Oita Geothermal Area

GEOTHERMAL ENERGY

Area Overview

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Geothermal Area Profile

Location:	Oita, Japan
Exploration Region:	Ryuku Arc
GEA Development Phase:	Operational "Operational" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.
Coordinates:	33.1789°, 131.3769°

Resource Estimate

Mean Reservoir Temp:
Estimated Reservoir Volume:
Mean Capacity:	13.54 MW 13,540 kW 13,540,000 W 13,540,000,000 mW 0.0135 GW 1.354e-5 TW
USGS Mean Reservoir Temp:
USGS Estimated Reservoir Volume:
USGS Mean Capacity:

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History and Infrastructure

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Operating Power Plants: 5

Hatchobaru Geothermal Power Plant Kuju Kanko Hotel Geothermal Power Plant Otake Geothermal Power Plant Suginoi Hotel Geothermal Power Plant Takigami Geothermal Power Plant

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity:
Net Production Capacity:
Owners  :	Kyushu Electric Power Kujyu Kanko Hotel Suginoi Hotel Idemitsu Oita Geothermal Co/Kyushu Electric Power
Power Purchasers :
Other Uses:

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Regulatory and Environmental Issues

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Exploration History

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First Discovery Well

Completion Date:
Well Name:
Location:
Depth:
Initial Flow Rate:
Flow Test Comment:
Initial Temperature:

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Well Field Description

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Well Field Information

Development Area:
Number of Production Wells:
Number of Injection Wells:
Number of Replacement Wells:
Average Temperature of Geofluid:
Sanyal Classification (Wellhead):
Reservoir Temp (Geothermometry):
Reservoir Temp (Measured):
Sanyal Classification (Reservoir):
Depth to Top of Reservoir:	350 m 0.35 km 0.217 mi 1,148.294 ft 382.764 yd
Depth to Bottom of Reservoir:	1912 m 1.912 km 1.188 mi 6,272.966 ft 2,090.982 yd
Average Depth to Reservoir:	1131 m 1.131 km 0.703 mi 3,710.63 ft 1,236.873 yd

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Geology of the Area

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Geologic Setting

Tectonic Setting:	Subduction Zone
Controlling Structure:
Topographic Features:
Brophy Model:	Type E: Extensional Tectonic, Fault-Controlled Resource
Moeck-Beardsmore Play Type:	CV-2a: Plutonic - Recent or Active Volcanism, CV-3: Extensional Domain "CV-2a: Plutonic - Recent or Active Volcanism, CV-3: Extensional Domain" is not in the list of possible values (CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive, CV-2a: Plutonic - Recent or Active Volcanism, CV-2b: Plutonic - Inactive Volcanism, CV-3: Extensional Domain, CD-1: Intracratonic Basin, CD-2: Orogenic Belt, CD-3: Crystalline Rock - Basement) for this property.

Geologic Features

Modern Geothermal Features:
Relict Geothermal Features:
Volcanic Age:
Host Rock Age:
Host Rock Lithology:
Cap Rock Age:
Cap Rock Lithology:

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Geofluid Geochemistry

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Geochemistry

Salinity (low):
Salinity (high):
Salinity (average):
Brine Constituents:
Water Resistivity:

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NEPA-Related Analyses (0)

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Below is a list of NEPA-related analyses that have been conducted in the area - and logged on OpenEI. To add an additional NEPA-related analysis, see the NEPA Database.

CSV No NEPA-related documents listed.

Exploration Activities (0)

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Below is a list of Exploration that have been conducted in the area - and cataloged on OpenEI. Add a new Exploration Activity

No exploration activities listed on OpenEI.

References

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List of existing Geothermal Resource Areas.

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