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Pipeline pig #1
From signs posted at this pipeline location: Devices called "pigs" improve the flow of oil through the pipeline and monitor its condition. This 2,600-pound pig scraped wax from the internal walls of the pipe when the pipeline first began operating. Once the system warmed up from the constant flow of hot North Slope oil, wax buildup ended. The oil is approximately 100 degrees Fahrenheit as it passes this location.
Pipeline pig #1
From signs posted at this pipeline location: Devices called "pigs" improve the flow of oil through the pipeline and monitor its condition. This 2,600-pound pig scraped wax from the internal walls of the pipe when the pipeline first began operating. Once the system warmed up from the constant flow of hot North Slope oil, wax buildup ended. The oil is approximately 100 degrees Fahrenheit as it passes this location.