NRI Results

18″ OD High Pressure Repair in South Korea

In South Korea, a high pressure refinery pipe was suffering of internal corrosion. The refinery required a repair was necessary to restore the 50” section of 18” OD pipe to its original design strength and keep the system in working order. The below case study shows how NRI’s Thermo-Wrap CF was able to restore the […]
Read more

2″ OD Natural Gas Leak Fixed with Trident Seal Composite

A 2″ OD Natural gas pipe has suffered six leaks and found to be migrating around the threads of the shut off valves of the 2” OD pipes which were operating at a pressure of 45 psi (3 bar). Shutting down the leaking gas lines in order to replace the defective valves was not an […]
Read more

22″ Offshore export riser repair with Thermo-Wrap CF

A 22″ offshore export riser pipeline in Indonesia was experiencing severe external corrosion, which required an immediate repair because of a high failure risk. The corrosion issue was not only on the main line but also extended onto the secure clamp. NRI’s Thermo-Wrap CF/Carbon Fiber system was used to contain this 1500 psi high pressure […]
Read more

16″ OD Flare Line Rehabilitation with NRI’s composites

An NDT inspection revealed a high condensation of H2S gas had caused internal corrosion in several places in a petroleum company’s flare line. During the inspection corrosion was located all over the pipe, including complex geometries such as elbows and tees. In some places, the steel was so compromised by the corrosion, that ordinary means […]
Read more

48″ Steel Pilings Impact, Abrasion and Corrosion Protection

Traditional coating systems used on steel pilings can get easily damaged due to abrasion and impact action caused by tidal changes and unfavorable weather conditions. Take a look at the case study below to see how NRI’s Syntho-Shield can not only be used as a sacrificial coating to protect lines against external damage, but also […]
Read more

30″ OD HDD Coating Protection for Pull Back Protection

HDD pipelines are often challenged with coating damage from the abrasion of pull back. Girth welds require a field applied coating where the bond strength is less than that of the factory applied coatings and the raised height of the weld becomes a target for damage. Repairing coating damage is often costly; excavation costs alone […]
Read more

Repair of a 10″ Kerosene pipe with severe internal corrosion

A Kerosene pipe in a US Gulf Coast refinery was experiencing aggravated internal corrosion. Most standard repairs couldn’t handle the high temperature of 255F (124C), and shutting the pipe down would mean hundreds of thousands in lost revenue. One NRI product was able to solve the problem with ease, and in no time! Take a […]
Read more

42″ pre-stressed concrete pipe (PCCP) composite repair

NRI’s composites are not limited to metallic pipes. The city of Orlando in Florida had issues with a leaking 42″ pre-stressed concrete pipe (PCCP). Since this was a force main line, it couldn’t be shut down, and the alternative to cut-and-replace was out of the question. Read more below to learn why the best solution […]
Read more

NRI-U Fixes 1.2 million gallon/hour sewer line in Michigan

The City of Kalamazoo had driven a wooden dowel into a 2” diameter hole in a concrete raw sewage force main pipe. NRI was called out to reinforce the repair and the surrounding pipe. However, initial inspection revealed an additional 1” hole adjacent to the repair.
Read more

20″ Monoblock Rehabilitation in Mexico

Flanges and mono-blocks are extremely difficult to repair, especially if there is a live leak. The geometry of the monoblock is a limiting factor in the application of most repair methods. The client decided to use NRI’s composite repair solutions in order to mold the repair around the 90 degree angles of the pipe. Read […]
Read more