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Product Information

MS-8 is a unique solvent specifically formulated to provide mutual solvency, wettability modification, and to break and prevent water-oil emulsions. Its primary application is as a mutual solvent for stimulation and workover fluids used in treating oil and gas producing wells or injection/disposal wells. MS-8 is very effective at destabilizing existing emulsions and preventing the formation of further emulsions in both aqueous and hydrocarbon systems. MS-8 offers the additional benefit of shale and clay stabilization: the molecule contacts clay minerals and forms a protective layer, which prevents dissolution of the key cationic components.

At concentrations of 10% to 20% in water, MS-8 is an excellent non-emulsifier for spearhead applications ahead of frac fluids that may have the potential to emulsify with formation oil or condensate.


  • EGMBE (2-BE) free chemistry
  • Breaks and prevents emulsions
  • Excellent water wetting
  • Reduces surface tension
  • Can be added to water/brine/acid/hydrocarbon systems
  • Clay/shale stabilizer
  • Non-toxic, non-flammable
  • Fully dispersible in platinum acid at any concentration: does not "oil out" antisludge agents
  • Can make Class II acid blends into Class I acid at relatively low concentrations