[sitetest]

My guess is that technologies will continue to improve, that 600 million barrel number will go up over time, and should prices rise, more effort will be brought to bear on the problem of recovering this oil.

[thackney]

My guess is that technologies will continue to improve, that 600 million barrel number will go up over time, and should prices rise, more effort will be brought to bear on the problem of recovering this oil.

Very true. The same will effect places like the Bakken, Permian, Eagle Ford, etc. Rising proved reserves often does not requiring finding anything new.