Chemical Stimulation Treatment of the Rossi 21-19 Well Beowawe Geothermal Field
The tests reported were part of the DOE Geothermal Reservoir Well Stimulation Program. This was an attempt to ameliorate near-wellbore restricted permeability in a well at a field where other wells flowed at high rates. The two stage treatment first injected HCl followed by a large volume of HCl-HF acid solution. This was a relatively inexpensive treatment, with costs shown. Injectivity tests showed a 2.2 fold increase in injectivity attributable to the second treatment, but mechanical complications with the well precluded an adequate production test. Flow of the fluid out into the formation was measured by Sandia using surface electrical potential. LANL detected microseismic events during the stimulation, which might be especially significant.
- Research Organization:
- Repbulic Geothermal, Inc., Santa Fe Springs, CA
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-79AL10563
- OSTI ID:
- 860622
- Report Number(s):
- RGI-1841Z
- Country of Publication:
- United States
- Language:
- English
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