The 3:1 ratio is a worst-case; best case as it sits now is 10:1. The fact you ignore is that shale is entirely in the US, which means jobs here. Sending $2.50 a gallon (42 gal/bbl at $105/bbl) to OPEC — made up of nations which have terrorism as 99% of their export economy — saddles what’s left of our industrial economy with 10s if not 100s of millions of extra parasites.
Even if true, you still have to put at least 10 times as much into the ground as the Saudis do. And they buy our planes and invest. Ours is a reserve when you can’t get theirs anymore.
I’ve always thought that we should have taken them over the minute they nationalized our oil companies in the 50s, 60s and 70s. But we kept getting guilt tripped for Iran 1953.