Reinjection experiment at the matsukawa vapor-dominated geothermal field: Increase in steam production and secondary heat recovery from the reservoir |
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Authors: | Mineyuki Hanano Takemi Ohmiya Ko Sato |
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Abstract: | A reinjection experiment has been conducted in an attempt to sustain reservoir pressure and steam production and to extract remaining heat energy in the superheated reservoir in the Matsukawa vapor-dominated geothermal field. This experiment was undertaken because the increase in superheat of produced steam and the decline of steam production are the current major issues for stable operation of the power plant. Almost all the reinjected fluid into well MR 1 was recovered from well M5, and the steam production of well M5 has increased by approximately 67%. |
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