While geologists say the rock formations, oil seeps and old seismic results seem promising, big questions remain about where the oil is trapped, and exactly how much of it there is.
BLM says it decided to cut the land from the sale based on comments it got during a 30-day period that ended last Thursday, which included concerns about caribou, polar bear and bird habitat.
The magazine Mother Jones reports that a top scientist at the U.S. Geological Survey resigned late last year to protest what he saw as a threat to the agency’s scientific integrity just before the Geological Survey released a major assessment of how much oil and gas it believes is in the National Petroleum Reserve-Alaska.
There’s a lot of excitement building about three big oil discoveries on Alaska’s North Slope. Caelus, Armstrong and ConocoPhillips all recently announced they’ve found huge new oil fields. But what does it take to prove an oil discovery?