Japan Petroleum ExplorationLtd. 

Japan Petroleum Exploration Co., Ltd. (JAPEX) is an energy enterprise focused on the exploration, development, production, and marketing of oil, natural gas, and a variety of other energy sources both in Japan and internationally. Within Japan, the company oversees 10 domestic oil and natural gas fields situated on land and offshore in Hokkaido, Akita, Yamagata, and Niigata prefectures. JAPEX also operates and maintains a substantial natural gas pipeline network, spanning approximately 800 kilometers. Beyond these core operations, JAPEX is involved in a broad spectrum of related activities. These encompass providing drilling and engineering services, manufacturing and distributing oil products, engaging in real estate management and insurance services, and handling the sale and transportation of crude oil, alongside waste oil recycling. The company further specializes in geophysical exploration and logging, pursues the development and production of unconventional resources like tight oil, oil sands, and shale gas, and trades in LNG and other petroleum products. Additionally, JAPEX offers industrial disaster prevention and security services, develops various renewable energy sources (including solar, wind, geothermal, and biomass), supplies electric power, produces drilling mud preparations, and manages the operation of power generation facilities. Founded in 1955, the company's headquarters are located in Tokyo, Japan.