Re: Oil production costs: When and where the price of crude is making it unprofitable

Interesting article about the complex question of the effects of a low price for oil, and whether oil producers shut down operations or not when there price is low. I thought the magic number was that tar sands are not viable below $60 a barrel, but this article says $30.

https://www.google.ca/amp/www.cnbc.com/amp/2015/01/12/oil-production-costs-when-and-where-the-price-of-crude-is-making-it-unprofitable.html