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.· SPE Nigeria Annual Internati...· 0 citations
In this study, artificially Escravos light crude oil polluted soil was remediated using oil degrading microbes isolated from petroleum polluted soil using immobilized bacteria consortium immobilized in coconut fibre and groundnut husk cellulosic materials.
S. C. Mamah, Agi Augustine, A. C. Opia et al.· SPE Nigeria Annual Internati...· 0 citations
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.· SPE Nigeria Annual Internati...· 0 citations
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