Cleaning pig runs amok at Alyeska terminal

Refrigerator-sized device diverts into manifold, breaks up; incident doesn’t stop oil movement as operator uses alternate flow path

Wesley Loy

For Petroleum News

The operator of the trans-Alaska pipeline has a stuck pig at the Valdez oil terminal. And it’s likely to stay stuck. A pig is a tool that slides through the pipeline to clean it, or to test for problems such as corrosion. Back in the spring, a cleaner pig ran off course and was “ingested” into a man....

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Tool temporarily lost

‘Encased in concrete’