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Case Study Library

PIPELINE COMPOSITE REPAIR & CORROSION PREVENTION COATINGS

Composite repair on 18″ propane liquid export pipeline

composite repair

18” Propane Liquid export Pipeline with severe external pitting and pinholes. The hole size varied from 3mm up to 8mm.

ClockSpring sleeves application on 4″,6″ and 8″ Offshore Riser Repair

riser repair offshore

An offshore oil-producing platform had external corrosion on the length of its risers (4″,6″ & 8″ Riser Repair Offshore).

Compsoite repair on 24″ Repair of Tee Joint Sea Water Header Leak

contour wrapping

A 24″ Tee joint seawater header had a through-wall metal loss and water leakage due to internal corrosion.

48″ Sea Water Header with Revit in 20mm Hole

48″ Sea Water header had a severe leak that needed to be sealed using a wooden rivet in 20mm hole.

Clock Spring Contour composite repair on “SDV” 36″ Pinhole Leak

36″ Shut Down Valve with internal corrosion accumulated a “Pin Hole” leak. A repair solution is to arrest the leak.

14″ Structural Reinforcement using Clock Spring Extended Snap Wrap

14″ structural beam supporting 4 x 8″ risers were found to have high corrosion spread across the whole structure.

60” Main Water Transmission Line reinforced by Clock Spring

clockspring sleeves

After an intelligent pigging campaign, several locations exhibited external corrosion/pitting across several areas.

16″ Clamped – Shut Down Valve Sealed with Clock Spring Contour

16″ Shut down Valve suffering a through-wall defect was sealed with a leak sealing clamp. clamped area failed.

Clock Spring Contour composite repair on 2″ Nozzle Repair

 2″ nozzle from a 36″ main header with internal corrosion was detected and needed immediate attention.

30” Clamp Clock Spring Contour composite wrapping Repair

leak repair in oil and gas

Leak Sealing clamp was installed on the pipe to arrest the leak however due to pipe geometry and weld configuration.

8” External Corrosion using Clock Spring Composite Repair

leak repair in oil and gas

16″ Firewater pipeline had several pinholes due to severe external corrosion defect. The holes size varied from 5mm up to 35mm.

Clock Spring contour composite repair on 20” Header Line Leaking

composite repair in leaking header line repair

A 20” header line exhibited a pin hole leak at the 6’ o’clock position due to internal corrosion.

36” Carbon Steel “Sump Pile” Leak Repair using Clock Spring Contour Wrap

Sump-Pile”-Leak-Repair

The leak eventually ended up being approximately 1” in diameter on the “Sump Pile” resulting from internal corrosion.

30” Gas Pipeline with Sever External Metal Loss

High temperature 30” Gas Pipeline with Sever External Metal Loss viscotaq viscous elastic coating.

Viscotaq viscous elastic coating on 24” NG Pipeline

24” Subsea Pipeline Field Joint Coating Viscotaq. Viscous elastic coating system applied on the field joint.

18” Ball Valve Protection using Viscotaq Viscowrap & Outerwrap

Ball Valve Protection

18” Ball Valve Protection using Viscotaq Viscowrap & Outerwrap.Corrosion Prevention Wrapping for Ball valve.

FRP Pipe Leak Repair using Clock Spring Contour (1500mm dia)

FRP Pipe Leak Repair

Ground movement had caused a crack at a miter bend location which with applied stresses had caused a failure of the pipe.

20” Heavy Oil Fuel Line Repair found severe external wall loss

Heavy Oil Fuel Line Repair

20” Heavy Oil Fuel Line Repair 20” heavy fuel oil line found severe external wall loss due to coating/insulation damage.

8” External Corrosion using Clock Spring Composite Repair

External corrosion found at several locations on an 8” Offshore riser due to neoprene coating damage.

8” External Corrosion using ClockSpring and Contour

Splash zone up to the top side of the wellhead platform. Highly corroded section of the riser.

Viscotaq Viscous Elastic coating on 8” Oil Riser

Viscotaq Viscous Elastic coating on 8” Oil Riser.Protect the innerwrap corrosion prevention

18″ Trunk Line Clock Spring Composite Wrapping

Trunk Line Composite Wrapping

18″ Trunk Line Clock Spring Composite Wrapping.18″ trunk line has highlighted external corrosion

12″ Gasoline Pipeline Repair using ClockSpring Sleeve

skps Abu Dhabi Gasoline Pipeline Repair using ClockSpring Sleeve

Identified dent on 12″ gasoline pipe, 12″ Gasoline Pipeline Repair using ClockSpring Sleeve.

Viscous Elastic Coating on 16” vertical pipeline

viscotaq Viscous Elastic Coating on vertical pipeline

Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap) on 16” vertical pipeline.

Viscotaq Viscous elastic coating Protection for Buried Flanges

flange protection viscotaq

Sealed with Viscopaste and viscosealant. Viscotaq viscowrap, Outer PVC mechanical protection layer applied.

Viscotaq Viscous Elastic Coating on 24” vertical pipeline

UV resistant topcoat

Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap) on 24” vertical pipeline

12” Casing End Seal System-Viscowrap HT, PVC & PU composite wrap

casing end seal system

Casing End Seal System-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap) on 12” Casing

Clock Spring Composite repair&Viscotaq Viscous Elastic Coating on 12” pipeline

composite repair in uae

The external pitting areas were filled using fast-curing steel putty. Composite repair &  Viscous Elastic Coating on pipeline

Injection line near welding joint Casing end seal system

casing end seal system

Casing End Seal System-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap)

Injection line Casing end seal system- viscotaq viscous elastic system

casing end seal system

Casing End Seal System-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap)

COATING REMOVAL

Helideck Coating Removal by RPR: 10 Millimetre Epoxy Anti Skid Coating Removal

Helideck Coating Removal

Helideck Coating Removal by RPR: 10 Millimetre Epoxy Anti Skid Coating Removal by OFTEC GMBH

Pipeline – 3 Layer Polypropylene (3LPP) Coating Removal by RPR

3 Layer Polypropylene (3LPP) Coating Removal

Removal of 3 LPP coating from 6inch pipeline.The RPR Induction Technology works by fast transfer of energy

42 ” CS Pipe 3- Layer PolypropyleneCoating Removal by RPR Induction Technology

3- Layer Polypropylene Coating Removal

Removal of 3 LPP coating from 42 inch pipeline (750mm–length). The RPR Induction Technology works by fast transfer of energy

24” CS Pipe 3- Layer PolypropyleneCoating Removal by RPR Induction Technology

3lpp coating removal in uae

Removal of 3 LPP coating from 24 inch pipeline. The RPR Induction Technology works by fast transfer of energy

TANK CHIME REPAIR

Tank Soil Side Bottom IDS Chime Ring Dry

Zerust Tank Soil Side Bottom IDS Chime Ring Dry

The VCI dry sleeves are installed into the PVC pipe and the system is sealed to create an enclosure to contain the VCIs.

Tank Chime Sealant System

Viscotaq Tank Chime Sealant System

Tank Chime Sealant System Annular plate & tank bottom were corroded due to exposure to ambient conditions.

Storage Tank Chime Sealant System

tank chime sealant

Diesel tank Annular plate & tank bottom were corroded due to exposure to ambient conditions.

Tank Chime Sealant System

tank chime repair

Tank Chime Sealant System Annular plate & tank bottom were corroded due to exposure to ambient conditions.

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