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REINFORCEKiT® 4D, External corrosion with metal loss – North America
High-performance composite repair solution for pipe reinforcement

Overview

The aim of the repair, performed in June 2023 by 3X ENGINEERING (3X) local distributor was to reinforce a 28" oil pipeline damaged by external corrosion. To restore pipe integrity and prevent further deterioration, it was decided to repair the defected area using 3X composite repair solution REINFORCEKIT® 4D (R4D).

Results

Samples of resin were taken during each tape impregnation for quality control and hardness measurements were performed after job completion and concluded this successful repair designed for a repair lifetime of 20 years. Congratulations to our new distributor for this first quality job!

Defect type
 External corrosion with metal loss
Details
 28" oil pipeline, straight line, pipe design temp. 145°F, pipe design pressure 450 psi
Location
 North America
3X Product type
 REINFORCEKiT® 4D

SCOPE OF WORK


According to ASME PCC-2 standard and 3X calculations, it was decided to apply R4D using R3X95 resin to suit with the technical specificities of the pipe. Surface preparation was completed using Bristle Blaster® machine to achieve a good surface state and surface profile (superior to 60µm Rz) and ensure a good bonding between the pipe and the composite repair system. Then hygrometric conditions were checked and the whole prepared surface were degreased and cleaned using acetone.

The composite repair was then completed following the main stages mentioned below:

  1. 3X filler application over the defect to provide good adhesion of the composite material.
  2. One layer of R3X95 resin was applied on the whole prepared surface to ensure the good impregnation of the first tape layer.
  3. Composite wrapping was then completed using Kevlar® tape impregnated with R3X95 resin. Four layers were applied for a total repair length of 556mm.
  4. Last layer of R3X95 resin was applied all over the repair as finalization stage and id plate was installed over the reinforcement for traceability.
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