Pig

How it is used

Also a verb: to pig a line; the operation is called pigging. Pigs are put in at a pig launcher and taken out at a pig receiver. In-line inspection (ILI) tools are called smart or intelligent pigs.

Example sentences

1. We run a cleaning pig through the line every month.

2. The smart pig found several areas of corrosion near the river crossing.

Common collocations

• pig launcher
• pig receiver
• smart pig
• pigging operation
• run a pig

Related terms

• pipelineA long line of connected pipes, often buried or laid on the seabed, used to carry oil, gas, water or slurry over long distances.
• throughputThe amount of material that passes through a pipeline, plant or terminal in a given period, such as barrels per day or tonnes per hour.
• compressor stationA facility along a gas pipeline that uses compressors to raise the pressure of the gas so that it keeps flowing over long distances.
• storage tankA large container, usually a round steel tank, used to hold crude oil, fuels, water or chemicals at a terminal, refinery or production site.

More terms: Pipelines, Storage & LNG

• LNG