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Asphasol Supreme
Brand: Federal WholesaleAsphasol Supreme sulfonated-asphalt shale inhibitor is used to aid in stabilizing shale sections, controlling solids dispersion, and improving filter cake characteristics.
It is also used as a supplemental high-temperature fluid-loss additive for water-based drilling fluid systems.
This inhibitor is a free-flowing powder and can be added directly to the mud system through the mixing hopper.
It is not necessary to pre-mix Asphasol Supreme inhibitor with oil. It contains no surfactants.
Normal concentrations of this inhibitor range from 3 to 6 lbm/bbl [8.6 to 17.1 kg/m3] for shale stabilizing control and 6 lbm/bbl [17.1 kg/m3] for high-temperature fluid-loss control.
Features- Improves borehole stability
- Can be used in nonaqueous fluid (NAF) applications
- Easy to handle and mix
- Plugs microfractures and seals shales
- Inhibits swelling and water-wetting of shales
- Reduces HPHT fluid loss
- Reduces torque and drag
- Improves filtercake quality
- Increases drilling fluid lubricity
Specifications
Brand
Physical Appearance
- Fine Black Gray Powder
Specific Gravity
- 1.40-1.65
pH (1% Solution)
- 7-10
Solubility in Water
- 65 % to 80 % at 72° F
- Stabilize Shales
- Control Solids Dispersion
- Improve Wall-Cake Characteristics