While buildup in a pipeline can cause transmittal slows or even plugging of the pipeline, cracks or flaws in the line can be disastrous. A form of flow assurance for oil and gas pipelines and ...

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 ...

So far, the missing pig part has not affected operations on the 800,000 barrel-per-day pipeline. The device is called a pig because it makes a squealing sound as it travels through the pipeline, ...

ANCHORAGE, Alaska (Reuters) - The operator of the Trans Alaska Pipeline System was on the lookout Monday for a piece of a cleaning device -- called a pig -- that mysteriously got dislodged somewhere ...