Open access
Oct 2026
Optimization and Emulsification Mechanism of a High-Density Solids-Free Drill-In Fluid System
Conventional solid-weighted drilling fluids suffer from particle settling under high-temperature and high-pressure (HTHP) conditions and easily induce irreversible reservoir pore damage, limiting safe drilling in deep HTHP reservoirs. To address these drawbacks, two solids-free water-in-oil emulsion drill-in fluid syst...
P. Xiao, Yu-Long He, Jiu-Yong Wei et al.
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