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Development of a solution and its application on carbon steel pipelines for the detection and sizing of Stress corrosion cracking (SCC). Potential to replace MPI and UT as the industry gold standard for SCC detection and sizing.
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Corrosion under insulation (CUI) is a critical challenge that affects the integrity of assets for which the oil and gas industry is not immune. Over the last few decades, both downstream and upstream industry segments have recognized the magnitude of CUI and challenges faced by the industry in its ability to handle CUI risk-based assessment, predictive detection and inspection of CUI. It is a concern that is hidden, invisible to inspectors and prompted mainly by moisture ingress between the insulation and the metallic pipe surface. The industry faces significant issues in the inspection of insulated assets, not only of pipes, but also tanks and vessels in terms of detection accuracy and precision. Currently, there is no reliable NDT detection tool that can predict the CUI spots in a safe and fast manner. In this study, a cyber physical-based approach is being presented to identify susceptible locations of CUI through a collection of infrared data overtime. The experimental results and data analysis demonstrates the feasibility of utilizing machine-learning techniques coupled with thermography to predict areas of concern. This is through a simplified clustering and classification model utilizing the Convolutional Neural Networks (CNN). This is a unique and innovative inspection technique in tackling complex challenges within the oil and gas industry, utilizing trending technologies such as big data analytics and artificial intelligence.
In the oil and gas industry, solid metal equipment such as pipelines, pressure vessels, heat exchangers and valves are susceptible to surface cracks and discontinuities attributed to cyclic loading, process environment and severe operating conditions. These anomalies affect the safety, structural functionality, reliability, integrity and life cycle of the equipment. They could lead to catastrophic incidents if not detected timely, evaluated, monitored and properly repaired.
In oil & gas industry, solid metal equipment such as pipelines, pressure vessels, heat exchangers and valves are susceptible to surface and sub-surface cracks and discontinuities attributed to cyclic loading and severe operating conditions. These anomalies affect the safety, structural functionality, reliability, integrity and life cycle of the equipment and if not detected timely, they could lead to catastrophic incidents. Consequently, this gave rise to the importance of different Non-Destructive Testing (NDT) methods and their abilities to detect and characterize surface discontinuity providing useful information to the structural integrity assessment.
CORRECTED VERSION AS OF 1/14/2022. Analysis of available and emerging technologies in the field of in-line inspection tools and review their status with respect to characteristics, performance, range of application, and limitations. This is a companion guide to SP0102.
The following corrections have been made in NACE Publication 35100-2017, “In-Line Inspection of Pipelines.”Date: January 14, 2022Corrections:•Reference 2 on p. 20 has been revised from “Specifications and Requirements for Intelligent Pig Inspection of Pipelines, Pipeline Operators Forum (POF), http://www.pipelineoperators.org/publicdocs/POF_specs_2009.pdf (Rijswijk, Netherlands: 2009).” to “Specifications and Requirements for Intelligent Pig Inspection of Pipelines, Pipeline Operators Forum (POF), 2016.”•Two citations of reference 2 in Appendix B (pp. 30 and 31) have been revised from “…from POF document. [ref.]” to “…from Table 2.1 of the POF document.2”•Metric-to-U.S. Customary unit conversions have been corrected throughout Appendix B.Published as: NACE Publication 35100-2017 (Corrected Copy)
For corrosion engineers to take Nondestructive Testing (NDT) measurements at height, currently they may need to utilize a lift, scaffolding, ladders, inspection trucks with elevated baskets, rope work, catwalks, cranes and rigging or other solutions. NDT inspection programs can dramatically increase the safety and integrity of infrastructure, industrial and manufacturing assets, access requirements in performing these inspections introduces risk.
A nondestructive method for the detection of holidays in a nonconductive coating film...applied to the inner wall of oilfield tubular goods...apparatus...procedure…methods of reporting...Historical Document 1994