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Class Information
Number: 367/40
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Received correlation
Description: Subject matter wherein the information or intelligence is identified by comparing the signal with signals from other detectors in the system or with different time segments in the same signal.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8681911 Identification signal analyzing apparatus and method for compensating for separation and attenuation of channel profile Mar. 25, 2014
8611185 Antenna for seismic survey with uniform spatial sampling in wavelength Dec. 17, 2013
8553496 Seismic source separation Oct. 8, 2013
8331192 Seismic data acquisition and source-side derivatives generation and application Dec. 11, 2012
8218394 Method for imaging the earths subsurface using passive seismic interferometry and adaptive velocity filtering Jul. 10, 2012
8139441 Method for bispectral picking of anelliptical NMO correction parameters Mar. 20, 2012
8064500 Correlation calculation control circuit and correlation calculation control method Nov. 22, 2011
7986587 Method for imaging the earth's subsurface using passive seismic sensing Jul. 26, 2011
7843766 Systems and methods for monitoring time-dependent subsurface changes Nov. 30, 2010
7751278 Fault filter for seismic discontinuity data Jul. 6, 2010
7729201 Method and apparatus for spread spectrum distance and velocity profile measurement Jun. 1, 2010
7672194 Method of seismic surveying Mar. 2, 2010
7660198 Passive seismic event detection Feb. 9, 2010
7660199 Microseismic event detection and location by continuous map migration Feb. 9, 2010
7656748 Method of determining impulse responses from a medium in relation to the transmission of waves between different points Feb. 2, 2010
7646673 Wave analysis using phase velocity processing Jan. 12, 2010
7616525 Method and apparatus for attenuation wind noise in seismic data Nov. 10, 2009
7602670 Method of seismic surveying Oct. 13, 2009
7508733 High-frequency processing of seismic vibrator data Mar. 24, 2009
7492665 Seismic data acquisition and source-side derivatives generation and application Feb. 17, 2009
7391675 Microseismic event detection and location by continuous map migration Jun. 24, 2008
7388811 Method for separating microseismic signals from seismic signals emitted by one or several sources Jun. 17, 2008
7376046 Method of seismic surveying May. 20, 2008
7356410 Method for the detection and exploration of subterranean hydrocarbon deposits by receivers of acoustic waves in a frequency range from 0.2 to 30 Hz Apr. 8, 2008
7310285 Method for characterizing shear wave formation anisotropy Dec. 18, 2007
7266041 Multi-attribute background relative scanning of 3D geophysical datasets for locally anomaluous data points Sep. 4, 2007
7260021 Method of harmonic noise attenuation in correlated sweep data Aug. 21, 2007
7085195 Method for detecting earth formation fractures by seismic imaging of diffractors Aug. 1, 2006
7050356 Method of seismic surveying May. 23, 2006
6941226 Method for determining, recording and sending GPS location data in an underwater environment Sep. 6, 2005
6898147 System for estimating azimuthal variations in seismic data May. 24, 2005
6868037 Use of drill bit energy for tomographic modeling of near surface layers Mar. 15, 2005
6859416 Apparatus and method for analyzing correlation between geophysical data and seismic data, geophysical data monitoring apparatus and method, and earthquake monitoring method Feb. 22, 2005
6791900 Method of calculating a throw volume for quantitative fault analysis Sep. 14, 2004
6757217 Method for time-aligning multiple offset seismic data volumes Jun. 29, 2004
6747914 Use of minor borehole obstructions as seismic sources Jun. 8, 2004
6704245 Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences Mar. 9, 2004
6658362 Method and apparatus for testing components Dec. 2, 2003
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
6612398 Methods for measurement, analysis and assessment of ground structure Sep. 2, 2003
6418079 Method of reducing harmonic interference while using overlapping source point seismic recording techniques Jul. 9, 2002
6253870 Methods for measurement, analysis and assessment of ground structure Jul. 3, 2001
6055213 Subsurface well apparatus Apr. 25, 2000
6028821 Process for separating waves in borehole seismics for walkway-type acquisitions Feb. 22, 2000
6026058 Method for sorting seismic data Feb. 15, 2000
6023444 Method and device for the acquisition of signals while drilling Feb. 8, 2000
5999487 Seismic reflection data acquisition and processing method and device for prospecting in tectonically complex environments Dec. 7, 1999
5991235 Seismic data imaging system Nov. 23, 1999
5585556 Method and apparatus for performing measurements while drilling for oil and gas Dec. 17, 1996
5511038 Process and device for detecting seismic signals in order to obtain vertical seismic profiles during bore drilling operations Apr. 23, 1996

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