KEY POINTS
  • Conventional crude oil discoveries totaled just 2.4 billion barrels in 2016, versus the average of 9 billion barrels in the last 15 years, according to a new report from the IEA.
  • Firms reached a final investment decision on the lowest number of projects since the 1940s, the data shows.
  • But U.S. shale drilling is on an upswing, thanks to American companies halving the cost of production.

Conventional crude discoveries plummeted to a record low last year, one of the world's top energy policy advisers said.

And it likely won't get any better any time soon as energy companies gave the green light to the lowest number of new drilling projects in more than 70 years, according to the Paris-based International Energy Agency.