PowerPoint Presentation - Department of Energy 2009 Peer Review... · Presentation • CAES Aquifer...
Transcript of PowerPoint Presentation - Department of Energy 2009 Peer Review... · Presentation • CAES Aquifer...
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Presentation
• CAES Aquifer Technology• Geological Framework of Iowa• Dallas Center Structure• Results of CAES Feasibility
Simulation• ISEP CAES Development Plan
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How Does CAES Work?
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CAES Turbo-Machinery Operating Requirements
Equipment Manufacturer
Plant Size (MW)
Min. Inlet Pressure (psi)
Min. Flow Rate (lbs/MW/hr)
Total Min. Flow Rate (lb/hr)
Allison 15 200 9500 142,500
MAN Turbo 50 50 9500 475,000
Dresser Rand 134 830 9500 1,273,000
Alston 300 900 9500 2,850,000
Westinghouse (501D5) 350 750 9500 3,325,000
Westinghouse (501F) 450 750 9500 3,275,000
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Earth Storage System Designs
All based on the concept of multiple geologic and hydrologic barriers.
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DESIGN CRITERIA
• Capacity: 5 to 10 BCF Total Vessel Volume• Integrity of Vessel: <4% of Volume over a year• Fluid Deliverability
– 400#/sec = 464 MMscfd– Minimum Pressure - 830 psi
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CAES Aquifer Storage System
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Geology of Iowa
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Mt. Simon Sandstone
Jordan Sandstone
St. Peter SandstoneGlenwood Fm.
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Precambrian Geology of Iowa
Dallas Center StructureDallas Center Structure
Stanhope StructureStanhope Structure
Dallas Center StructureDallas Center Structure
Stanhope StructureStanhope Structure
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Iowa's Underground Hydrocarbon Storage Structures
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Dallas Center Structure
Geological Evaluation
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DallasCounty
elevation of the topof the Devonian
geology of thePrecambriansurface
Thurman-RedfieldFault System
Perry-HamptonFault System
sea level
1,000 ft
-900 ft
-2,000 ft
Dallas CenterStructure
Dallas CenterStructure
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Dallas Center Mt. Simon StructureMount Simon Elevation
Well location
ft. msl
1855000 1860000 1865000 1870000
595000
600000
605000
610000
615000
620000
625000
-2340
-2300
-2260
-2220
-2180
-2140
-2100
-2060
-2020
-1980
-1940
-1900
-1860
-1820
-1780
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Dallas Center CAES Simulation
Approach1. Redfield Gas Storage SimulationDallas Center CAES Simulation
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Bubble Development & Air Cycling Plan
Create a Bubble Cycle Air
Potential Pressure Spike: Solution– Well Configuration– Staged Development
Well Configuration
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Conclusions from Model• Dallas center CAES project
technically feasible.• Adequate geological storage
structure to support two 134 MWe CAES units.
• CAES system performance feasible-good match to turbines.
• Complex development plan.• Site merits further
investigation
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Dallas Center CAES Development Plan
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Exploratory Drilling Program• Site, lease and permit exploratory
test wells (two wells)• Drilling Contract Bid• Drill & Coring 2 Exploratory Wells• Geophysical Logging• Laboratory Core Analysis• Conduct Water Pumping Test• Eventually Test Inject Air into
Structure• Model Test Results for CAES
Design
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Develop Dallas Center CAES Plant
• Project & Environmental Permitting
• Design Power Plant & Order Equipment
• Drill & Construction 11 New Air Injection/Withdrawal Wells
• Pump Air Into Structure to Create Commercial Air Bubble
• Build Power Plant• Operate Power Plant
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the end
Iowa Geological SurveyThanks,Michael l KingM.G. Eischeid drill rig, 1987