DiamondWrap®

VenezuelaPIPE DETAILS304.8-mm (12-inch) diameter naphtha line with internal corrosion over 94 meters (308 feet)Many T’s and elbows along the length of the line176.7° C (350° F) operating temperature/ Installed at 76.7° C (170° F)4.8 bar (70 psi) design pressureSummary 8-mm (12-inch) diameter naphtha line had sustained extensive internal corrosion A vertical length of 94 meters […]

United StatesPipe DetailsA 12-inch (305-mm) carbon steel pipe transporting harsh chemicals suffered a pinhole leak caused by internal corrosion43° C (109.4° F) Operating Temperature148 C (298.4° F) Design Temperature-5° C (23° F) Ambient Temperature During InstallationSummaryInternal corrosion caused a pinhole leak on a 12-inch (305-mm) carbon steel pipe transporting harsh chemicals4 layers of axial strips […]

BahrainPipe Details 42-inch (1,067-mm) gas pipeline had suffered from corrosion over a length of 100 ft (30.5 m) 113º F (45º C) ambient environment Pipe on supports 26.2 ft (8 m) above ground level SummaryInternal corrosion caused a leak in a 42-inch (1,067-mm) flare line carrying aggressive gases at a Middle East refineryThe damaged line […]

Czech Republic Pipe Details 25-mm (0.98-inch) crack in a 900-mm (35.4-inch) diameter gas line 14.5 mm (0.57 inch) original wall thickness 64 bar (928.2 psi) Operating Pressure 6 °C (43°F) Operating Temperature 13.5°C (56°F) Ambient Temperature Summary 25-mm (0.98-inch) crack in a 900-mm (35.4-inch) diameter gas line A team of 4 local CSNRI trained and certified […]

BahrainPipe Details A 711-mm (28-inch) carbon steel pipeline that was transporting crude oil was damaged by an explosion 343 mm by 114 mm (13.5 by 4.5 inch) hole needed repair 10 bar (145 psi) Operating Pressure Summary An explosion caused a 343 mm by 114 mm (13.5 by 4.5 inch) hole in a 711-mm (28-inch) […]

Czech RepublicPipe Details2,000-mm (78.7-inch) diameter flare line 10 m (32.8 feet) above the ground40% internal corrosion+100° C (212° F) Design Temperature40° C (104° F) Ambient Temperature During InstallationSummaryA 2,000-mm (78.7-inch) diameter flare line connector pipe had sustained extensive internal corrosionA 1-meter (3.28-foot) length of connector pipe needed emergency repair.CSNRI trained and certified technicians used specially […]

TEXAS, USAPipe Details 4” pipe 2,350 psi Temperature: 375oF Urea Offgas From Stripper Internal Corrosion Summary A plant in Texas came to CSNRI with internal thinning occurring on a 4” diameter long-radius elbow with Urea offgas flowing from the stripper. At a high pressure of 2,350 psi, thinning pipe is at danger of explosion. Agrium […]

SINGAPOREPipe Details Refining Company Ambient temperature to 80 C Pressure: 50psig Sulfur acid concentration 4% – 98% weight 18″ pipe 100% assumed wall loss Summary Sulfuric Acid discharge in the pipe can be in the range of concentration 4 to 98% weight so creating a very corrosive environment. Existing competitor wrap did not perform up […]

MEXICOPipe Details Offshore Operator Pipe Diameter: 12.75” Operating Pressure: 150 psig Design Pressure: 225 psig Pipe Contents: Firewater Line Pipe Defect: Severe Cracking Summary One of our partners reached out to us about their client’s 12” firewater line that was beginning to crack due to stress and corrosion. Keeping this line operational was vital to […]

CARIBBEANPipe Details 20”, 24”, 30”, 36” and 42” pipe 200 psig operating pressure 200 psig design pressure Crude oil pipeline External Corrosion SummaryThese pipeline was part of an offshore tanker filling station. The piping was suffering from external corrosion at the water/air interface. Pipeline risers were at risk of structural failure and could have developed […]

Floating roof tanks suffering external corrosion from ground moisture. CSNRI designed several patch repairs for each corroded area.

SAUDI ARABIAPipe Details National Oil Company Abu Ali Island, Saudi Arabia 24” pipe Design Pressure: 45 psi Pipe Contents: Flare Gas General internal corrosion, 195 linear meters total repair length Summary This flare line was suffering from ongoing internal corrosion. CSNRI was approached to design a repair to extend the service life of this line […]

USAPipe Details Large Refinery Pipe Diameter: 1”-16” Design Pressure: 700 psi Sour water pipeline Internal corrosion at all welds in this section of piping. Summary Poor heat-treating practice led to failing welds in the Heat-Affected Zone (HAZ). These failing welds were then wrapped with a competitor’s discount fiberglass repair product. This repair proved to be […]

USAPipe Details Natural Gas Pipeline Operator Pipe Diameter: 18” Design Pressure: 1170 psi Pipe Contents: Natural Gas Pipe Defect: 4 Wrinkle Bends over a 15-foot lengt SummaryInspectors for a natural gas pipeline operator in the USA found 4 wrinkle bends on an 18” gas transmission pipeline. The operator could not afford to shut down the […]

CanadaPipe Details Liquids Pipeline Operator 10” pipe diameter 725 psi design pressure Crude oil pipeline Wrinkle Bend SummaryInspectors for a liquids pipeline operator in Canada found a wrinkle bend on a 10” crude oil transport pipeline. The operator could not afford to shut down the line to cut and replace because of the high transport […]

KUWAITPipe Details Refining Company 30” pipe Operating Pressure: 25 psig Design Pressure: 25 psig Flare gas (H2S, NH3, HC) pipeline Pipe Defect: Internal Pitting SummaryThis flare line was suffering from internal pitting due to the harsh chemistries in the line. The pitting was primarily at the 6 o’clock, but extended midway up the walls. Pit […]

USAPipe Details Large Ammonia Plant Vessel Diameter: 80” Design Pressure: 315 psi Vessel Contents: Amines, CO2 Vessel Defect: Severe internal corrosion Summary A nitrogen plant in the US had an MDEA stripper unit suffering from internal corrosion. Previous remediation consisted of welding patches on the outside of the unit, which resulted in stress concentrations and […]

BAHRAINPipe Details Crude Oil Refinery Pipe Diameter: 12”, 24”, 36”, 42” Design Pressure: 50 psig Design Temperature: 300°F Internal Corrosion with 50% Wall Loss for long lengths of pipe     Summary A refinery in Bahrain discovered internal thinning of up to 50% on five flare lines, varying in length and diameter. Unable to remove […]

SAUDI ARABIAPipe Details254-mm (10-inch) line transporting butane13 damaged locationsExternal corrosion resulted in 60% wall loss.27 Bar (391 psi)53.7°C (128.6°F) operating temperatureSummaryA 254-mm (10-inch) line transporting butane needed repairThe line was damaged by external corrosion that had resulted in 60% wall lossCSNRI trained technicians completed the Contour installation in 2 weeksThe line remained in service during repairNo […]