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Keywords: san andreas
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214849
... of passive records at the San Andreas Fault Observatory at Depth, which comprises of a ~800 m deep vertical array. Estimated P velocities are comparable to an active geophone survey and S velocities are extracted for the first time in the area. Over 75% of the events in the USGS catalog in the area...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0229
... Summary A high-resolution aeromagnetic survey was acquired in 2013 over exploration acreage in Central California. The Remuda study area is located in the foothills of the Central California Coast Ranges, east of the San Andreas Fault. The area has experienced episodic deformation since...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0013
... Summary The San Andreas Fault Observatory at Depth (SAFOD) is a deep borehole observatory constructed to investigate the source of recurring earthquakes at a specific location on the San Andreas Fault. Numerous geophysical datasets were acquired at the SAFOD site to characterize...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-2223
...Vs, Vp, and trends of elastic constants for active faults Stewart Thomas Taylor, Schlumberger Summary Well log measurements of compressional and shear wave velocities of faults penetrated by the main well of the San Andreas Fault Observatory at Depth were investigated. The observations indicate...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1322
... was collected at the site of the San Andreas Fault Observatory at Depth which is located about 2 kilometers from the surface trace of the San Andreas Fault near Parkfield, California. During our studies, we examined three approaches to interferometric deconvolution of drill noise data. Results of these studies...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1317
... Summary During the 2004 field season we recorded drill noise vertical seismic profile data using both downhole and surface receiver arrays at the site of the San Andreas Fault Observatory at Depth. The site is located ~2 kilometers from the trace of the San Andreas Fault near Parkfield...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-2175
... Summary The San Andreas Fault Observatory at Depth provides the most comprehensive set of data on the structure and dynamics of the San Andreas fault. We use two independent experiments recorded by the seismometer arrays of the SAFOD Pilot and Main Holes to resolve the localized structure...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-2657
... ABSTRACT In conjunction with the US Geological Survey, Duke University has collected several unique datasets at the site of the San Andreas Fault Observatory at Depth (SAFOD). As part of ongoing seismic studies at SAFOD, we acquired a seismic dataset which used drill bit energy as a seismic...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-0174
... Summary The San Andreas Fault (SAF) is the surface expression of a major plate tectonic boundary of the Pacific Plate. While widely known as the San Andreas Fault, it is probably better thought of as an extensive fault system that represents a major transform boundary between the North...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-0964
... ABSTRACT No preview is available for this paper. heterogeneity line 1 first-arrival time reflection reservoir characterization upstream oil & gas cheadle velocity model mojave segment migration san andreas seismic inversion 2 subsurface geometry pullammanappallil...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-0278
... ABSTRACT No preview is available for this paper. interpretation dispersion curve malin parkfield material property san andreas complexity delineation epicenter fault zone seismogram earthquake higher mode group velocity upstream oil & gas waveform mcevilly top trace...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1435
... ABSTRACT No preview is available for this paper. s-wave polarization azimuth reservoir characterization polarization direction azimuth upstream oil & gas increment shear-wave polarization azimuth meadow winterstein san andreas chevron oil field research railroad gap...
Proceedings Papers

Paper presented at the 1988 SEG Annual Meeting, October 30–November 3, 1988
Paper Number: SEG-1988-0184
... ABSTRACT No preview is available for this paper. reflectivity san andreas basement rock cdp imaging drill site seismic reflectivity cajon pass seismic section basement rock seismic reflectivity deep drill site fracture joint vsp dev 3 reservoir characterization california...
Proceedings Papers

Paper presented at the 1984 SEG Annual Meeting, December 2–6, 1984
Paper Number: SEG-1984-0806
... ABSTRACT No preview is available for this paper. migration velocity upstream oil & gas velocity model san andreas interval velocity interpretation andreas reconstruction reservoir characterization fault zone reflector parkfield migration velocity analysis migration...

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