It extends reliance on fossil fuels, at a time when scientists warn that we can only burn twenty percent of current reserves before the world tips past the crucial 2 degree Celsius point. (desmogblog.com)
So based on current reserves the 100 year supply will decrease. (judithcurry.com)
In those regions with a short history of internal demand (all the rest), cumulative production is half or less of current reserves and less than a quarter of ultimate recovery. (rstb.royalsocietypublishing.org)