On 16 Jun, 12:36, David Hansen
wrote:

"* Every year since 1984, we have been discovered less oil than we
have produced

"* We currently find one barrel of oil for every four that we use"

That is a fairly useless figure without knowing how much oil has
already been found and discounted as uneconomic to recover. What's
important - in the short to medium term - is how much oil is becoming
economically recoverable (through discovery /or/ increasing prices)
for each barrel used.

Ian