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What is Guar Gum in Water-Based Drilling Fluids about?

Guar gum is a modified, high molecular weight polysaccharide used as an effective and fast-acting viscosifier for water-based drilling fluids in top-hole sections. It provides viscosity and solids suspension in fresh water and brine systems. Guar gum provides thixotropic properties and a non-Newtonian flow profile over a wide range of salinities at low concentrations but will degrade within 24 hours requiring a biocide to prevent loss of viscosity. It is supplied in 25 kg paper sacks and used between 0.5 to

Author

Moatz Hamed

Language

EN