Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
China's overseas oil investments uphold national energy security. Located in the complex international economic and political environment, the benefits of overseas oil projects are affected by various uncertainties. Oil companies call for a set of evaluation method dealing with these uncertainties, especially when encountering low-oil-price conditions. It is much more crucial to answer when to optimally invest rather than whether to invest. This paper analyzes the investment opportunity of an oil project in the development and production phase considering uncertainty, irreversibility and management flexibility. The decision-making process combines Discounted Cash Flow (DCF) method and the trinomial tree model of Real Option Approach (ROA). For practical purposes, tools of hurdle price, cumulative probability and decision tree are adopted. In addition, results of the case project show the economic feasibility at present and optimal start-up timing at the end of 2016. Besides, the lower cost parameters generally make it easier to meet the opportunity. The scenario analysis suggests the higher risk contributes to an earlier start-up. Furthermore, the issues of method applicability, investment signals and decision-lag effects are discussed.