Dual Spacer™ Surfactant A

Halliburton’s Dual Spacer™ Surfactant A additive system has been developed for use with the Dual Spacer™ system, but it can be used with other weighted spacers such as Tuned® Spacer. The Dual

Spacer System is a low-viscosity, weighted spacer for primary and secondary cementing operations.

Dual Spacer Surfactant A system, to be used as a supplementary additive when oil-based muds are displaced, is designed to reduce interfacial viscosity and preferentially water-wet the pipe and formation to promote better cement bonding.

A required surfactant system may consist of a single component or a combination of surfactants. Dual Spacer Surfactant A system may be used alone or with other components such as SEM-7™ emulsifier, Musol® A solvent, and/or Dual Spacer® Surfactant B additives.

Since each drilling mud system tends to be unique, laboratory testing is recommended to determine appropriate surfactant components and concentration levels.

  • Helps improves spacer performance when displacing oil-based mud systems
  • Helps reduce interfacial viscosity
  • Helps to water-wet the pipe and formation to improve cement bonding
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