The incident appears similar to an oil and gas release in 2017 blamed on thawing permafrost and hot production fluids.
An Alaska company says changing ice conditions in the North Slope area have allowed it to make a bulk fuel delivery to Prudhoe Bay by barge for the first time.
Questions raised about the impacts of vehicle exhaust and soot on snow deposition as well as dirt and dust from roads.
The leak was detected early Friday at the drill site CD1, 8 miles north of the village of Nuiqsut. “There are no reports of injury or environmental impact to the tundra or wildlife,” the company’s statement said. “Air quality continues to be monitored and no natural gas has been detected outside of the CD1 pad.” The gas leak happened below gravel, and its cause and scale are under investigation, Conoco said. The company said it is using natural gas detection monitors at the CD1 pad, and conducting infrared surveys from the air.
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