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Novel micro-encapsulated phase change materials with low melting point slurry: Characterization and cementing application

Author

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  • Huo, Jin-hua
  • Peng, Zhi-gang
  • Xu, Kun
  • Feng, Qian
  • Xu, De-yang

Abstract

The lower heat of hydration and temperature rise of slurry were required for hydrates formation cementing, the traditional experimental methods often result in a great reducing in the application performances. Therefore, the organic and inorganic composites were applied to develop a novel cement slurry, which could be used for hydrates layer in deep-water region or permafrost. Firstly, the micro-encapsulated phase change materials (MPCM) containing low melting point paraffin wax with urea formaldehyde resin shell was prepared by the method of in situ polymerization, the basic performances of MPCM, such as chemical structure, encapsulation rate and phase change properties, were studied. Secondly, the slag and fly ash were firstly added into class G oil well cement to reduced the heat of hydration and temperature profiles through chemical means. Then, the MPCM was added and applied to control the heat evolution and regulate temperature profiles, and a novel micro-encapsulated phase change materials with low melting point slurry was provided. Based on above study, a low temperature profiles and hydration heat cement slurry was developed by using organic and inorganic composites, and the developed slurry could be well applied in deep-water region or permafrost cementing to prevent the destabilization of hydrates.

Suggested Citation

  • Huo, Jin-hua & Peng, Zhi-gang & Xu, Kun & Feng, Qian & Xu, De-yang, 2019. "Novel micro-encapsulated phase change materials with low melting point slurry: Characterization and cementing application," Energy, Elsevier, vol. 186(C).
    • Handle: RePEc:eee:energy:v:186:y:2019:i:c:s0360544219316044
    DOI: 10.1016/j.energy.2019.115920
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    Citations

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    Cited by:

    1. Emiliano Borri & Nan Hua & Adriano Sciacovelli & Dawei Wu & Yulong Ding & Yongliang Li & Vincenza Brancato & Yannan Zhang & Andrea Frazzica & Wenguang Li & Zhibin Yu & Yanio E. Milian & Svetlana Ushak, 2022. "Phase Change Slurries for Cooling and Storage: An Overview of Research Trends and Gaps," Energies, MDPI, vol. 15(19), pages 1-17, September.
    2. Túlio Nascimento Porto & João M. P. Q. Delgado & Ana Sofia Guimarães & Hortência Luma Fernandes Magalhães & Gicelia Moreira & Balbina Brito Correia & Tony Freire de Andrade & Antonio Gilson Barbosa de, 2020. "Phase Change Material Melting Process in a Thermal Energy Storage System for Applications in Buildings," Energies, MDPI, vol. 13(12), pages 1-32, June.
    3. Yang, Guokun & Liu, Tianle & Aleksandravih, Blinov Pavel & Wang, Yazhou & Feng, Yingtao & Wen, Dayang & Fang, Changliang, 2022. "Temperature regulation effect of low melting point phase change microcapsules for cement slurry in nature gas hydrate-bearing sediments," Energy, Elsevier, vol. 253(C).
    4. Guokun Yang & Tianle Liu & Hai Zhu & Zihan Zhang & Yingtao Feng & Ekaterina Leusheva & Valentin Morenov, 2022. "Heat Control Effect of Phase Change Microcapsules upon Cement Slurry Applied to Hydrate-Bearing Sediment," Energies, MDPI, vol. 15(12), pages 1-21, June.
    5. Zhang, Wenhui & Zhang, Hang & Liu, Shuhui & Zhang, Xingxiang & Li, Wei, 2024. "Preparation and crystallization behavior of sensitive thermochromic microencapsulated phase change materials," Applied Energy, Elsevier, vol. 362(C).

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