The second geological survey of oil fields in Japan and studies on petroleum geology

－A story about Japanese petroleum exploration in the past （part 6）

Abstract

The writer presents an outline of the second geological survey of oil fields in Japan, and Mr. Chitani, who played an active role in the Geological Survey of Japan, and his contribution to petroleum exploration in Japan are briefly described. His classmate at the Imperial University of Tokyo, Dr. Takahashi, is a pioneer in the field of origin of petroleum and petroleum geology in Japan and a part of his achievements is presented in this paper.