Scale Inhibitors

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Brine scale inhibitors

M-I SWACO scale inhibitors applicable in most clear-brine completion fluid systems to deter calcium carbonate, calcium sulfate, and barium sulfate scaling.

SAFE-SCAVITE II Phosphonate-base advanced calcium scale inhibitor

The SAFE-SCAVITE II inhibitor is an organic acid that inhibits scaling caused by calcium carbonate, calcium sulfate, and barium sulfate. Its effectiveness in scale inhibition enables mitigation of formation damage.

It is soluble in most water-base fluids, including calcium chloride and calcium bromide completion brines, enhancing operational flexibility. The inhibitor also exhibits good thermal stability and is intended for the entire completion fluid system.


  • Effectiveness in calcium chloride– and calcium bromide–base completion fluids
  • Mitigation of formation damage caused by precipitation of carbonate scale from calcium-containing fluids
  • Compatibility with monovalent brines

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Completion Fluid Additive

SAFE-SCALE X completion fluid additive is designed to prevent the growth of calcium carbonate, calcium sulfate, and barium sulfate scale crystals in seawater and monovalent brines.
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