Contour

CaliforniaPipe Details Installations on ½-inch (12.7-mm) to 42-inch (1,066.8-mm) carbon steel natural gas pipelines Temperature >175° F (79.4° C) Summary Lines ranging from ½-inch (12.7-mm) to 42-inch (1,066.8-mm) on a natural gas transmission system required repair/reinforcement. Snap Wrap, Contour WA™ and Pipe Support were used to limit the effects of corrosion and the environment 1,118 […]

Saudi Arabi Pipe Details 6-inch (152-mm) diameter Ethylene 148° C (298° F) operating temperature Summary Pipe damage significant internal corrosion and through wall leaks CSNRI trained and certified installers applied 4 layers of Contour to the damaged areas of pipe Contour was applied to areas with complex geometry, including injection nozzles, bolted repair clamps, valve bodies […]

Columbia Pipe DetailsTwo sections of an API 5L Grade B gas pipeline had suffered damage from external corrosion50.8-mm (2-inch) diameter line was damaged over a 1,829-mm (6-ft) straight run of pipe114.3-mm (4.5-inch) diameter line was damaged over a length of 2 m (6.56 ft) that extended along a straight run and an elbowCorrosion had caused wall […]

Jubail, Saudi ArabiaPipe DetailsA 24-inch caustic line had sustained internal corrosionCorrosion resulted in through wall damage over a 152.4-mm x 203.2-mm (6-inch x 8-inch) defect area5 Bar (72.5 psi) repair design pressure115°C (239°F) repair design temperatureSummaryA 24-inch caustic line had sustained internal corrosionCorrosion resulted in through wall damage over a 152.4-mm x 203.2-mm (6-inch x […]

South KoreaPipe DetailsLeaking ammonia tankCracks from 1 mm to 5 mm (0.04 – 0.2 inch) on multiple girth welds80°C (176°F) Operating TemperatureSummary An inspection at a tank farm in Korea revealed that the roof of a tank holding ammonia was unsafe. Multiple cracks ranging in size from 1 mm to 5 mm (0.04 – 0.2 […]

AustraliaPipe Details 25-mm (1-inch) diameter. API 5L Grade B steel. 4 bar (58 psi) design pressure. 40° C to -40 °C (104° F to -40° F) design temperature. 3.9 mm (0.15 inch) original wall thickness. 1 mm (0.04 inch). remaining wall thickness. External corrosion. Ammonia pipework Summary A Contour repair was installed on a 1-inch […]

South KoreaPipe DetailsLeaking ammonia lineCracks from 1 mm to 5 mm (0.04 – 0.2 inch) on girth welds114 defects were repaired on a 6.5-inch (165.1-mm) diameter line leaking ammonia33 additional defects were repaired on various other line sizesSummaryAn ammonia line in a steel plant was leaking in many places, including leaks along a girth weld6 […]

PolandPipe Details Welding joints on a 1,000-mm (39.3-inch) carbon steel natural gas line needed reinforcement 8° C (46° F) Ambient Temperature Summary Contour provided reinforcement on a 1,000-mm (39.3-inch) carbon steel natural gas line 3 technicians completed the installation in 4 hours followed by 12 hours curing time Despite the low-temperature conditions, the composite cured […]

United StatesPipe Details OVHD Line Rehabilitation Online 270° F (132° C) Piping Material: Monel 20-inch (508-mm) diameter line with 1 inch by 6 inch (25 mm by 152 mm) nozzles from welded patches Length: 20 feet (6 m) length Pressure: 45 psi (3 bar) Temperature: 270° F (132° C) Service: Naphtha, HCl, Chlorides Summary Inspections […]

West AfricaPipe Details Large through-wall defect in a 203-mm (8-in) diameter main firewater line 8.17 mm (0.32 in) original wall thickness Summary Large through-wall defect in a 203-mm (8-in) diameter main firewater line A team of 2 local Clock Spring trained technicians completed the Clock Spring Contour repair in 2 days No hot work was […]

