What does it take to prove a big oil discovery?

An Armstrong rig on the North Slope. Multiple discovery wells, outside analysts and a good flow test mean Armstrong’s recent oil discovery is a good bet. (Photo courtesy Armstrong Oil & Gas)There’s a lot of excitement building about three big oil discoveries on Alaska’s North Slope. Caelus Energy, Armstrong Oil and Gas and ConocoPhillips all recently announced they’ve found huge new oil fields.
But what does it take to prove an oil discovery?
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Geologist Davi