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An NMR Investigation of the Influence of Cation Content in Polymer Ion Retarder on Hydration of Oil Well Cement

Author

Listed:
  • Zhigang Qi

    (Drilling Technology Research Institute, Sinopec Shengli Petroleum Engineering Co., Ltd., Dongying 257017, China)

  • Yang Chen

    (Drilling Technology Research Institute, Sinopec Shengli Petroleum Engineering Co., Ltd., Dongying 257017, China)

  • Haibo Yang

    (Drilling Technology Research Institute, Sinopec Shengli Petroleum Engineering Co., Ltd., Dongying 257017, China)

  • Hui Gao

    (Drilling Technology Research Institute, Sinopec Shengli Petroleum Engineering Co., Ltd., Dongying 257017, China)

  • Chenhui Hu

    (School of Energy Resources, China University of Geosciences, Beijing 100083, China)

  • Qing You

    (School of Energy Resources, China University of Geosciences, Beijing 100083, China)

Abstract

Low field pulse nuclear magnetic resonance (LF-NMR) was used to analyze the effects of a polymeric ion retarder and the amount of acryloxyethyl trimethylammonium chloride (DMC) in the retarder on the distribution of T 2 , thickening property, and strength of cement paste. The effect of pressure and temperature on the thickening curve was investigated, and the hydration products were analyzed using XRD. The result shows that the wrapped water of the precipitation is the main reaction aqueous phase of cement slurry in the hydration, with short T 2 time and a large relaxation peak area. The retarder weakens the van der Waals force and electrostatic adsorption force between the water and cement particles, reducing the hydration rate of cement particles. An appropriate increase in the cationic content of polymeric ion retarder can improve the early strength of cement slurry.

Suggested Citation

  • Zhigang Qi & Yang Chen & Haibo Yang & Hui Gao & Chenhui Hu & Qing You, 2022. "An NMR Investigation of the Influence of Cation Content in Polymer Ion Retarder on Hydration of Oil Well Cement," Energies, MDPI, vol. 15(23), pages 1-10, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8881-:d:983230
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    Cited by:

    1. Daoyi Zhu, 2023. "New Advances in Oil, Gas, and Geothermal Reservoirs," Energies, MDPI, vol. 16(1), pages 1-4, January.

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