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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

E. O. Nwaichi

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Conference Aug 2026

Development and Performance Assessment of Sulfonated Lignin Nanoparticles as a Bio-Based Retarder for High-Temperature Oil Well Cementing

Conventional cement retarders tend to raise slurry viscosity, impair pumpability, reduce compressive strength, and shorten effective thickening time, thereby complicating cement placement in deep wells. In this study, sulfonated lignin nanoparticles (SLNPs) derived from empty fruit bunch (EFB) biomass were developed...

P. I. Nwaichi, N. Ridzuan, E. O. Nwaichi et al. · 0 citations
Conference Aug 2026

Retarding Mechanisms of Sulfonated Lignin Nanoparticles for Oilwell Cement Slurries at High-Temperature Conditions

Oilwell cementing in high-temperature, high-salinity reservoirs requires retarders capable of maintaining slurry stability, pumpability, and favorable rheological performance under severe downhole conditions. Conventional retarders, including sodium gluconate (SG) and sodium borate (SB), often suffer from thermal deg...

P. I. Nwaichi, N. Ridzuan, E. O. Nwaichi et al. · 0 citations

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