Offshore Coating Applications

underwater pipeline

Offshore pipeline construction presents unique challenges for operators and contractors. New technological developments allow oil and gas exploration to reach new fields to obtain the previously out of reach. As a result, coatings and insulations must adapt to the increasing water depths and higher operating temperatures that come with delivering these never-before-accessed resources to market.

Our depth of experience and expertise in coating and insulation applications helps us tackle any coating and insulation project requirement. Whether the installation is via S-lay, J-lay, or spool base, ACS designs innovative ways to apply offshore coatings and insulations.


High-Temperature Insulation

  • Maximum operating temperature of 200 °C 
  • Minimum operating temperature of -20 °C
  • Insulation thickness of 1 to 3.5 inches on pipe OD of 4 to 12 inches
  • Field joint molds up to 48 inches
  • Unlimited water depth
  • Used as thermal insulation for offshore pipelines and subsea equipment / structures
  • Can be customized to meet project-specific requirements such as lay method and thermal setting
  • Resistance to hot / wet aging
  • Thermoset material with no melting point and creep
  • Excellent adhesion to a variety of materials, including polypropylene

Flexible Field Joints for Five-Layer Polypropylene

  • Maximum operating temperature of 150 °C
  • Minimum reeling temperature of 4°C
  • Insulation thickness of 1 to 3.5 inches on pipe OD of 4 to 12 inches
  • Field joint molds up to 48 inches
  • Water depth up to 3000 meters
  • High-performance bonding to polypropylene
  • Flexible RIM composite polymer
  • Multilayer polynorbornene flow assurance for deep-water application typically used for thermal management of subsea flowlines
  • Highly flexible insulation designed to perform at high service temperatures; an alternative to IMPP

Injection Molded Polyurethane (IMPU)

  • Maximum operating temperature of 100 °C
    Insulation thickness of 1 to 4 inches on pipe OD of 4 to 12 inches
  • Field joint molds up to 48 inches
  • Water depth up to 3000 meters
  • Polyurethane (PU) subsea wet insulation system
  • PU systems for subsea application formulated to resist chemical breakdown in hot and wet service conditions
  • IMPU as a reaction-injection molding (RIM) product; PU components are blended and injected into steel molds that surround the pipe's outer surface
  • Delivers excellent thermal insulation, adhesion, impact strength, and durability across abroad spectrum of demanding installation and operating conditions

High-Density Polyurethane Foam (HDPUF) Infill

  • Maximum operating temperature of 80 °C
  • Density typically 6 to 12 lb/cubic feet free rise
  • Pipe OD 12 to 48 inches
  • Field joint width up to 36 inches wide
  • Infill thickness of 1.5 to 4 inches
  • Field joint for CWC line pipe
  • Reusable or permanent steel molds can be used based on project requirements

Anti-Corrosion Coatings

  • Standard high-temperature FBE coatings: operating temperatures of -73 °C to 180 °C
  • Low-application temperature (LAT) FBE coatings
  • Dual layer powder systems: FBE with ARO overcoats
  • Heat-shrink sleeve applications (PP / PE)
  • Three-layer flame sprayed coating systems
    • First layer - anti-corrosion FBE coating
    • Second layer - adhesive mix of FBE and polypropylene or polyethylene
    • Three layer - polypropylene or polyethylene application by flame spray

Abrasive Blasting

  • Media recycled blast recovery systems
  • Semi-automated blast rings custom-built per project requirements





Aegion Coating Services

ID Field Joint Coating
1801-A  N 170th E Avenue
Tulsa, OK 74116


OD Field Joint Coating
10655 Jefferson Chemical Rd.
Conroe, TX 77301


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