No consensus: People with different incentives value the Alaska pipeline at $2.25 billion, or $7.2 billion, or $13 billion, or maybe $30 billion

Alaska undervalued oil pipeline by billions, state assessment board finds | Alaska Dispatch

The oil producers -- primarily BP, Conoco and Exxon -- argue the pipeline is worth a measly $2.25 billion.
The Alaska Division of Revenue argues it's worth $7.2 billion. The municipal governments, which collect property taxes on the pipeline just like the state, claim the line is worth $13 billion.
The review board issued a decision Wednesday setting the 2013 value of the pipeline at $11.9 billion.
...
Use the same method applied for valuing those other pipelines, and the trans-Alaska pipeline would be worth $30 billion.