This company is targeting a similar number of acres as AOK and seem to be a few steps ahead in aquisitions, reserve reports, etc. Makes for interesting reading:
http://www.osageexploration.com/s/NewsReleases.asp?DateRange=2011/01/01...2011/12/31
As does the share price:
http://www.osageexploration.com/s/StockInfo.asp