Japan:

Short-Term Flow Test of Geothermal Exploratory Well Conducted in Hokkaido (Mitsubishi Materials - News Release)

Short-Term Flow Test of “Musadake SMMG－2D

(Shot on June 15th, 2015）

Japan Petroleum Exploration Co., Ltd., Mitsubishi Materials Corporation and Mitsubishi Gas Chemical Company, Inc. have been conducting drilling investigation for geothermal power plant in Musadake area since 2013, with the financial support from Japan Oil, Gas and Metals National Corporation (JOGMEC). In this investigation, we conducted the short-term flow test*1 on the Geothermal Exploratory Well "Musadake SMMG - 2D" drilled in 2014.

The short-term flow test of "Musadake SMMG - 2D" had been conducted for 14 days, from June 12th to June 25th. In this test, we have confirmed 26 tons of steam per hour and 16 tons of hot water per hour*2. We will continue reviewing of commercialization of geothermal power generation in Musadake area.

The companies had previously reported that if the location proves promising, they will build a 15 MW geothermal power plant, aiming to start its operations in or around 2023.

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