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Class Information
Number: 367/63
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Compositing system > With preliminary signal processing
Description: Subject matter wherein the signals are modified before being combined.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8559271 Systems and methods for seismic data acquisition employing asynchronous, decoupled data sampling and transmission Oct. 15, 2013
8339899 Seismic data acquisition system comprising modules associated with units connected to sensors, the modules being autonomous with respect to power supply, synchronisation and storage Dec. 25, 2012
8284630 Annular-sum transform of irregularly sampled seismic data Oct. 9, 2012
7751277 Method for interpolating seismic data by anti-alias, anti-leakage Fourier transform Jul. 6, 2010
7672195 Diagonal gather trace interpolation Mar. 2, 2010
7660203 Systems and methods for seismic data acquisition employing asynchronous, decoupled data sampling and transmission Feb. 9, 2010
7548487 Diagonal gather trace interpolation Jun. 16, 2009
7379386 Workflow for processing streamer seismic data May. 27, 2008
7177232 Wireless radio frequency hydrophone system Feb. 13, 2007
7012853 Seismic data acquisition apparatus and method Mar. 14, 2006
6999377 Acquiring seismic data Feb. 14, 2006
6891733 Seismic data acquisition module May. 10, 2005
6819628 Wave migration by a krylov space expansion of the square root exponent operator, for use in seismic imaging Nov. 16, 2004
6681199 Peak time detecting apparatus and method Jan. 20, 2004
6674689 Method for morphologic analysis of seismic objects Jan. 6, 2004
6032104 Method of processing seismic signals so as to reduce the effects of dip in the analysis of moveouts Feb. 29, 2000
6028821 Process for separating waves in borehole seismics for walkway-type acquisitions Feb. 22, 2000
6028823 Geodetic position estimation for underwater acoustic sensors Feb. 22, 2000
6021094 Method of migrating seismic records Feb. 1, 2000
5970023 Reducing aliasing artifacts in seismic data processing using sharpened (TAU-P-Q) transforms Oct. 19, 1999
5903515 Spatial de-aliasing of the 3-D Kirchhoff DMO operator May. 11, 1999
5587967 Method for improvement of seismic sections Dec. 24, 1996
5544126 System and method of seismic shot-record migration Aug. 6, 1996
5450371 Statistical analysis of regional velocities Sep. 12, 1995
5235556 Interpolation of aliased seismic traces Aug. 10, 1993
5084844 Efficient method for storing seismic traces on disk Jan. 28, 1992
5050129 Marine seismic data conditioning Sep. 17, 1991
5014249 Method in a real time control system for seismic interference May. 7, 1991
4964098 Method for seismic trace interpolation Oct. 16, 1990
4930076 Systolic radon transform processor May. 29, 1990
4907205 Method for attenuating multiple reflection events in seismic data Mar. 6, 1990
4885711 Data processing Dec. 5, 1989
4837752 Method for establishing a common bandwidth for processing seismic data obtained from different sources, recording equipment and surveys Jun. 6, 1989
4779237 Method of geophysical exploration including processing and displaying seismic data to obtain a measure of subterranean formation rock properties Oct. 18, 1988
4779238 Method for fast slant stack of seismic data Oct. 18, 1988
4758998 Methods for attenuation of horizontally traveling seismic waves Jul. 19, 1988
4757480 Method and apparatus for filtering seismic data Jul. 12, 1988
4745585 Method of migrating seismic data May. 17, 1988
4740929 Method for suppressing noise in seismic data Apr. 26, 1988
4725992 Adaptive seismometer group recorder having enhanced operating capabilities Feb. 16, 1988
4628492 Method of avoiding aliasing in slant stacking of seismic data Dec. 9, 1986
4604734 Seismic exploration in areas where p waves are converted to s waves Aug. 5, 1986
4567582 Direct determination of stacking velocities in three dimensional seismic prospecting Jan. 28, 1986
4561074 Computationally efficient weighting and vertical stacking methods and apparatus for improving signal-to-noise ratio of seismic data Dec. 24, 1985
4561075 Method and apparatus for selecting inverse power weighting prior to vertically stacking acquired seismic data for suppressing noise Dec. 24, 1985
4503527 Method for enhancement of the signal-to-noise ratio in seismic reflection signals Mar. 5, 1985
4479205 Method of migrating seismic data without dependency on velocity Oct. 23, 1984
4464737 Method for migration of seismic reflection waves Aug. 7, 1984
4369507 Conditional updating method and apparatus associated with a microcomputer system for automatically indicating and recording parameters that spatially define locations of seismic exploration Jan. 18, 1983
4363113 Seismic exploration with simulated plane waves Dec. 7, 1982

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