Sputnik on the launchpad, page-32

Biggest risk is that the prospect has been defined on 3D data and the amplitude anomaly is assumed to represent either an oil or gas filled turbidite reservoir.

Now even me a non geophysics chap knows that you can tweak 3D data to get what ever you want, look at all the supposed no brainers prospects offshore Namibia all based upon 3D mapping of amplitude anomalies, drilled and what did they find.

Stuff all, no reservoir and no hydrocarbons.

No say it is not worth drilling but know the risk, hence Freeport taking PVD out makes sense as then they own the whole permit, and if the first well a complete dud can walk away with out drilling the second well.