Smartpigging
Inline inspection of the "unpiggable" in fired-heaters and pipelines
The MERLIN inline inspection tool takes up to 50’000 wall thickness and internal radius readings per metre allowing for identification of tube defects, including: diametric growth; internal and external corrosion; local and general metal loss; pitting and internal fouling.
The bi-directional, single body, neutrally buoyant construction allows the pig to travel with fluid flow for maximum manoeuvrability.
Using the data obtained during the inspection process, Cokebusters can provide Level 1 & 2 FFS/RLA on request.
Specification Title | Specification Description |
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Applicability
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Fired heater configurations containing 1D | short-radius return bends | plug headers mule-ears flat-back bends Fired heaters containing multiple tube diameters throughout the process coil Arbour coils, Convection coils containing finned/studded tubing
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Areas of Application
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Process piping within fired heaters | HRSG/OTSG boilers | “unpiggable” pipelines up to 12-inch diameter | Transfer lines | Slop/wastewater lines
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Capabilities
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Detects localised metal loss | Detects pitting | Detects creep damage (bulging, ovality, swelling) | Able to model true corrosion patterns
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Certifications / licences
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Patented design
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Collaboration
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Cokebusters MERLIN inline inspection is available as part of Cokebusters combined decoking and inspection service or stand-alone using a third-party decoking provider.
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Compliance
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Calibrated to recognised standards.
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Inspection
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Data analysis is carried out by fully qualified inspection technicians throughout the on-site inspection process.
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System Requirements
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Requires no Technicians to access the inside of a heater | Usually requires no scaffolding within the radiant box | Requires no surface preparation (grinding) prior to measurement
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Reviews (1)
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Relative Business Impact
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