Schlumberger

ScaleSOLV Carbonate Scale Dissolver

Remove scale chemically without corrosion

ScaleSOLV carbonate scale dissolver (CSD) removes oilfield scales effectively without severely corroding tubulars and downhole completion equipment. It is an organic scale dissolver for

  • applications where using other mineral or organic acids is not desirable
  • calcium carbonate and is also effective against iron carbonate and iron oxide scales
  • use with high-chromium steels, fragile tubing, and acid-sensitive formations.

ScaleSOLV dissolver has a higher dissolving capacity than either formic or acetic acid and is essentially noncorrosive, thus eliminating the need for corrosion inhibition. The optimized CSD formulation, which dissolves carbonate scales by a combination of proton release and chelation, 

  • has a high reaction rate and a very high dissolving capacity compared to standard organic acids
  • has a very low corrosion rate on mild steel (N80, J55, P105)
  • can be used on 13% chrome steels without corrosion inhibition.

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