|Arctic Prowler commercial fishing vessel|
The fancy antennae looking things attached to the top of the support posts are radiators so the heat from the oil doesn't melt the permafrost.
Asbestos was banned from most uses in 1980, but construction of the Alaska pipeline began in 1974, so much of the insulation is very likely asbestos. It's a continuing issue with pipelines everywhere.
Asbestos' continuing long-term use after harmful health effects were known or suspected, and the slow emergence of symptoms decades after exposure ceased, made asbestos litigation the longest, most expensive mass tort in U.S. history . . . - Wikipedia