2018 年 83 巻 6 号 p. 521-527
Mr. Ichizo Omura is the first and most famous petroleum geologist among geologists working in Japanese oil companies at the Taisho to early Showa era. A part of his contribution to petroleum exploration and the spread of petroleum geology in Japan, and outlines of three technical journals which played the same role as Journal of the Japanese Association for Petroleum Technology before its publication are presented in this paper.