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Class Information
Number: 367/38
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction
Description: Subject matter wherein various electrical 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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616524 |
Wavelet based intercept attribute for seismic exploration |
Nov. 10, 2009 |
| 7586811 |
Subsalt velocity model building |
Sep. 8, 2009 |
| 7584056 |
Multiple suppression in angle domain time and depth migration |
Sep. 1, 2009 |
| 7577061 |
Process and program for characterising evolution of an oil reservoir over time |
Aug. 18, 2009 |
| 7554883 |
Fault filter for seismic discontinuity data |
Jun. 30, 2009 |
| 7548487 |
Diagonal gather trace interpolation |
Jun. 16, 2009 |
| 7523003 |
Time lapse marine seismic surveying |
Apr. 21, 2009 |
| 7508735 |
Method of analyzing vertical seismic profile data, method of producing a hydrocarbon fluid, and a computer readable medium |
Mar. 24, 2009 |
| 7502690 |
System and method for using time-distance characteristics in acquisition, processing, and imaging of t-CSEM data |
Mar. 10, 2009 |
| 7480206 |
Methods for earth modeling and seismic imaging using interactive and selective updating |
Jan. 20, 2009 |
| 7463552 |
Method for deriving 3D output volumes using filters derived from flat spot direction vectors |
Dec. 9, 2008 |
| 7460437 |
Seismic data processing method and system for migration of seismic signals incorporating azimuthal variations in the velocity |
Dec. 2, 2008 |
| 7457195 |
Estimating the time of arrival of a seismic wave |
Nov. 25, 2008 |
| 7453767 |
Method for deriving a 3D GRAZ seismic attribute file |
Nov. 18, 2008 |
| 7453766 |
Method for deriving 3D output volumes using summation along flat spot dip vectors |
Nov. 18, 2008 |
| 7453765 |
Scattering diagrams in seismic imaging |
Nov. 18, 2008 |
| 7453764 |
Method of imaging in an underground formations steep-sloping geologic interfaces, giving rise to prismatic reflections |
Nov. 18, 2008 |
| 7447113 |
Kirchhoff prestack time migration method for PS waves |
Nov. 4, 2008 |
| 7436735 |
Method for seismic processing, in particular for compensating birefringence on seismic traces |
Oct. 14, 2008 |
| 7433265 |
Converted wave energy removal from seismic data |
Oct. 7, 2008 |
| RE40475 |
Source waveforms for electroseismic exploration |
Sep. 2, 2008 |
| 7415401 |
Method for constructing 3-D geologic models by combining multiple frequency passbands |
Aug. 19, 2008 |
| 7414919 |
Method for improving the seismic resolution |
Aug. 19, 2008 |
| 7408836 |
Method of and apparatus for processing seismic data in the presence of anisotropy |
Aug. 5, 2008 |
| 7397728 |
Method for processing a record of seismic traces |
Jul. 8, 2008 |
| 7382685 |
Method and apparatus for filtering irregularly sampled data |
Jun. 3, 2008 |
| 7355923 |
Seismic analysis using post-imaging seismic anisotropy corrections |
Apr. 8, 2008 |
| 7353435 |
Storage device system and signal transmission method for storage device system |
Apr. 1, 2008 |
| 7333393 |
Amplitude correction for seismic recordings |
Feb. 19, 2008 |
| 7319637 |
System and methods for enhancing an image of post-stack seismic data with pre-stack seismic data features |
Jan. 15, 2008 |
| 7315783 |
Traveltime calculation in three dimensional transversely isotropic (3D TI) media by the fast marching method |
Jan. 1, 2008 |
| 7283422 |
Systems for low frequency seismic and infrasound detection of geo-pressure transition zones |
Oct. 16, 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 |
| 7252174 |
Downhole seismic-sonic receiver |
Aug. 7, 2007 |
| 7248539 |
Extrema classification |
Jul. 24, 2007 |
| 7248995 |
Spatial position detection method, information input method, spatial position detection apparatus, and information input apparatus |
Jul. 24, 2007 |
| 7242637 |
Time-lapse seismic survey of a reservoir region |
Jul. 10, 2007 |
| 7206255 |
Signal processing apparatus and signal processing method |
Apr. 17, 2007 |
| 7184367 |
Method to convert seismic traces into petrophysical property logs |
Feb. 27, 2007 |
| 7164619 |
Method of processing marine seismic data and a method of seismic surveying |
Jan. 16, 2007 |
| 7154812 |
Method for retrieving local near-surface material information |
Dec. 26, 2006 |
| 7116182 |
Method and system for downhole clock having compensation |
Oct. 3, 2006 |
| 7110323 |
Method, system and apparatus for interpreting seismic data using duplex waves |
Sep. 19, 2006 |
| 7099810 |
Acoustic logging tool having quadrupole source |
Aug. 29, 2006 |
| 7095678 |
Method for seismic imaging in geologically complex formations |
Aug. 22, 2006 |
| 7095677 |
Crossplot analysis of A.V.O. anomolies in seismic surveying |
Aug. 22, 2006 |
| 7088639 |
Method for determining formation quality factor from well log data and its application to seismic reservoir characterization |
Aug. 8, 2006 |
| 7085195 |
Method for detecting earth formation fractures by seismic imaging of diffractors |
Aug. 1, 2006 |
| 7079449 |
Methods and systems for low frequency seismic and infrasound detection of geo-pressure transition zones |
Jul. 18, 2006 |
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