Transcript Geothermal Engineering Ltd

David Bridgland – Finance Director
UNITED DOWNS DEEP GEOTHERMAL PROJECT
17th November 2011
• Background
• Proposition
• Why the United Downs?
• Progress
• Summary
GEOTHERMAL ENGINEERING LTD
OVERVIEW
Ove Arup and Partners Ltd. International engineering
consulting firm (1946). Over 90 offices Worldwide with more
than 10,000 employees
GeoScience Ltd (Tony Batchelor). Providers of engineering
and scientific support to geothermal and oil and gas projects
Worldwide
GEOTHERMAL ENGINEERING LTD
WHO ARE WE?
MAIN FEATURES
• 10 MW electric (7MW net) ~ 50 MW
thermal
• Production ~ 150kg/s at 175°C
• Three well system; two producers,
one injector
• Target depth ~ 4.5km
• Anticipated temperature approaching
200°C
• Host structure (buried granite) has
naturally higher permeability than
surrounding rock
• Stimulation within and adjacent to the
fault structure
• ~ £50 million, in defined stages
GEOTHERMAL ENGINEERING LTD
UNITED DOWNS PROJECT
GEOTHERMAL ENGINEERING LTD
UNITED DOWNS LOCATION
United Downs
•Drilling records from the Hot Dry Rock project (3 boreholes,
deepest to 2.7kms) < 10kms from the United Downs site
•Temperature data (boreholes and mines)
•Gravity data
•In-situ stress data
•Injection and circulation tests
•Mining records (extensive)
•Heat flow data (with depth)
•Seismic lines (off shore and on-shore)
•Geo-chemistry
•Stimulation programme and micro-seismic interpretation
GEOTHERMAL ENGINEERING LTD
WHY THE UNITED DOWNS?
3rd Qt 2009
4th Qt 2009
1st Qt 2010
1st/ 2nd Qt
2010
2nd Qtr 2010
3rd Qt 2010
3rd Qt 2011
• 12 month geological study completed
• Grant of ~£1.5m awarded from the Department of Energy and Climate Change
• Full EIA and seismic hazard assessment completed
• Well design
• Tender process for drilling, tubulars, well head, drill bits
• Grid connection offer
• Preliminary power plant design
• Permits to drill received (planning consent and Environment Agency)
• Grant of ~£6m awarded from the Department of Business, Innovation and Skills
GEOTHERMAL ENGINEERING LTD
UNITED DOWNS - PROGRESS
AIMS
• 10MWe
• 50MWth
GEOLOGY
• Significant data
available
RISK
MITIGATION
• Permeability
• Temperature
• Exploration risk insurance
(Germany, France)
• Match funding (Australia)
RISK
• Uncertainty not
eliminated
[email protected]
GEOTHERMAL ENGINEERING LTD
SUMMARY