Well taking an oil price of $60, and assuming that they're producing 365 days in year, with 80% ownership that would be $3,504,000 per year.
With that much unexplored acreage seems like they're about to start drilling exploration wells on the rest on the most attractive prospects.
If they publish their seismic data, we can get an idea of the potential size of possible discoveries.
Who knows, they might have already been doing that without telling anyone and hence the possible tie up. After all, you don't go to a large oil company with an idea, you go with hard seismic data and say these are the possibilities.
They might have even drilled some wells and be about to report on their findings.
Anything is possible. Now we're just waiting for the company to make its move.
My post are my opinion only. You should do your own due diligence before investing in any stock or take professional advice. I am not an investment advisor. Kind Regards.