Products tagged with 'pipeline integrity'

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Use of Large Standoff Magnetometry in Pipeline Integrity Investigations

Product Number: 51320-14475-SG

Author: C. Onuoha, E. Pozniak, S. McDonnell, V. Shankar, T. Lich, M. Jawed

Publication Date: 2020

$20.00

Large standoff magnetometry (LSM), a novel screening technology, has shown strong industry relevance in several pipeline integrity investigations. LSM is used to detect changes in the magnetic field of a pipeline due to changes in the magnetic susceptibility of steel. These changes are known as inverse magnetostriction (a.k.a. the Villari effect) and occur when a ferromagnetic material (steel) is subjected to mechanical stress, such as the presence of stress on the wall of a pipeline. Geometric anomalies (ovalities, dents, wrinkles), hoop stress, ground and slope movement, bend strain, thermal expansion, cracks, and material defects are examples of potential sources of stress that LSM can detect from aboveground.

This paper summarizes the use of LSM as a complimentary tool in several pipeline integrity assessments conducted on oil and gas pipelines, in this case, to pinpoint a lost inline inspection pig and to identify dents, cracks, buckles, slope movement, casing ends, unknown valve locations and other pipeline integrity and direct assessment applications. Ongoing development programs and lessons learnt from practical, real-life projects and validations of the technology are presented to demonstrate the effectiveness of LSM for pipeline integrity investigations.

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Using Guided Waves Testing (GWT) for the Integrity Inspection of Pipelines

Product Number: 51324-20599-SG

Author: Osvaldo Mejia; Ayoub Al Mahrami

Publication Date: 2024

$40.00

Since its commercial launching, guided wave testing (GWT), a.k.a. long-range ultrasonic testing (LRUT), has been largely applied in the oil and gas industry for the inspection of pipelines, due to its faculty for screening large lengths of pipeline from a single point of contact. This capability has made the GWT one of the “other technologies” most employed in the integrity inspection of pipelines; however, regardless of its broad usage, industry standards guiding the integrity management of pipelines do not provide a clear framework for the use of GWT, neither do they agree on the role that it plays in the integrity assessment process. For example, some standards classify the GWT as a standalone corrosion integrity assessment method, while others reference it as an inspection technique, and others allocate it as a corrosion monitoring technique. This paper makes a comprehensive review of the involvement of the GWT in the pipeline’s integrity management process and intends to provide a clear framework for the use of guided wave testing (GWT) as an integrity inspection method for pipelines.

Products tagged with 'pipeline integrity'

Use of Large Standoff Magnetometry in Pipeline Integrity Investigations

Using Guided Waves Testing (GWT) for the Integrity Inspection of Pipelines

Association for Materials Protection and Performance