Create a number of viable separate oil businesses. Issue every adult Iraqi citizen ownership shares in all of these separate operations. Allow these shares to be bought & sold on an Iraqi stock exchange. Those who want to stay in the oil business keep their shares and buy more. Those who prefer cash now sell their shares. Once oil is in the marketplace, the need to fight over control of the government will be reduced.
Makes way too much sense to ever happen. (Plus, you gotta know that outside interests already have dibbs on most of the oil profits.)
But, John, if you ever discover a logical utopian reality here on earth -- the kind that you describe once in awhile -- please email me. I wanna go.