Pipeline Pigging After a pipeline is constructed and before it is put into service there are a number of key activities required in order to ensure that the pipe meets the ... What is pigging? To ensure our pipelines remain in safe, reliable operating condition, we use “pigs” – electronic and mechanical devices that either inspect or clean the pipeline ... Pigging QLD Don't like pigging don't watch. ACDC - Highway to hell. Pigging Australia Just a teaser, few young dogs coming up through the ranks on a few pigs on our April hunt. Hunting around Coonamble, Walgett, Quambone.