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November 4, 2025

Advanced Cementing Solutions for Ultra-Deep Slimhole Wells: Overcoming High-Temperature and Cross-Flow Challenges

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Authors

DBDaniel BarretoEdinburgh Napier UniversityACAlberto Machado CruzCentre National de la Recherche ScientifiqueFCFelipe González CastroArizona State University

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Implication

Field results demonstrate improved zonal isolation in ultra-deep wells, highlighting tailored cement systems may lower carbon emissions and enhance well integrity.

Key Points

  • Cement system improved zonal isolation, mitigating contamination from potential crossflow during hydration.
  • Field tests showed effective cement bond logs indicated improved bonding efficiency and reduced risk of fluid migration.
  • Innovative barriers incorporated high-temperature additives, elastic agents, and expansive components to counteract shrinkage and enhance mechanical performance.
  • Results support more efficient resource consumption and reduced carbon emissions during well construction and remediation.

Cite This Study

Barreto et al. (2025) studied this question.

synapsesocial.com/papers/690945348f2297dc13532dd0https://doi.org/10.2118/228922-ms
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