Unwanted or foreign materials that accumulate or become lodged within a pipeline, potentially causing operational issues or compromising the pipeline's integrityThe capability of a pipeline to perform its intended function safely and reliably throughout its life. It includes a range of factors, including the structural …. DebrisUnwanted or foreign materials that accumulate or become lodged within a pipeline, potentially causing operational issues or compromising the pipeline's integrit… can consist of various substances, including solids, liquids, or gases, and can originate from different sources.