OIL & GAS AND ENERGY GLOBAL ISSUES PETROLEUM ECONOMICS The lecture addresses the subject of Oil & Gas industy in the context of the world of Energy together with the Global Economy Oil & Gas resources will still represent an important share of the energy mix during the next decades Important Oil & Gas projects are characterized by a high level of risks and cost. The economic evaluation is a must to measure the profitability of these projects. It is a part of the investment decision process Global warming aspects must be considered when developing new sources of energy Renewable energy are a part of the energy mix and their internal economic viability must be demonstrated with the objective for these energies to increase their contribution in the long term.