抄録
Current activities of Itochu Oil Exploration Company Ltd. in Indonesia, Azerbaijan, UK North Sea, Algeria and others are reviewed. Technical issues of each project are introduced and current efforts to challenge against those are explained. Core areas and types of new projects being sought by the company are introduced and discussed. Because the company profit of upstream business will be heavily affected by the uncertainties in reserves revision of projects, world oil price and currency exchange rate, technical challenge and project portfolio are to be well designed to minimize risks in uncertain future development of various factors.