In situ stress and fracture permeability along the Stillwater fault zone, Dixie Valley Nevada
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
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Abstract
Borehole televiewer and hydrologic logging and hydraulic fracturing stress measurements were carried out in a 2.7-km-deep geothermal production well (73B-7) drilled into the Stillwater fault zone. Precision temperature and spinner flowmeter logs were also acquired in well 73B-7, with and without simultaneously injecting water into the well. Localized perturbations to well-bore temperature and flow were used to identify hydraulically conductive fractures. Comparison of these data with fracture orientations from the televiewer log indicates that permeable fractures within and adjacent to the Stillwater fault zone are critically stressed, potentially active shear planes in the current west-northwest extensional stress regime at Dixie Valley.
Suggested Citation
Hickman, S., Barton, C.A., Zoback, M.D., Morin, R., Sass, J., Benoit, R., 1997, In situ stress and fracture permeability along the Stillwater fault zone, Dixie Valley Nevada: International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, v. 34, no. 3-4, https://doi.org/10.1016/S0148-9062(97)00169-1.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | In situ stress and fracture permeability along the Stillwater fault zone, Dixie Valley Nevada |
| Series title | International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts |
| DOI | 10.1016/S0148-9062(97)00169-1 |
| Volume | 34 |
| Issue | 3-4 |
| Year Published | 1997 |
| Language | English |
| Publisher | Elsevier Sci Ltd |
| Publisher location | Exeter, United Kingdom |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts |
| First page | 414 |
| Conference Title | Proceedings of the 1997 36th US Rock Mechanics ISRM International Symposium |
| Conference Location | New York, NY, USA |
| Conference Date | 29 June 1997 through 2 July 1997 |