I must have read something like 20 posts on the profit share or...

I must have read something like 20 posts on the profit share or profitability of the Ranu PSC

Why not just leave it to the experts to tell you this

"Valuation
Under the Ranau PSC terms, Quest and its partner will be entitled to 62% of revenue and will pay 40% corporate tax on profits. The company estimates that its net, post-tax cash flow from operations would be 25% of revenue from oil and 35% of revenue from gas."

Research report from QPN website

http://www.qpnl.com.au/media/files/121023%20Strachan%20Corporate%20Research%20Report.pdf

So Post tax 25% of oil 35% gas simple