Alyeska investigates pipeline vibrations

Sporadic vibrations at Isabel Pass in Alaska Range similar, but less frequent, to those the company studying at Atigun Pass

Rachel D'Oro

Associated Press Writer

The sharp reduction of crude flowing through the trans-Alaska oil pipeline after a partial shutdown of the nation’s largest oil field caused a steep section of the line to vibrate for weeks, the operator said Oct. 9. The sporadic vibrations at Isabel Pass in the Alaska Range were prompted when daily....

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Vibrations nothing new