Pig that traveled the Trans Alaska Pipeline

Over time, wax builds up on the pipeline's 48-inch diameter walls, slowing oil flow. Paraffin "pigs" are inserted - a sort of tube with fins inside the pipe - to scrape the walls of the pipe about every seven to 14 days. Scraper pigs pushed along by the flow of oil are designed to come apart if they encounter obstacles so that the pipeline will not be plugged. Now that's encouraging. I wonder if they have ever lost a "pig"?

Day 9 (July 6, 2008) I RODE THE ENTIRE ALASKAN HIGHWAY!

July 6th 2008
Hi gang, It seems like a shorter day today or maybe I am getting used to the routine...covered about 200 miles today after leaving Tok. I am currently staying for the next two days at Eielson Air Force Base near Fairbanks. Military members can stay at visitors quarters if available. Rate is $28 per night. Not bad when I have been paying up to $28 to pitch a tent at some of the campgrounds a ... read more

North America » United States » Alaska » Fairbanks

Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the origina... ... read more

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