What this discovery also says is that there is potentially soo much oil still sitting in the deeper earth that hasn't even been touched yet. Discoveries that could dwarf whatever the Saudis have sitting under them.
The technology to start exploring to these depths has really started coming on line the past 10 years.
And you wonder why the China National Petroleum Corporation is probably quietly negotiating with Vietnam and the Philippines to drill for oil in the Spratly Islands. Some have estimated that the undersea oilfields around the Spratly Islands could yield as much as 300 billion barrels of crude oil, a massive find to say the least.
In the end, the only way to find oil is actually to dig wells. After lots of dry holes, comes a gusher!