Low Cost Exploration, Testing, and Development of the Chena Geothermal Resource
From Open Energy Information
Journal Article: Low Cost Exploration, Testing, and Development of the Chena Geothermal Resource
AbstractThe Chena Hot Springs geothermal field was intensivelyexplored, tested, and developed without a wireline unit betweenOctober 2005 and August 2006. Due to the remote locationof the project and its small size of 0.4 MW, it was necessaryto perform the work without the geothermal industry infrastructuretypically utilized in the 48 contiguous states. Thiscould largely be done because some of the wells were capableof artesian flow at below boiling temperatures. The geology,consisting of solid granite below a few tens of feet of alluviumallows for rapid air hammer drilling and minimal casing ortubing requirements. Wells up to 1020 feet deep were loggedwith precision temperature and pressure instruments understatic, flowing, and injecting conditions with hand crankedreels. Low cost well monitoring hardware consisting of usedcapillary tubing systems and programmable data loggers wereobtained and installed by hand for interference testing andmonitoring purposes.
- Dick Benoit, Gwen Holdmann and David Blackwell
- Published Journal
- GRC Transactions, 2007
- Not Provided
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Dick Benoit,Gwen Holdmann,David Blackwell. 2007. Low Cost Exploration, Testing, and Development of the Chena Geothermal Resource. GRC Transactions. 31:147-152.