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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.

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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.

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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.

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

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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.

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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

Product Summary

Technical Manual

CLEO SDS (EU)

CLEO SDS (Norway)

CLEO SDS (USA)

CLEO Technical Manual
CLEO SDS Norway
CLEO SDS UK
CLEO SDS USA
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.

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