Construction, Properties and Mechanism of Polymer/Organic Compound High Temperature Retarder for Oil and Gas Exploration and Development

IF 1.4 4区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Advances in Cement Research Pub Date : 2022-05-13 DOI:10.1680/jadcr.21.00047

Jin‐hua Huo, Xing Zhang, Ruizhi Zhang, Bai-song Yu

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引用次数: 4

Abstract

During the process of oil and gas exploration and development, cementing operation is the key factor to ensure oil well productivity release, and the performance of additives is directly related to the success or failure of cementing. In this study, the polymer retarder PID-1 was synthesized by aqueous solution polymerization, the chemical structure, thermal stability and micro-structure of PID-1 were studied by infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy. Moreover, the retarding effect and mechanism of PID-1 was analyzed based on low field nuclear magnetic resonance analysis, adiabatic calorimetry and scanning electron microscopy. Then, the polymer/organic compound high temperature retarder PID-2 was constructed by adding organic compound PN with well retarding property, and then the retarding effect, thickening property, temperature and dosage sensitivity of PID-2 were investigated. Combined with porosity evolution, type and content of hydration products, the internal mechanism of retarder PID-2 on early mechanical strength development of cement slurry system was revealed.

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油气勘探开发用高分子/有机复合高温缓速剂的结构、性能及机理

在油气勘探开发过程中，固井作业是保证油井产能释放的关键因素，添加剂的性能直接关系到固井的成败。本研究采用水溶液聚合法合成了聚合物缓凝剂PID-1，并通过红外光谱、热重分析和扫描电子显微镜对其化学结构、热稳定性和微观结构进行了研究。此外，基于低场核磁共振分析、绝热量热法和扫描电子显微镜，分析了PID-1的缓凝作用及其机理。然后，通过添加具有良好缓凝剂性能的有机化合物PN，构建了聚合物/有机化合物高温缓凝剂PID-2，并对PID-2的缓凝剂效果、增稠性能、温度和剂量敏感性进行了研究。结合孔隙率的演变、水化产物的类型和含量，揭示了PID-2缓凝剂对水泥浆体系早期力学强度发展的内在机制。

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来源期刊

Advances in Cement Research 工程技术-材料科学：综合

CiteScore

3.70

自引率

5.00%

发文量

审稿时长

3.2 months

期刊介绍： Advances in Cement Research highlights the scientific ideas and innovations within the cutting-edge cement manufacture industry. It is a global journal with a scope encompassing cement manufacture and materials, properties and durability of cementitious materials and systems, hydration, interaction of cement with other materials, analysis and testing, special cements and applications.