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Product Overview

ENVIROSOL CLEO is designed for use as a subsea production control fluid in both open (discharge to sea) and closed (return) systems.

ENVIROSOL CLEO has a wide operational temperature range (between -45 °C to 250 °C / 482 °F) and is qualified across a wide range of industry equipment and to industry standards.

ENVIROSOL CLEO also boasts a massive compatibility dataset in relation to metals and elastomers, making it suitable for both Ultra HP/HT and more conventional subsea projects.

This low viscosity environmental oil demonstrates excellent lubricity/anti-wear, corrosion protection, freeze protection, hydrate protection, stability and all round technical performance.

ENVIROSOL CLEO is environmentally acceptable for use in OSPARCOM countries, boasting a 'Yellow' status (Norway), an OCNS Class E (UK) and meets GOM toxicity requirements.

Typical Physical Properties
CLEO Typical Physical Properties Chart

Note these properties are typical for the product but do not constitute a specification.

Key Properties
  • Wide Temperature Range (-45 °C to 250 °C / 482 °F)

  • Excellent Lubrication and Anti-wear Properties

  • Excellent Anti-corrosion Properties

  • Outstanding Environmental Properties

  • Yellow / OCNS E for Discharge

  • Meets toxicity requirements for GOM

  • Protection Against Vapour Phase Corrosion

  • Outstanding Long Term Fluid Stability

  • Extensive Material & Equipment Qualification

Product Downloads
CLEO Technical Manual
CLEO Product Summary
Did You Know...

CLEO has been qualified with a very wide range of subsea equipment including DCV's, DHSV's, Steel Line and Thermoplastic Umbilicals.

CLEO has also been tested based on API 17F with several hundred metals/elastomers commonly used in subsea systems.