scholarly journals A comprehensive study of fracture patterns and densities in the Geysers geothermal reservoir using microearthquake shear-wave splitting tomography. Quarterly report for Sep-Dec 1998

10.2172/6215 ◽  
1999 ◽  
Author(s):  
Peter E. Malin ◽  
Eylon Shalev
Keyword(s):  
Shear Wave ◽  
Shear Wave Splitting ◽  
Geothermal Reservoir ◽  
Fracture Patterns ◽  
Wave Splitting ◽  
The Geysers ◽  
Geysers Geothermal Reservoir ◽  
Comprehensive Study

Shear-wave splitting from local earthquakes at the Geysers Geothermal Field, California

1995 ◽  
Vol 22 (4) ◽  
pp. 501-504 ◽  
Author(s):  
John R. Evans ◽  
Bruce R. Julian ◽  
G. R. Foulger ◽  
Alwyn Ross
Keyword(s):  
Shear Wave ◽  
Shear Wave Splitting ◽  
Geothermal Field ◽  
Local Earthquakes ◽  
Wave Splitting ◽  
The Geysers

Characterization of geothermal reservoir crack patterns using shear‐wave splitting

Geophysics ◽  
1997 ◽  
Vol 62 (2) ◽  
pp. 487-494 ◽  
Author(s):  
Min Lou ◽  
J. A. Rial
Keyword(s):  
Density Distribution ◽  
Shear Wave ◽  
Time Delays ◽  
Shear Wave Splitting ◽  
Seismic Network ◽  
Geothermal Reservoir ◽  
Fracture Density ◽  
Crack Patterns ◽  
Wave Splitting

Microearthquakes recorded by a downhole, three‐component seismic network deployed around the Coso, California, geothermal reservoir since 1992 display distinctive shear‐wave splitting and clear polarization directions. From the polarizations we estimated three predominant subsurface fracture directions, and from the time delays of the split waves we determined tomographically the 3-D fracture density distribution in the reservoir.

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