Remote Inspection Tool Developed To Provide Inspection For Complex Furnace Tube Configurations

Part 1 of 2

By Richard D. Roberts at Quest Integrity Group, and Tim Cowling. This article appears in the March/April 1998 issue of Inspectioneering Journal.

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This article is part 1 of a 2-part series.

Part 1 | Part 2

Furnace tubes in the petrochemical and refining industries lengths’ can exceed 2,000 ft., often with multiple serpentine bends. This can make them extremely difficult to inspect using conventional NDE methods. The following inspection tool (FTIS) employs the combined capabilities of high-speed laser and advanced ultrasonic wall thickness measurements and is propelled through the piping via a column of clean water which provides a path for the laser beam, and the coupling for the ultrasonic signals.

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About the Authors

Richard D. Roberts at Quest Integrity Group

Rich Roberts began his career in the oilfields of Alaska at Arco Petroleum in 1985, where he was involved in a massive corrosion monitoring and prevention program encompassing critical assets such as pipelines, pressure vessels, tanks and well heads. After departing Alaska in 1992, Mr. Roberts helped implement specialized NDE/T division start-ups for various engineering and service companies... Read more »

Tim Cowling