% 的缓蚀酸溶液在 35 和 95°C 下的腐蚀率分别为 37.4% 和 71.2%，表明缓蚀性能良好。这些发现可为低粘度耐酸缓凝剂的研究提供新的启示。

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来源期刊

Petroleum Chemistry 工程技术-工程：化工

CiteScore

2.50

自引率

21.40%

发文量

102

审稿时长

6-12 weeks

期刊介绍： Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas. Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.