Pig

Pig

Equipment used to clean or flush out liquids and other accumulated and unwanted items from the inside of an oil or gas pipeline. It is inserted into the pipeline and carried along by the flow of oil or gas. An “intelligent pig” includes measuring and sensing equipment which can be used to inspect a pipeline internally, which is useful after it has been buried undergroundPipeline A tube for the transportation of crude oil or natural gas between two points, either offshore or onshore.

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