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Class Information
Number: 367/47
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Amplitude
Description: Subject matter wherein the distinction is made among the amplitudes of the various signals or constituents thereof.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8639443 Microseismic event monitoring technical field Jan. 28, 2014
8611184 Method for estimating absorption parameter Q(T) Dec. 17, 2013
8553498 Q tomography method Oct. 8, 2013
8233350 Frequency shift reservoir localization Jul. 31, 2012
8164979 System and method for acquisition and processing of elastic wavefield seismic data Apr. 24, 2012
8139440 Spectral conditioning for surface seismic data Mar. 20, 2012
8040754 System and method for acquisition and processing of elastic wavefield seismic data Oct. 18, 2011
8041510 Continuous reservoir monitoring for fluid pathways using microseismic data Oct. 18, 2011
7974785 Method for quantitative evaluation of fluid pressures and detection of overpressures in an underground medium Jul. 5, 2011
7948826 Limited radon transformations for removal of noise from seismic data May. 24, 2011
7821869 Methods of enhancing separation of primary reflection signals and noise in seismic data using radon transformations Oct. 26, 2010
7725265 VH signal integration measure for seismic data May. 25, 2010
7679993 Method of characterizing a fractured reservoir using seismic reflection amplitudes Mar. 16, 2010
7664602 Method and apparatus for quantitative determination of sediment physical properties of seabed and layered subbottom using single-channel seismic-reflection profiling data Feb. 16, 2010
7663971 Resonance scattering seismic method Feb. 16, 2010
7663970 Method for passive seismic emission tomography Feb. 16, 2010
7657375 Method and apparatus for correcting underestimation of formation anisotropy ratio Feb. 2, 2010
7555389 Creating an Absorption Parameter Model Jun. 30, 2009
7539578 VH signal integration measure for seismic data May. 26, 2009
7525873 Seismic inversion of conditioned amplitude spectra Apr. 28, 2009
7453764 Method of imaging in an underground formations steep-sloping geologic interfaces, giving rise to prismatic reflections Nov. 18, 2008
7366054 Tau-P filters for removal of noise from seismic data Apr. 29, 2008
7343245 Method of processing seismic data to extract and portray AVO information Mar. 11, 2008
7333393 Amplitude correction for seismic recordings Feb. 19, 2008
7283422 Systems for low frequency seismic and infrasound detection of geo-pressure transition zones Oct. 16, 2007
7239578 Removal of noise from seismic data using radon transformations Jul. 3, 2007
7230879 Method and apparatus for true relative amplitude correction of seismic data for normal moveout stretch effects Jun. 12, 2007
7167414 Amplitude preserving prestack migration method Jan. 23, 2007
7110323 Method, system and apparatus for interpreting seismic data using duplex waves Sep. 19, 2006
7095677 Crossplot analysis of A.V.O. anomolies in seismic surveying Aug. 22, 2006
7079449 Methods and systems for low frequency seismic and infrasound detection of geo-pressure transition zones Jul. 18, 2006
6987706 Removal of noise from seismic data using high resolution radon transformations Jan. 17, 2006
6985404 Method and apparatus of performing amplitude variation with offset analysis Jan. 10, 2006
6950371 Method for signal-to-noise ratio enhancement of seismic data using frequency dependent true relative amplitude noise attenuation Sep. 27, 2005
6801473 Method for estimating and removing artifact noise from seismic data Oct. 5, 2004
6757216 Method for post processing compensation of amplitude for misaligned and misstacked offset seismic data Jun. 29, 2004
6343256 Illumination corrections to reduce geometrical artifacts in seismic data Jan. 29, 2002
6317384 Method for geophysical processing and interpretation using seismic trace difference for analysis and display Nov. 13, 2001
6278950 Turning-wave amplitude inversion Aug. 21, 2001
6058074 Method and system for detecting hydrocarbon reservoirs using amplitude-versus-offset analysis with improved measurement of background statistics May. 2, 2000
6041017 Method for producing images of reservoir boundaries Mar. 21, 2000
6028820 Method for determining the presence of fluids in a subterranean formation Feb. 22, 2000
6026057 Method and system for correcting for offset-dependent directivity effects in seismic survey signals Feb. 15, 2000
6014342 Method of evaluating a subsurface region using gather sensitive data discrimination Jan. 11, 2000
5986974 Method for geophysical processing and interpretation using seismic trace difference for analysis and display Nov. 16, 1999
5978314 Method for determining seismic velocities Nov. 2, 1999
5946271 Calibration system for use in time lapse tomography Aug. 31, 1999
5862100 Method and system for detecting hydrocarbon reservoirs using statistical normalization of amplitude-versus-offset indicators based upon seismic signals Jan. 19, 1999
5831935 Method for geophysical processing and interpretation using seismic trace difference for analysis and display Nov. 3, 1998
5825716 Method of reverberation removal from seismic data and removal of dual sensor coupling errors Oct. 20, 1998

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