Welan gum used in Drilling mud additive

Welan gum used in Drilling mud additive
Functions
Control filtration rates and viscosity
Retard shale swelling and disintegration
Provide supplementary viscosity in water, sea water, and brine based fluids
Advantages
Good resistance to salt, can work in fresh water, salt water, brine based drilling fluids.
Can obtain desirable viscosity even at low dosage.
Can sustain high temperature up to 150 ºC.
Effective under moderate to high pH environment.
Don't need bactericide
Environment friendly

Drilling mud additive

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