New MexicoPipe Details 6-inch (152-mm) cast valve containing amine developed a pinhole leak measuring <0.25 inch (6.35 mm) 600 psi (41.3 bar) operating pressure 38°C (100°F) operating temperature Summary A 6-inch (152-mm) cast valve containing amine developed a pinhole leak 2 Clock Spring trained and certified technicians completed the Contour repair in 4 hours A […]

West AfricaPipe Details 102-mm (4-inch) diameter main drain line on an oil production platform sustained severe corrosion damage and was leaking 6.02 mm (0.24 inch) original wall thickness Through-wall defects at support locations Summary 102-mm (4-inch) diameter main drain line on an oil production platform sustained severe corrosion damage and was leaking A team of […]

United KingdomPipe Details 457-mm (18-inch) line transporting gas oil External corrosion 6 mm (0.24 in) deep, leaving 24% wall thickness remaining. 80 mm (3 in) x 80 mm (3 in) pit 17.6 Bar (255.2 psi) operating pressure 40°C (104°F) operating temperature Summary A 457-mm (18-inch) line transporting gas oil on an over-water jetty required repair […]

BeneluxPipe Details 610-mm (24-inch diameter 16 Bar (87 psi) design pressure 79° C (174° F) design temperature 6.35 mm (0.25 inch) original wall thickness Two 2-mm by 2 mm (0.08 inch by 0.08 inch) pin holes at support locations Crude oil from jetty to refinery storage Summary Corrosion on a 6.35-mm (0.25-inch) crude oil pipeline […]

AustraliaPipe Details A schedule 80 nozzle on a thermal oxidizer knockout pot experienced corrosion covering 60 mm (2.36 in) from the connection to the lower head 90°C to 100°C (194°F to 212°F) operating temperature 0.15 to 0.20 bar (2.17 to 2.9 psi) operating pressure Summary Contour repaired a nozzle on a thermal oxidizer knockout pot […]

BeneluxPipe Details 610-mm (24-inch) cooling water pipe developed a leak as a result to internal corrosion 5 Bar (72.5 psi) Design Pressure 65°C (149°F) Design Temperature Summary A 610 mm (24-inch) cooling pipe had sustained a leak resulting from internal corrosion and needed timely repair. A team of 3 local Clock Spring trained technicians completed […]

AustraliaPipe Details 1-inch (25-mm) diameter 26 bar (377 psi) design pressure -33° C to 40° C (-27° F to 104° F) design temperature Schedule 40 pipe Pinhole defect Transporting Ammonia Summary External metal loss in a 1-inch (25-mm) Schedule 40 pipe in an ammonia plant in Australia led to a pin hole and wall thinning […]

AustraliaPipe Details A 600 mm (24-inch) heat exchanger suffered internal corrosion Corrosion damage left 3 mm (0.12 inch) of wall thickness remaining 14 Bar (203 psi) Pressure 40° C (104° F) Temperature Summary A 600 mm (24-inch) heat exchanger had sustained extensive internal corrosion and needed timely repair. Clock Spring trained technicians installed the Clock […]

AustraliaPipe Details 76-mm (3-inch) diameter API 5L Grade B steel 70 bar (1,015 psi) design pressure 60° C (140° F) design temperature. 5.5 mm (2.2 inch) original wall thickness 2 mm (0.08 inch) remaining wall thickness Corrosion under insulation Natural gas distribution station Summary A natural gas line at a distribution station had corroded from […]

West AfricaPipe Details A 4-inch (101.6-mm) Prover Loop line on a metering skid had several pinhole leaks Crude oil Summary Pinhole leaks in a 4-inch (101.6-mm) Prover Loop line on a production platform needed repair Clock Spring Wet Wrap was applied to the leak and surrounding area 2 local Clock Spring trained technicians completed the […]

West AfricaPipe Details 10-inch (254-mm) pinhole leak at a weldolet on an oil line Essential line that could result in shutdown of the platform Summary A pinhole leak at a weldolet on a 10-inch (254-mm) oil line needed repair Clock Spring Contour was applied to the leak and surrounding area 2 local Clock Spring trained […]

