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Asphasol Supreme
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Asphasol Supreme

Brand: Federal Wholesale
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Asphasol 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

Documentation

Product Specifications

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