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Home > Products > Oil well drilling fluid & Mud > Drill Mul


Product Description

DRILL MUL is a secondary invert emulsifier based on a chemically modified fatty acid condensate. DRILL MUL is oil soluble, water dispersible and is compatible with most products employed in oil based drilling fluids. DRILL MUL uses diesel/methanol solvent, but can be formulated in low toxic solvent for more environmental control and is coded as DRILL MULES. DRILL MUL when used in conjunction with DRILL VERT will give stable invert mud that eliminates or reduces the need for additional fluid loss control additives.

Typical Physical Properties

Appearance: Reddish dark brown

Specific Gravity @ 20° C: 0.88 to 0.91 Gr/Cm3

Viscosity @ 20° C: Less than 50 Cps.

Pour Point: Below 10° C.

Solubility: Diesel

Product Application Details

DRILL MUL is an excellent emulsifier for water in oil drilling fluids and may be used with a variety of brine emulsions. DRILL MUL is designed to improve the stability of emulsions at 3 – 6 lb/bbl, aid in gel strength control and improve the fluid loss characteristics of drilling fluids.


DRILL MUL exhibits excellent performance with regard to a range of temperatures and contaminants. DRILL MUL can be employed as a single emulsifier, however it is usually recommended that it be used in conjunction with a primary emulsifier such as DRILLVERT N or a wtting agent.

Product Handling Details

DRILL MUL contains methanol and, any spillages etc., should be treated as for methanol. If DRILL MUL is swallowed, or there is contact with the eyes, seek medical attention.

Product Packing Details

DRILL MUL is packaged in US gallon drums