Interpretation of self-potential measurements during injection tests at Raft River, Idaho. Final report

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Report: Interpretation of self-potential measurements during injection tests at Raft River, Idaho. Final report

Abstract
Self-potential measurements before and during injection tests at Raft River KGRA, Idaho indicate a small negative change. The magnitude of the change (5 to 10 mV) is near the noise level (5 mV) but they extend over a fairly broad area. The presence of a cathodic protection system clouds the issue of the validity of the changes, however the form of the observed changes cannot be explained by any simple change in the current strength of the protection system. Furthermore, similar changes are observed for two separate tests, months apart. Modeling of the changes indicate that they are likely caused by a fracture extending from the reservoir (1400 m) to close to the surface.

Authors 
Sill and W. R.  








Published 
DOE Information Bridge, 9/1/1983





DOI 
10.2172/6880654


 

Citation

Sill, W. R.  . 9/1/1983. Interpretation of self-potential measurements during injection tests at Raft River, Idaho. Final report. (!) : DOE Information Bridge.


Related Geothermal Exploration Activities
Activities (1)


Areas (1)
  1. Raft River Geothermal Area
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