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Duoline® Technologies Ricewrap® Literature Now Available Online
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Duoline® Technologies --- the global leader in fiberglass internal lining systems --- announces the availability of the Ricewrap® Literature at: /web_size_img/PDF/Ricewrap.pdf

RICEWRAP® is a protective wrap of fiberglass epoxy externally applied and bonded to steel pipe.


  • External corrosion protection on down hole tubing.
  • Used between injection mandrels and/or packers in multi-zone completions.
  • Material: Filament wound fiberglass-epoxy.
  • Thickness: Nominal thickness 0.100"
  • Working Temperature: -29° C (-20° F) to 121° C (250° F).
  • Sizes: 2-3/8" through 7.0" OD.
  • Consult Duoline Technologies for custom applications.


  • An external corrosion barrier ring is used to protect the threads of the connection.
  • External corrosion barrier ring is compressed during field makeup.
  • The corrosion barrier ring provides for hassle-free break-out and reassembly in the field.
  • Epoxy kit is available to repair installation and handling damage.

Duoline 20® manufactured by DUOLINE® Technologies, is a filament-wound, fiberglass-reinforced epoxy liners that reliably beat corrosion. Since 1964, more than 100 million feet of Duoline® liners have been successfully installed worldwide as a more robust alternative to plastic coatings, and as a high-performance, high-value, cost-effective alternative to Corrosion Resistant Alloys.

Petrosmith, in Abilene, Texas offers a wide variety of tubulars, pumping units, wellheads and hook-ups, as well as downhole equipment ranging from packers to cementing machinery. Petrosmith also offers DUOLINE® Technologies liners. For more information about Petrosmith, visit: http://petrosmith.com/

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