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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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slide1

Geothermal Resource Exploration and Definition

U.S. Department of Energy

Sandia National Laboratories

gred program geothermal resource exploration definition
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

gred program geothermal resource exploration definition3
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
gred program geothermal resource exploration definition4
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
gred program geothermal resource exploration definition5
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

gred program geothermal resource exploration definition6
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
gred science engineering areas
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

gred iii program
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
gred program geothermal resource exploration definition11
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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