Geothermal Resource Exploration and Definition
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Geothermal Resource Exploration and Definition. U.S. Department of Energy Sandia National Laboratories. GRED Program Geothermal Resource Exploration & Definition. Program Management Team Ray Fortuna, DOE/HQ Dan Sanchez, DOE/AL Jay Nathwani, DOE/GO Ed Hoover  Craig Tyner, SNL

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Geothermal Resource Exploration and Definition

U.S. Department of Energy

Sandia National Laboratories


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GRED ProgramGeothermal Resource Exploration & Definition

  • Program Management Team

    • Ray Fortuna, DOE/HQ

    • Dan Sanchez, DOE/AL

    • Jay Nathwani, DOE/GO

    • Ed Hoover  Craig Tyner, SNL

    • Norm Warpinski, SNL

    • Allan Sattler, SNL

  • Funding

    $900,000 — FY00

    $2,000,000 — FY01

    $1,775,000 — FY02

    $3,850,000 — FY03

    ~$1,750,000 — FY04


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GRED ProgramGeothermal Resource Exploration & Definition

  • Goals and Objectives

    • Develop collaborative efforts to support the exploration for and definition of new geothermal resources

      • Mitigate The Initial Risk Of Confirming A Reservoir

      • Encourage Geographic Diversity

    • Effect an increase in the electrical power generated from geothermal energy

      • Increase Overall Generating Capacity (40,000 MWe)

    • Promote additional geothermal development to aid development of technology

      • Decrease the levelized cost of geothermal energy


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GRED ProgramGeothermal Resource Exploration & Definition

  • Program Approach

    • Original Geographic-Diversity Focus

      • GRED (2000)

        • New States, New Fields, Extensions

        • Now Closing Out

      • GRED II (2002)

        • New States, New Fields

        • Generally In Phase II Work

    • New Risk Focus

      • GRED III (2004)

        • New Solicitation

    • DOE Cooperative Agreements

      • Preferred Contractual Instrument

      • Flexibility


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GRED ProgramGeothermal Resource Exploration & Definition

DOE/HQ

DOE/AL

Program Management

& Contracting

DOE/GO

Program Management

& Contracting

Sandia Natl. Labs

Technical Management

& Support

GRED I

GRED II

GRED III

Individual Projects

(Cooperative Agreements)

FY00

FY01

FY02

FY03

FY04

FY04


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GRED ProgramGeothermal Resource Exploration & Definition

  • Scope of Work for Individual Projects

    • Phase I

      • Exploration Work To Site A Test Well

        • Geologic Studies, Geophysics, Geothermometry

    • Phase II

      • Slim-Hole Drilling

        • Logging, Core, Short Tests

    • Phase III

      • Well Testing & Reservoir Assessment


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GRED Science & Engineering Areas

Geophysics

Drilling

Phase I :

Exploration geophysics to determine optimum location for a test well

Phase II :

Drilling of a test well to

access the reservoir and evaluate geologic features

Fourmile Hill Temperature Logs (454° Max)

Steamboat Hills Velocity Model

Testing

Assessment

Phase III :

Testing of the well for

reservoir qualities, flow capacity & thermal characteristics

Potential of the new resource to provide geothermal power

Lightning Dock Temperature Contours

Rye Patch Testing


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Phase Project Company

3 Rye Patch Presco Energy, LLC

3 Blue Mt. Noramex Corp.

3 Steamboat SB Geo, Inc.

3 Lightning Dock Lightning Dock Geothermal, Inc.

2 Cove Fort Utah Municipal Power Agency

1 Fourmile Hill Calpine Corp.

1 U-Boat Coso Operating Unit (Caithness)

GRED I – Project Status

Fourmile Hill – 49 MW

Blue Mountain - ?

Rye Patch – 12 MW

U-boat

Steamboat – 42 MW

Cove Fort/Sulphurdale

Lightning Dock - ?


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GRED II – Project Status

Phase Project Company

3 Raft River, ID U.S. Geothermal, Inc.

2 Animas Valley, NM Americulture, Inc.

2 Truckhaven, CA Layman Energy Assoc.

2 Lake City, CA Lake City Geothermal, LLC.

2 Blue Mt, NV Noramex Corp.

1 San Francisco Mt., AZ Northern Ariz. Univ.

? Glass Mountain, CA Calpine Corp.

? Fly Ranch, NV Advanced Thermal Systems


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GRED III Program

  • New FOA

    • Release In Late March, 2004 (DOE/GO)

    • Initial Awards In Late FY04

    • Risk-Based Approach

      • High Risk (Unpenetrated Thermal Anomaly)

        • 80% Maximum DOE Cost Share

      • Medium Risk (No Production In Anomaly)

        • 50% Maximum DOE Cost Share

      • Low Risk (In Vicinity Of Producing Reservoir)

        • Requires Advanced Technology

        • 20% Maximum DOE Cost Share

    • Premium On Advanced Technology

      • Additional Cost Share For Appropriate R&D Usage


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GRED ProgramGeothermal Resource Exploration & Definition

  • Conclusions

    • Successful GRED I Program Is Nearly Complete

      • 7 Projects Funded: Close-Out Stage In Most Projects

      • 4 Projects Should Progress Through Phase III

      • Significant Potential In These Sites

    • GRED II Ongoing

      • 8 Projects Funded

      • 4 Projects In Phase II; 1 Project In Phase III

    • New GRED III

    • Overall Program Is:

      • Successfully Encouraging New Exploration & Reservoir Confirmation

      • Contributing To Overall Geothermal Program Goals & Objectives

      • Connecting Projects With New Technology