The specific nature of the constraints and requirements of repair of flare lines make epoxy and e-glass based composite wraps an excellent choice of materials and technology for flare line repair. The base of knowledge, supply and ability to provide product and personnel to affect repairs can be dispatched rapidly. By utilizing composite wrap technology, asset owners enjoy many operational advantages along with environmental and safety benefits while simultaneously controlling project costs.
Flare lines are present in all regions of the globe. Clock Spring has provided Contour material and training for these repairs on several continents and in multiple countries.
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Wall thinning at the air to ground interface with some pinhole leaks repaired. Encapsulation of the blind flange was also needed.
“We made the decision to focus first on Certified Installers with the online exam, making it more accessible for them to maintain up-to-date status with us as simply as possible. The initial feedback of the online exam is very positive.”
The company plans to continue its live testing of the system over the coming weeks and continues working on future enhancements. An online version of the Certified Trainer (Re)Certification Exam is anticipated soon.
Clock Spring Company, L.P. is a global leader in composite pipe reinforcement and repair systems for the oil & gas transmission, process plant, and refinery industries based in Houston, TX. Learn more about the company and products at ClockSpring.com.
…the holding clamp was cut away and the section left corroded onto the riser was also cut and ground away. The surface was prepared by hand using wire brush and solvent cleaning before two standard 8″ Clock Spring coils were installed side-by-side.
Field report includes details about main aviation fuel supply line to Heathrow Airport repaired at bend location with Clock Spring coils.
Multiple pin hole leaks over a 35’ section due to corrosive nature of the product (82% nitrogen, 6.5% acetic acid, 1.9% water, 8.3% oxygen, 1% hydrogen bromide, 0.2% methyl acetate, 0.1% methanol). Line shut-down not an option. Repair includes leak stop and application of multiple Snap Wrap units.
Field report features extensive external corrosion of up to 80% metal loss on 12’ bend radius either side of canal crossing.
Clock Springs were cut to suit the specific bend radius and in total 18 units were installed on both bend sections. Hand spool technique was used to install the coils due to tight clearances.
Refinery Leak – Pressure removed from the pipeline and the various holes were plugged, following which manual surface preparation was completed prior to application of leak stop material over the plugs which after curing 2 x 12” Snap Wraps were installed to reinforce the complete repair.
Field report features the repair of a 10″ separator tee leak repaired utilizing Clock Spring Contour in an offshore setting
621 Lockhaven Drive, Houston, TX 77073
Tel: +1.281.590.8491 Fax: +1.281.590.9528
4A The Causeway, Godmanchester
Cambs, PE29 2HA, England
Tel: +44.1480.414.703 Fax: +44.1480.414.705