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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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PhaseProjectCompany

3Rye PatchPresco Energy, LLC

3Blue Mt.Noramex Corp.

3SteamboatSB Geo, Inc.

3Lightning DockLightning Dock Geothermal, Inc.

2Cove FortUtah Municipal Power Agency

1Fourmile HillCalpine Corp.

1U-BoatCoso 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

PhaseProject Company

3Raft River, IDU.S. Geothermal, Inc.

2Animas Valley, NMAmericulture, Inc.

2Truckhaven, CALayman Energy Assoc.

2Lake City, CALake City Geothermal, LLC.

2Blue Mt, NVNoramex Corp.

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

?Glass Mountain, CACalpine Corp.

?Fly Ranch, NVAdvanced 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


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