Injectivity Test At Long Valley Caldera Geothermal Area (Morin, Et Al., 1993)

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Exploration Activity: Injectivity Test At Long Valley Caldera Geothermal Area (Morin, Et Al., 1993)

Exploration Activity Details
Location Long Valley Caldera Geothermal Area
Exploration Technique Injectivity Test
Activity Date - 1992

Usefulness not useful
DOE-funding Unknown

 
Exploration Basis
An injection test was run following completion of Phase II drilling of LVEW after the well was cased to 2313 m depth, leaving a 215 m uncased interval of metasedimentary rock at the bottom of the wellbore.
 
Notes
A flow meter was placed downhole during the injection test, and the decline in the water level in the wellbore was monitored from the surface following injection. The results of this injection test are difficult to interpret due to possible flow of injected water into the annulus between the well casings, however an upper permeability limit of 0.001 millidarcy for the open hole section of the well is considered accurate.

 
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Additional References