Hachijojima Geothermal Area

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Hachijojima Geothermal Area




Area Overview



Geothermal Area Profile



Location: Tokyo, Japan

Exploration Region: Northeast Honshu 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: 33.103537801737°, 139.78690285547°


Resource Estimate

Mean Reservoir Temp: 283°C556.15 K
541.4 °F
1,001.07 °R
[1]

Estimated Reservoir Volume: 77 km³77,000,000,000 m³
18.473 mi³
2,719,229,337,517 ft³
100,712,197,663 yd³
77,000,000,000,000 L

Mean Capacity: 3.3 MW3,300 kW
3,300,000 W
3,300,000,000 mW
0.0033 GW
3.3e-6 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure



Operating Power Plants: 1


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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  :
  • Tokyo Electric Power

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:

Location:

Depth:

Initial Flow Rate:
  • "eded" 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: 400m0.4 km
0.249 mi
1,312.336 ft
437.444 yd
[2]

Depth to Bottom of Reservoir: 1500m1.5 km
0.932 mi
4,921.26 ft
1,640.415 yd
[2]

Average Depth to Reservoir: 800m0.8 km
0.497 mi
2,624.672 ft
874.888 yd


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Geology of the Area



Geologic Setting

Tectonic Setting: Subduction Zone

Controlling Structure:

Topographic Features: Caldera Depression

Brophy Model: Type B: Andesitic Volcanic Resource

Moeck-Beardsmore Play Type: CV-1a: Magmatic - Extrusive


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



Geochemistry

Salinity (low): 28000

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.

References


  1. Henry J. Ramey, Jr., Roland N. Horne, Paul Kruger, Frank G. Miller, William E. Brigham, Jean W. Cook. 1993. Proceedings- 18th workshop geothermal reservoir engineering. Stanford, CA: 18th Workshop Geothermal Reservoir Engineering. Report No.: SGP- TR-145.
  2. 2.0 2.1 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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