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Pipeline Dent Assessment Solutions using Level 3 Applications

API RP 1183 provides guidelines for the assessment of pipeline mechanical damage features which includes both a Level 0 screening and Levels 1 and 2 fatigue life assessments.

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API RP 1183 provides guidelines for the assessment of pipeline mechanical damage features which includes both a Level 0 screening and Levels 1 and 2 fatigue life assessments. It also provides geometric criterion for the dent interacting with secondary features such as weld and corrosion. The RP is however limited to the assessment of:

  1. Single peak dents with smooth profile oriented less than 30-degree w.r.t to the pipe axis,
  2. Dents subject to internal pressure loading, only,
  3. Dents on straight pipe only, and
  4. Fully restrained/unrestrained dents.

Many field dents are multipeak or kinked dents (or a combination of both) and sometimes interact with a gouge/crack. In addition, it has been shown that API RP 1183 can provide a very conservative assessment for non-injurious single peak smooth dents and sometimes passes a dent which is injurious to the safe operation of the pipeline. For these scenarios, the API RP 1183 assessment is not applicable, and a detailed Level 3 assessment is required.

This presentation provides an overview of the advanced pipeline mechanical damage assessment techniques which can be successfully applied to complex shape dents, dents with cracks, and dents with combined loading scenarios. Some examples are:

  1. Dent on weld,
  2. Dent with cracks and gouges,
  3. Partially restrained dents,
  4. Dent under axial loading, surface loading, and thermal loading,
  5. Multi-apex and/or kinked dents, and
  6. Skewed dents.

In addition, features such as buckles and wrinkles can be assessed using the present validated Level 3 FE tool. The API RP 1183 does not provide any guideline to distinguish between a dent and a wrinkle and sometimes wrinkles/buckles are incorrectly assessed as a dent using the API RP 1183.

The topic is relevant to inspectors, gas and liquid pipeline operators, ILI vendors, and pipeline integrity analysts.

This interactive webinar will allow attendees to ask questions. We look forward to seeing you and having an active discussion.

Presented by: Brian Dew, Arash Ilbagi, and Amin Eshraghi

About Acuren

A market leader in structural integrity testing and solutions

Committed to delivering a higher level of reliability, Acuren provides an unrivaled spectrum of services to support the safe operation of industrial assets. Our services include conventional and advanced nondestructive testing and examination (NDT & NDE), inspection, engineering, rope access enabled services (industrial services and NDT) and condition based monitoring services. Our commitment to innovation is ongoing, as is our development of programs to support the integrity of your assets and to significantly lower your costs of operation.

We are pleased to serve many of the largest and most sophisticated industrial firms in the world – with clients in the refinery, chemical, pipeline, storage tank, power generation (fossil, nuclear and wind), pulp & paper, aerospace, automotive, and pharmaceutical industries.

Local professionals with global resources

Our formula for success is straightforward: be highly capable locally, with certified, well-trained and well-equipped personnel supported by trained, experienced leaders.

We support our local teams with subject matter experts in engineering, rope access, and advanced inspection methods and technologies. Our field engineers and technicians have ready access to the resources required to solve complex customer problems in real time, providing a higher level of reliability at a lower overall cost.

Local competence is further supported by a corporate commitment to exceptional service, with subject-matter experts, management systems, and best-in-class technology to assure that the efforts provided locally also represent the best methods globally.

Committed to quality assurance

Acuren’s commitment to safety, quality and professionalism spans four decades. Our commitment to improvement is ongoing and core to our culture. We strive for incident free work environments and continuous service improvement. Our commitment to safety and quality assurance is evidenced through our industry certifications and our strict adherence to industry standards.

Learn more about our quality programs here

Rope access advantage

Acuren has led the delivery of rope access services to industry for over twenty years. The savings provided by rope access delivery are well recognized, and monthly result in millions of dollars of savings versus conventional alternatives. Acuren is the first, and longest standing, full member of the Industrial Rope Access Trade Association (IRATA), as well as the largest rope access service provider in North America. Our expertise is well established – and our delivery of bespoke solutions at height and to difficult-to-access areas provide both savings in time and cost.

Safe delivery of our rope access program is paramount. Our rope access work has rigorous audited compliance standards and is now recognized as safer than traditional access means, such as scaffolding and lifts.

Learn more about our rope access services here

The Acuren Advantage

Working with Acuren provides specific advantages for our customers:

  • Turnkey integrity solutions for the full asset lifecycle
  • Deep collective knowledge built on decades of experience
  • Industry leading access options including rope access and scaffold
  • Cross-functional integrated industrial service teams with multi-ticketed members
  • Benchmarked cost reduction programs that lower client’s cost to operate
  • Local presence with national scale and extensive 80 location footprint
  • Advanced technologies for any inspection challenge
  • Collaborative service approach combining over 100 engineers with over 4000 field staff
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