Composite repair on 18″ propane liquid export pipeline
Case Study Library
PIPELINE COMPOSITE REPAIR & CORROSION PREVENTION COATINGS

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

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

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

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 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

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

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

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

18” Ball Valve Protection using Viscotaq Viscowrap & Outerwrap.Corrosion Prevention Wrapping for Ball valve.
FRP Pipe Leak Repair using Clock Spring Contour (1500mm dia)

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

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

18″ Trunk Line Clock Spring Composite Wrapping.18″ trunk line has highlighted external corrosion
12″ 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 (Viscowrap HT, PVC & PU composite wrap) on 16” vertical pipeline.
Viscotaq Viscous elastic coating Protection for Buried Flanges

Sealed with Viscopaste and viscosealant. Viscotaq viscowrap, Outer PVC mechanical protection layer applied.
Viscotaq Viscous Elastic Coating on 24” vertical pipeline

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-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap) on 12” Casing
Clock Spring Composite repair&Viscotaq Viscous Elastic Coating on 12” pipeline

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-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap)
Injection line Casing end seal system- viscotaq viscous elastic system

Casing End Seal System-Viscotaq Viscous Elastic Coating (Viscowrap HT, PVC & PU composite wrap)
Viscotaq® Viscous Elastic Wrapping on straight pipeline

Viscotaq® Viscous Elastic Wrapping Viscowrap HT, PVC composite wrap on pipeline
Viscotaq® Viscous Elastic Wrapping on Teejoint

Viscotaq® Viscous Elastic Wrapping Viscowrap HT, PVC composite wrap on Teejoint
Viscotaq® Viscous Elastic Wrapping on Elbow

Viscotaq® Viscous Elastic Wrapping Viscowrap HT, PVC composite wrap on elbow
Protectolast SR-PS and viscotaq application on vertical tubular pipe support

ProtectolastSR-PS structure reinforcement kit & Viscotaq Application on Vertical Tubular Pipe Support
SOIL TO AIR RISER
Valve-Stem-[Soil-to-Air]-Protection-viscotaq viscous elastic coating Application

Viscotaq Viscous Elastic Wrapping (Viscopaste, Viscowrap HT, PVC & PU composite wrap) on Soil to Air Riser
Valve-Stem-[Soil-to-Air]-Protection-viscotaq viscous elastic coating Application

Viscotaq Viscous Elastic Wrapping (Viscopaste, Viscowrap HT, PVC & PU composite wrap) on Soil to Air Riser
Valve-Stem-[Soil-to-Air]-Protection-viscotaq viscous elastic coating Application

Viscotaq Viscous Elastic Wrapping (Viscopaste, Viscowrap HT, PVC & PU composite wrap) on Soil to Air Riser
COATING REMOVAL
Helideck Coating Removal by RPR: 10 Millimetre Epoxy Anti Skid 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

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

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

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

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

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