API TR 1190 First Edition 2024 PDF
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Crack ILI Response: Maximum Depth and Failure Pressure Ratio, First Edition
American Petroleum Institute , 02/01/2024
API TR 1190 First Edition 2024 PDF
This technical report is related to the Pipeline Research Council International (PRCI) project NDE-4-201. This technical report justifies the failure pressure ratio (FPR) and depth elements of reasonable and prudent crack ILI response criteria, to be applied in combination with other best practices of API RP 11762 and consideration of advancements in ultrasonic crack ILI technologies and performance.
The recommended response to crack ILI information, which is expected to become a normative annex to the revision of API RP 1176, is shown in Table 1. The criteria shaded in green were examined as part of the NDE-4-20 project.
While some of the findings can inform gas transmission pipelines and corrosion ILI response, the focus of NDE4-20 and this technical report is axial cracking in hazardous liquid pipelines.
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