The supposed methodological approach to the evaluation of oil investment project is based on the principle of correlation of profits and expenses, nature protection expenses included at their early stage. The advantage of this analysis is the possibility of making project analysis of ecological risks based on the method analysis of taking decisions and the analysis of the economical results. The account of the ecological factor of the oil project model of evaluation is based on the developed interaction of the technological, ecological and economic information. It’s basis is project documentation, project influence materials, evaluation upon the environment and accountants report.