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Class Information
Number: 367/21
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Offshore prospecting > Signal processing
Description: Subject matter wherein electric signals representative of the detected acoustic waves or constituents of such signals are distinguished from one another or from other kinds of signals (e.g., noise) and/or wherein the information or intelligence contained in such signals pertaining to the characteristics or location of the discontinuity is identified.

Sub-classes under this class:

Class Number Class Name Patents
367/23 Controlled source signalling 98
367/24 Reverberation removal 165
367/22 Transducer output weighting 29

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8693282 Deghosting seismic data Apr. 8, 2014
8693281 Marine seismic acquisition method and system Apr. 8, 2014
8639442 Identifying invalid seismic data Jan. 28, 2014
8625389 System and technique to suppress the acquisition of torque noise on a multi-component streamer Jan. 7, 2014
8625387 Methods of range selection for positioning marine seismic equipment Jan. 7, 2014
8620082 Sonar image texture segmentation Dec. 31, 2013
8605541 Three-dimensional deghosting Dec. 10, 2013
8582394 Method for determining positions of sensor streamers during geophysical surveying Nov. 12, 2013
8582395 Marine vibroseis motion correction Nov. 12, 2013
8559266 Seismic processing for the elimination of multiple reflections Oct. 15, 2013
8547787 System and technique to suppress the acquisition of torque noise on a multi-component streamer Oct. 1, 2013
8531913 Estimating subsurface elastic parameters Sep. 10, 2013
8522915 Method and system for selecting parameters of a seismic source array Sep. 3, 2013
8467265 Interpolation and deghosting of seismic data acquired in the presence of a rough sea Jun. 18, 2013
8456949 Method for determining signal quality in dual sensor seismic streamer signals Jun. 4, 2013
8456948 System and technique to obtain streamer depth and shape and applications thereof Jun. 4, 2013
8456950 Method for wave decomposition using multi-component motion sensors Jun. 4, 2013
8437218 Correcting geometry-related time and amplitude errors May. 7, 2013
8427901 Combined impulsive and non-impulsive seismic sources Apr. 23, 2013
8395965 Method of determining properties of the earth Mar. 12, 2013
8392108 Apparatus and method for allocating a current measurement value for a geographical position to a map object Mar. 5, 2013
8379481 3D deghosting of multicomponent or over/under streamer recordings using cross-line wavenumber spectra of hydrophone data Feb. 19, 2013
8325559 Extracting SV shear data from P-wave marine data Dec. 4, 2012
8300497 Method for reducing flow induced vibration and noise in towed arrays Oct. 30, 2012
8254206 Wide tow enabled by multicomponent marine seismic cable Aug. 28, 2012
8218393 Technique and system to increase the length of a seismic shot record Jul. 10, 2012
8203906 Seismic data acquisition and source-side derivatives generation and application Jun. 19, 2012
8174926 Method for wavefield separation for dual-sensor data using kirchhoff-type datuming and migration May. 8, 2012
8164977 Simulating up-going pressure wavefield Apr. 24, 2012
8139440 Spectral conditioning for surface seismic data Mar. 20, 2012
8095320 Method, program product, and system for suppression of residual water bottom energy in surface seismic data Jan. 10, 2012
8086426 Processing seismic data representing a physical system Dec. 27, 2011
8077543 Mitigation of noise in marine multicomponent seismic data through the relationship between wavefield components at the free surface Dec. 13, 2011
8077544 Dual-wavefield multiple attenuation Dec. 13, 2011
8072841 Adaptive wavefront reconstruction Dec. 6, 2011
8024123 Subterranean formation properties prediction Sep. 20, 2011
8010291 Processing measurement data that involves computing a derivative of the measurement data that represents a subterranean structure Aug. 30, 2011
7969818 Method for regularizing offset distribution in towed seismic streamer data Jun. 28, 2011
7961551 Determining directional propagation attributes of a seismic event Jun. 14, 2011
7957906 Method for attenuating low frequency noise in a dual-sensor seismic streamer Jun. 7, 2011
7957221 Method for optimum combination of pressure and particle motion sensors for a 3-D spread of dual-sensor marine seismic streamers Jun. 7, 2011
7953556 Geophone noise attenuation and wavefield separation using a multi-dimensional decomposition technique May. 31, 2011
7944774 Method for determining adequacy of seismic data coverage of a subsurface area being surveyed and its application to selecting sensor array geometry May. 17, 2011
7929373 Method of wavefield extrapolation for single-station, dual-sensor towed streamer signals Apr. 19, 2011
7881154 Seismic processing for the elimination of multiple reflections Feb. 1, 2011
7872942 Method for imaging a sea-surface reflector from towed dual-sensor streamer data Jan. 18, 2011
7869303 Method for noise suppression in seismic signals using spatial transforms Jan. 11, 2011
7869955 Subsurface prediction method and system Jan. 11, 2011
7835224 Reconstructing low frequency data recordings using a spread of shallow and deep streamers Nov. 16, 2010
7835223 Removing noise from seismic data obtained from towed seismic sensors Nov. 16, 2010

1 2 3 4 5

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