Digging Deeper and Hotter with Epoxy Coating Resins from Dow

Fusion bonded epoxy powder coats
made with D.E.R. 6508 solid epoxy
resins can withstand one of the
harshest and corrosive environments
on the planet.

Resins Provide Foundation for Corrosion Protection in High-Service Temperature Pipelines

Under a mile of corrosive sea water and more than four miles of dense earth, a metal bit grinds away at rock and molten ore. Temperatures skyrocket to more than 140 degrees Celsius (C).

This is one of the harshest environments on the planet, and it is one that we have to revisit more often as new deep pockets of oil are discovered each year. The U.S. Department of the Interior's Minerals Management Services estimates that pockets deep under the Gulf of Mexico may contain more than 50 billion barrels of oil, or approximately seven and a half years worth of energy at current consumption rates.

Digging that deep into the sea bed presents many technical and material performance challenges. Even the most advanced metals cannot withstand the combination of corrosion, pressure and heat for long periods. The oil from deep reservoirs is transported from the well to the on-shore storage tank using gathering pipelines that can operate at service temperatures up to 140°C.

Skimming the Surface
Pipe coaters have turned to fusion bonded epoxy (FBE) powder coatings made with D.E.R.™ 6508 solid epoxy resins from Dow for pipelines operating at high temperatures to guard against corrosion. Formulated properly and combined with certain multi-layer technologies, FBE coatings made with this resin has been shown to withstand temperatures up to 140°C.

"In the 1990s, cost-effective coating systems made with these resins enabled a new generation of oil transportation" explains Fabio Aguirre, the corrosion and protective coatings application technology leader at Dow. "According to our customers, some of those original coatings are still in operation today. These systems are allowing us to go places we've never been before - and we're not done yet."

Even at four miles deep, modern oil exploration is only skimming the surface. According to Aguirre, the industry is already looking for new solutions that will enable deeper exploration into even more demanding environments.

Going Deeper
"D.E.R. 6508 solid epoxy resin is a first generation product for this application" he said. "Dow plans to introduce second generation resins in the next 12 months that will enable coatings capable of withstanding even greater temperatures and allowing companies to transport oil coming from reservoirs deeper than ever before. The industry is looking for coating solutions that can withstand temperatures greater than 160°C or even 175°C. We plan to meet those needs."

Epoxy resins from Dow have been used, in some form, in the oil and gas pipeline industry for more than 30 years. Coatings based on a new generation of solid epoxy resins from Dow will allow innovation to continue, enabling products that will lead us deeper and deeper into the Earth.

__________

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