Sorry, didn’t know you can’t open the seeking alpha Marathon article. I just joined them so long ago, I forgot. It was free, I think it still is.
The complete presentation is on the Marathon Oil Company investor relations presentations website. Great maps.
http://files.shareholder.com/downloads/AMDA-DZ30I/2111653038x725729…(9-1-2014)%20(97-2003%20Pres.).pdf