In March, a judge determined that a federal law preempts a state law that requires North Slope companies to make data publicly available.
The leak at Alpine continued for days before workers got control of it.
The Willow project remains under environmental review by the Department of the Interior. A final decision is expected within days.
Targeted by environmental groups, gas flares in Alaska are regulated more by economics than concerns about greenhouse gases.
ConocoPhillips says disclosing the well data would benefit its competitors and reveal company trade secrets.
Officials with ConocoPhillips are still trying to determine the source of an ongoing natural gas leak reported at a North Slope oil drill site earlier this month.
A Hilcorp pipeline sprung a leak late in December 2016 that continued for three months.
In the climate debate, natural gas is cast as both hero and villain. For protestors at the COP26 climate conference in Glasgow, producing and burning natural gas is unequivocally bad, a danger to the planet. “We cannot have any fossil fuel development if we are to have a fighting chance of staying below 1.5 degrees,”…
Hilcorp’s line, which delivers fuel gas to a system of oil platforms in the inlet, sprung a leak last month.
Two companies are looking at the geothermal energy potential of Mount Spurr, an active volcano across the Cook Inlet from Anchorage.