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Quest Integrity Group was approached by a client to inspect two sections of an unpiggable 14† high pressure gas pipeline in Australia. The line is over 40 years old and the client wished to evaluate its integrity so as to ensure safe operation for the remaining life of the affected facility. Quest Integrity utilized its InVista™ intelligent pigging technology to perform the inspection.

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Inspection and fitness-for-service (FFS) of critical in-plant piping systems remain an ongoing concern for the chemical industry. Recent failures in the US indicate that there is a present and severe risk in piping systems. Historically unpiggable in-plant piping can now be inspected with advanced smart pigging technology for complete ultrasonic inspection. High-resolution inspection data is analyzed to identify the locations and degree of corrosion and piping deformations. This article discusses current industry experience with the inspection and assessment of in-plant piping systems using advanced smart pigging technology.

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By: Dan Revelle, Manager Pipeline Services, Quest Integrity

This paper was presented at the November 2011 PPSA Conference in Aberdeen, Scotland.

Modern advances in inspection technologies now allow for inspection and assessment of these previously unpiggable pipelines providing today’s owner-operators a varied range of inspection options. By examining the results of various inspection methods and detailing how inspection data is used for assessment and asset management, we can understand how inspection data ties into the larger decision making process.
continue to: questintegrity.com

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As seen in the August 2011 edition of Pipeline & Gas Journal

Advances in in-line inspection (ILI) tools and other inspection technology today allow for detailed assessment of unpiggable or difficult-to-pig pipelines.

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By: Dan Revelle, Quest Integrity

Understanding the capabilities of available in-line inspection tools is a key component of accurately managing and assessing pipeline integrity. Det Norske Veritas, USA, Inc. (DNV) was retained by a pipeline operator to provide support in evaluating the Quest Integrity InVista™ tool.
continue to: questintegrity.com

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As seen in Pipeline & Gas Journal July 2011

Detecting and sizing flaws with advanced ultrasonic ILI tools, coupled with the API 579-2007 Fitness-for-Service approach to crack assessment, is a more efficient, reliable approach to determining pipeline FFS than hydro testing.




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As seen in the May 2011 edition of HydroCarbon Engineering

Advanced integrity assessments based on inspection results can demonstrate that tanks and their components are fit for continued service. This allows tank operators to postpone tank repairs until the next shutdown, eliminate the need for repairs or be exempt from hydrostatic testing.


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Las fallas recientes de tuberías de alto perfil en los Estados Unidos, a focalizado el escrutinio de los entes reguladores en la evaluación y la gestión de la integridad en estos activos envejecidos, a través del mundo. Muchas tuberías viejas, incluyendo aquellas ubicadas en áreas de alta población, tienen geometrías tales como curvaturas de radio pequeño y cambios de diámetro, las cuales han llevado a clasificarlas como 'no inspeccionables'. La herramienta de inspección InVista™ de la empresa Quest Integrity Group es capaz de inspeccionar dichas tuberías y entregar información del 100% de la superficie de ellas, las cuales no pueden ser inspeccionadas por otras herramientas ILI.

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As seen in the November 2010 Issue of the PPSA Newsletter

Many older pipelines, including those in heavily populated areas, have geometries such as small radius bends and diameter changes which have traditionally classified them as unpiggable. The InVista™ tool from Quest Integrity Group inspects such pipelines and provides 100% overlapping data coverage of lines that were not able to be navigated by other pigs.

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Saudi Aramco, in cooperation with American technology developer Quest Integrity, has successfully demonstrated a new flexible In-Line Inspection (ILI) tool designed to comprehensively inspect some of the company’s “non-scrapeable† pipelines, those that cannot be inspected by regular ILI tools.

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Quest Integrity Group has positioned itself to lead integrity management by providing the most advanced technology and comprehensive package of specialty NDT and engineering assessment services available in the global refining and chemical, pipeline, syngas and power industries.

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By: Rich Roberts, Quest Integrity Group

As seen in the Jan/Feb 2010 issue of Inspectioneering Journal.

Refinery and chemical plant operators have utilized ultrasonic†based intelligent pig technology to inspect coils in convection and radiant sections of fired heaters for many years.