West AfricaPipe Details 102-mm (4-in) diameter pipe experienced internal erosion that resulted in a through-wall defect 8.56 mm (0.34 in) original wall thickness. Summary 102-mm (4-in) diameter pipe experienced internal erosion that resulted in a through-wall defect A team of 2 local Clock Spring trained technicians completed the 8-layer Contour repair in 2 days No […]

West AfricaPipe Details Multiple through-wall defects in a 203-mm (8-in) diameter main firewater line 8.17 mm (0.32 in) original wall thickness Summary Multiple through-wall defects in a 203-mm (8-in) diameter main firewater line A team of 2 local CSNRI trained technicians completed the CSNRI Contour repair in 2 days No hot work was required during […]

West AfricaPipe Details 406-mm (16-inch) diameter 12.7 mm (0.5 inch) original wall thickness Multiple internal erosion defects Oil inlet to separator Summary Severe internal defects in a 406-mm (16-inch) line threatened to compromise offshore production operations. CSNRI designed a repair suitable for the line transporting hydrocarbons. CSNRI trained installers repaired the damage so production would […]

Saudi Arabi Pipe Details 6-inch (152-mm) diameter Ethylene 148° C (298° F) operating temperature Summary Pipe damage significant internal corrosion and through wall leaks CSNRI trained and certified installers applied 4 layers of Contour to the damaged areas of pipe Contour was applied to areas with complex geometry, including injection nozzles, bolted repair clamps, valve bodies […]

MalaysiaPipe Details 305-mm (12-inch) diameter riser with back-to-back bends 40 bar (580 psi) operating pressure 35° C (95° F) operating temperature SummaryExtensive external corrosion of a riser on an offshore oil and gas assetCorrosion extent 60%Trained local installers carried out repairs, installing SnapWrap, followed by Contour to restore structural integrity to the riserProduction was not […]

Western EuropePipe Details 356 mm (14-inch) pipe diameter bend 2 bar (29 psi) operating pressure 30° C (86° F) operating temperature 9.53 mm (0.38 inch) original wall thickness Summary External Corrosion on a 356-mm (14-inch) mitre joint in a chemical facility required repair. The 9.53 mm (0.38 inch) original wall thickness had been reduced to […]

AfricaPipe Details 26-inch (660-mm) topside production piping system Severe external corrosion Summary Clock Spring and Contour repairs were carried out to restore extensively corroded 26-inch (660-mm) topside production piping system on an offshore asset The complete pipework was subject to severe external corrosion that affected straight pipe lengths, girth welds, pipe support, tees, tight radius […]

UNITED KINGDOMPipe Details152-mm (6-inch) Butane Jetty Line200-mm (8-inch) Propane Jetty LineSummary External corrosion on 152-mm (6-inch) and 200-mm (8-inch) import jetty lines Pit depths in the lines were up to 5.5 mm (0.22 inch) amounting to 70% wall loss Trained local contractors carried out repairs, installing Snap Wrap to restore straight line sections. Snap Wrap […]

BENELUXSummary Internal corrosion on a cooling water system led to leaks in the header pipe and a connected nozzle elbow. The nozzle elbow was clamped but created a stress zone in the nozzle pipe connection to the header due to the clamp weight. A temporary repair clamp was installed on the header to mitigate the […]

WEST AFRICAPipe Details152.4-mm (6-inch) outlets on the main high-pressure (HP) oil/gas separator had multiple severe internal erosion defects.10.97-mm (0.43-inch) original wall thickness.Summary UT inspection revealed severe internal defects on several 152.4-mm (6-inch) outlets on the main high-pressure (HP) oil/gas separator on an offshore platform 2 local CSNRI trained technicians completed the Contour installation in 1 […]

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 […]

Damage had compromised the integrity of 38 locations on the line, including elbows, girth welds, vents and drains that in some cases had experienced as much as 50% wall loss.