The effect of dents in pipelines—guidance in the pipeline defect assessment manual

The pipeline defect assessment manual (PDAM) project is a joint industry project, sponsored by sixteen international oil and gas companies, to produce a document specifying the ‘best’ methods for assessing defects in pipelines. A dent reduces the static and cyclic strength of a pipe. Plain dents, dents on welds and dents containing defects are considered here; small scale and full scale tests, theoretical analyses and assessment methods are...