[PDF][PDF] Seismic monitoring of EGS stimulation tests at the Coso geothermal field, California, using microearthquake locations and moment tensors

BR Julian, GR Foulger, FC Monastero - Thirty-Fourth Workshop on …, 2009 - es.stanford.edu
We calculated high-resolution relative locations and full moment tensors for
microearthquakes that occurred before, during, and following EGS stimulation experiments …

Seismic monitoring of EGS tests at the Coso Geothermal area, California, using accurate MEQ locations and full moment tensors

GR Foulger, BR Julian, FC Monastero - 2008 - osti.gov
In this study, we studied high-resolution relative locations and full moment tensors of
microearthquakes (MEQs) occurring before, during and following Enhanced Geothermal …

Microearthquake moment tensors from the Coso Geothermal area

BR Julian, GR Foulger, F Monastero - 2007 - osti.gov
The Coso geothermal area, California, has produced hot water and steam for electricity
generation for more than 20 years, during which time there has been a substantial amount of …

Downhole microseismic monitoring of injection stimulations at the Utah FORGE EGS site

J Rutledge, B Dyer, F Bethmann, P Meier… - ARMA US Rock …, 2022 - onepetro.org
Downhole microseismic monitoring provides the best means of detecting, mapping and
characterizing the fracture systems developed during the creation and evolution of …

Characterization of induced seismicity near an injection well at the northwest Geysers geothermal field, California

G Viegas, L Hutchings - Geothermal Resources Council …, 2011 - episodesplatform.eu
We investigate the temporal and spatial dependence of source parameters of micro-
earthquakes (< M3) before and during water injection at the Northwest Geysers between …

Location of hydraulic fractures using microseismic techniques

JA Albright, CF Pearson - 1980 - osti.gov
Microearthquakes with magnitudes ranging between-6 and-2 have been observed in three
successive massive injections of water at the Hot Dry Rock Geothermal Energy …

[PDF][PDF] Microearthquake Hypocenter-Location and Focal-Mechanism Inversions for the EGS Collab Project: A Synthetic Study

Y Chen, L Huang, EC Team - Proceedings: 43rd Workshop …, 2018 - pangea.stanford.edu
Multiple US national laboratories and universities are conducting collaborative research
under the EGS Collab project supported by the US Department of Energy, to understand the …

[PDF][PDF] Thermal stimulation and injectivity testing at Raft River, ID EGS site

J Bradford, M Ohren, WL Osborn… - Proceedings of 39th …, 2014 - pangea.stanford.edu
ABSTRACT The Raft River geothermal field is the site of an innovative Department of
Energy Enhanced Geothermal System (EGS) project to determine the viability of using …

Analysis of seismic moment tensors, in-situ stress, and finite-source scaling of Earthquakes at the geysers geothermal field, California

OS Boyd - 2018 - escholarship.org
The objective of this research was to develop methodologies of interest to the geothermal
industry to estimate critical parameters needed to characterize the fracture network …

Reservoir fracture mapping using microearthquakes: Two oilfield case studies

WS Phillips, JT Rutledge, TD Fairbanks… - … Reservoir Evaluation & …, 1998 - onepetro.org
Patterns of microearthquakes detected downhole defined fracture orientation and extent in
the Austin chalk, Giddings field, Texas, and in the 76 field, Clinton County, Kentucky. At two …