2022 API Inspection and Mechanical Integrity Summit

Dates:  August 9 – 11, 2022  

Booth #:  515

Location:  Henry B. Gonzalez Convention Center | San Antonio, Texas

Website:  https://events.api.org/2022-inspection-and-mechanical-integrity-summit/

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2022 API Inspection Summit

Presentations and Papers

Full-scale Testing for Integrity Management

by Brent Vyvial

Tuesday, August 9th | 2:15 PM
Many tools are available to operators for evaluating the integrity of their pipelines. When coupled with inspection and analysis, full-scale testing is a powerful tool for integrity management. Full-scale testing allows operators to validate the assessment methodology as well as establish real world operating limits. The presentation will examine case studies to demonstrate the use of full-scale testing to provide confidence in integrity decisions. The information presented is relevant to engineers and managers as it demonstrates the use of full-scale testing for pipeline assessments.

Case Study: Managing Progressive Corrosion in a Steel Stack

by Daniel Ayewah

Tuesday, August 9th | 3:00 PM
Steel Stacks are a common in process facilities across the country. Since they are subject primarily to wind loads rather than pressure loading, the approach to establishing minimum thickness requirements and the failure mechanisms associated with wall loss are different from a pressure vessel. In some cases, corrosion damage within a Stack can be extremely aggressive due to the presence of acidic gases.This presentation is a case study outlining real world experience with such aggressive corrosion in a stack along with the approach taken for fitness for service assessment and progressive repair over the course of a few years. This information should provide mechanical integrity engineers with some insight in managing aggressive corrosion in a Stack.

CVN or CTOD for Pipeline Fracture Mechanics? An Overview of Advantages and Disadvantages

by Jonathan Brewer

Tuesday, August 9th | 4:05 PM
The longitudinal seam weld fracture toughness of 36-inch OD x 0.406-inch WT, Gr. X52 pipe was evaluated using both Charpy V-notch (CVN) and Crack Tip Opening Displacement (CTOD) testing. Both testing results were converted to the fracture toughness parameter, K, using the methodology outlined in API 579-1/ASME FFS-1 Annex 9F. The correlations between fracture toughness and CVN data results in a large range of toughness values. However, the correlation between fracture toughness and CTOD data results in a single toughness value. This presentation describes the fracture toughness calculations and how these results are implemented for pipeline fracture mechanics analyses. This is relevant to engineers and managers as it shows the technical differences between completing CVN vs. CTOD testing for pipeline integrity management assessments.

FFS: Applying Level 3 Assessments in Managing Auto-Refrigeration Brittle Fracture Risk

by Daniel Ayewah

Wednesday, August 10th | 10:30 AM

Full-scale Testing and Metallurgical Evaluation of Long Seam Features in a Gas Transmission Pipeline

by Colton Sheets

Wednesday, August 10th | 2:15 PM

Post Weld Heat Treatment Initial Planning Considerations

by John Norris

Wednesday, August 10th | 3:00 PM
There are unavoidable issues that arise when performing a localized or field Post Weld Heat Treatment (PWHT) or stress relief outside of the traditional furnace. The Welding Research Council Bulleting 452 provides detailed Recommended Practices for Local Heating of Welds in Pressure Vessels (field executed PWHT) but does not necessarily provide details on how to handle the additional issues that need to be addressed. This presentation will suggest methods for addressing some of these during the initial planning of a field executed PWHT such as, a) preliminary buckling and distortion screening, b) determining expected material properties at PWHT temperature, c) minimum temperature monitoring and control requirements to be specified, and d) preparation and other actions to mitigate effects on attachments, adjacent equipment and/or other structures.

The Use and Limitations of Spoolable Reinforced Plastic Line Pipe Systems

by Cody Robinson

Wednesday, August 10th | 4:50 PM
Spoolable reinforced plastic (composite) line pipe systems have gained wide use in oil and gas applications where steel line pipe may be less viable due to technical or economic factors. These systems can offer potential benefits over steel line pipe, but they are subject to different design, installation, and operating considerations. Understanding these differences is critical to the successful implementation spoolable reinforced plastic line pipe systems. This presentation is intended to provide engineers and inspectors with an introduction to spoolable reinforced plastic line pipe systems, applications, and common failure modes. Specific points of discussion will include system designs, standards, materials, installation methods, and operating considerations. Failure analysis methodology and some common failure modes affecting spoolable reinforced plastic line pipe systems will be addressed.

Acoustic Emission Testing (AET) Methods Used to Evaluate the Condition of Above Ground Storage Tanks

by Napoleon Douglas

Thursday, August 11th | 8:00 AM
The integrity of above-ground storage tanks is vital to a company’s profitability and environmental safety. Throughout the industry there are many aging above ground storage tanks (AST) where leaks or failure will result in severe consequences. Using AET is a viable non-intrusive NDE method for examining AST to determine their current condition, as well as a screening tool for ranking the tanks of a farm for prioritizing inspections and repairs.This presentation will explain the introductory principles and applications of AET standards and inspection methods for inspectors and engineers who need to evaluate the condition of above ground storage tanks.

Evaluation of a Girth Weld Anomaly on a Natural Gas Pipeline

by Sudhakar Mahajanam

Thursday, August 11th | 10:30 AM
Pipeline anomalies can occur during fabrication, installation or during service, and could lead to catastrophic consequences, especially for gas pipelines operating under pressure. In this study, metallurgical analysis was performed on a girth weld anomaly found on a natural gas pipeline during x-ray radiography at a client site. This 26-inch X52 pipe was installed in 1952 and coated with coal tar. Several examinations of the pipe section were performed, including visual examination, magnetic particle inspection, scanning electron microscopy, metallography, chemical analysis and mechanical testing. It was determined that the girth weld anomaly occurred as a result lack of fusion and lack of penetration at the weld root on the pipe inside surface. Evidence of welding slag residue was found during energy dispersive x-ray spectroscopy examination.

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