oil and gas extraction manifold on the seafloor

Coatings for Extreme Subsea Environments

Maximum protection against corrosion and high operating temperatures

Oil and gas production assets placed deep on the sea floor demand a high level of protection and performance. Extreme subsea environments allow no margin for error against aggressive corrosive conditions and elevated operating temperatures.

Protect your assets against catastrophic failures with the Sherwin-Williams line of DURA-SUB™ C liquid and powder coatings. As the only manufacturer making both powder and liquid coatings for specialized subsea applications, Sherwin-Williams is your one-stop shop for high-performing solutions.

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Subsea Coating Solutions

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Tested to perform

Sherwin-Williams DURA-SUB C coatings deliver trusted performance through prequalification to global industry standards.

Liquid coatings tested to:

NORSOK M-501 Revision 6 Systems 7C (high operating temperature over 50°C/122°F, up to 200°C/392°F) and 7B (standard operating temperature / ambient operating temperature 50°C/122°F).
The coating system also meets testing requirements of NORSOK M-501 revision 6 Coating System 7A.

Powder coatings tested to:

ISO 21809 Series.
Project specifications (based on requirements for pipe diameter, length, flexibility and other key project specs).

Protecting your assets from dockside to the seafloor

Cost Savings with Tested Materials

THE CHALLENGE
When subsea projects are delayed, materials sit dockside. When exposed to aggressive marine environments, these coated assets often experience corrosion which compromises the quality and long-term integrity of the structure.

THE COST
To prevent coated assets from being exposed to the corrosive elements, customers often construct temporary storage for protection, incurring considerable unplanned project costs.

THE SOLUTION
Sherwin-Williams invested in third-party corrosion testing of DURA-SUB C1230 for 7A for splash zone environments. The testing was done to ensure assets coated with this product and exposed to the extreme elements would not be compromised.

mud mats coated yellow with Dura-Sub C1230

Powder and liquid from one coatings supplier

Sherwin-Williams has a long history of providing high-quality products for the oil and gas industry and delivering unique value to asset owners and EPC firms.

Consistent products and unmatched service globally for dependable project execution.
Reduced touchpoints for owners, operators and producers with streamlined ordering and delivery.
Ability to evaluate a coating portfolio from one coatings team.
One point of contact to help ensure proper liquid and powder coating compatibility and project success.

DURA-SUB C powder coatings for reel lay pipelines

Accelerated installation and flexibility

THE CHALLENGE
Traditionally, pipe pieces are placed on a barge, then welded and coated at sea. After the coating and welding process, the pieces are submerged using an S-lay or J-lay.

THE COST
A barge can be very costly to operate per day, and it can take weeks at sea to install subsea pipe. This process is time consuming, including multiple barge trips to bring more pipe to construct and submerge.

THE SOLUTION
Pipe coated with DURA-SUB C powder products has the flexibility to be reeled. By using a spool lay, customers can increase the speed of installation because the pipe is pre-welded and coated onshore. In addition, coatings and welds are much safer in a controlled environment when applied on land, rather than at sea.

yellow pipe laying barge with stinger lowered laying a black pipe offshore

Dura-Sub™ C1230
A two-component, ultra high-solids, edge retentive epoxy novolac.
Macropoxy® M922
A two-component, high-solids epoxy reinforced with glass flake and anticorrosive pigments.
Macropoxy® 646
A two-component, high-solids, fast-drying polyamide epoxy mastic.

Dura-Sub™ C5200
A thermosetting, epoxy, powder coating system.
Dura-Sub™ C5400
A thermosetting, epoxy, powder coating.
Dura-Sub™ C5600
A thermosetting, epoxy, powder coating system.

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Our subsea experts outline the criteria for choosing the correct subsea coatings supplier.
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Find out how robust protective coating technologies can help extend the life of subsea equipment, reducing the total cost of operation for subsea tiebacks and helping producers protect their bottom line.
Webinar: Development of High Temperature-Resistant FBE Coatings for Subsea
Jeffrey Rogozinski details the development, performance and overall value of utilizing new subsea coating technology that can stand up to hotter temperatures and reduce total cost of asset ownership.