Ogiri Geothermal Area

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Ogiri Geothermal Area

Area Overview

Geothermal Area Profile

Location: Kagoshima, 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: 31.70836712621°, 130.65177301953°

Resource Estimate

Mean Reservoir Temp: 260°C533.15 K
500 °F
959.67 °R

Estimated Reservoir Volume: 12 km³12,000,000,000 m³
2.879 mi³
423,776,000,652 ft³
15,695,407,428 yd³
12,000,000,000,000 L

Mean Capacity: 30 MW30,000 kW
30,000,000 W
30,000,000,000 mW
0.03 GW
3.0e-5 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 0

No geothermal plants listed.

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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  :

Power Purchasers :

Other Uses:

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Regulatory and Environmental Issues

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Exploration History

First Discovery Well

Completion Date:

Well Name:



Initial Flow Rate:
  • "fc" is not declared as a valid unit of measurement for this property.
  • The given value was not understood.

Flow Test Comment:

Initial Temperature:

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Well Field Description

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: 500m0.5 km
0.311 mi
1,640.42 ft
546.805 yd

Depth to Bottom of Reservoir: 2000m2 km
1.243 mi
6,561.68 ft
2,187.22 yd

Average Depth to Reservoir: 1250m1.25 km
0.777 mi
4,101.05 ft
1,367.013 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Subduction Zone

Controlling Structure: Major Normal Fault

Topographic Features: Stratovolcano

Brophy Model: Type B: Andesitic Volcanic Resource

Moeck-Beardsmore Play Type: CV-1a: Magmatic - Extrusive, CV-3: Extensional Domain"CV-1a: Magmatic - Extrusive, 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: Fumaroles, Hot Springs

Relict Geothermal Features:

Volcanic Age: Quaternary

Host Rock Age: Quaternary

Host Rock Lithology: Andesite

Cap Rock Age:

Cap Rock Lithology: Alteration minerals

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Geofluid Geochemistry


Salinity (low):

Salinity (high):

Salinity (average):

Brine Constituents:

Water Resistivity:

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NEPA-Related Analyses (0)

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)

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

No exploration activities listed on OpenEI.


  1. 1.0 1.1 1.2 1.3 1.4 1.5 Ruggero Bertani. 2005. World Geothermal Power Generation 2001-2005. Proceedings of World Geothermal Congress; Turkey: World Geothermal Congress.

List of existing Geothermal Resource Areas.

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