The maintenance and integrity of pipeline networks are critical to global energy infrastructure. Pipeline inspection and pigging operations employ specialised devices – commonly known as PIGs ...

Pipeline pigging is the practice of propelling a device (“pig”) through a pipeline using product flow or a separate driving fluid to clean, inspect, or separate batches. It safeguards throughput, ...

Long-distance gas pipelines generally have complex, undulating sections. Trapped air pockets are often present at the high points or ends of pipelines. This article carries out an experimental ...