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Class Information
Number: 367/51
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Timing correction > Dynamic timing correction
Description: Subject matter wherein the amount of correction or control is variable during an interval.










Sub-classes under this class:

Class Number Class Name Patents
367/52 Normal moveout 73


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8635041 Synchronizing a seismic data acquisition network Jan. 21, 2014
8605543 Method and apparatus for correcting the timing function in a nodal seismic data acquisition unit Dec. 10, 2013
8594962 Distributing a clock in a subterranean survey data acquisition system Nov. 26, 2013
8395967 Vector migration of virtual source VSP data Mar. 12, 2013
8329284 Identification device and application thereof Dec. 11, 2012
8259531 Method for reflection time shift matching a first and a second set of seismic reflection data Sep. 4, 2012
8144543 Seismic data processing method for RMO picking Mar. 27, 2012
7894299 Converted mode seismic survey design Feb. 22, 2011
7830747 Method for multi-azimuth prestack time migration for general heterogeneous, anisotropic media Nov. 9, 2010
7804739 Seismic data processing method for RMO picking Sep. 28, 2010
7733741 Method for reducing 3-D migration operator to 2-D migration operator for inhomogeneous media Jun. 8, 2010
7701804 Method and constructing a model of a heterogeneous medium described by several parameters from data expressed in different time scales Apr. 20, 2010
7525874 Method for converting seismic data from the time domain to the depth domain Apr. 28, 2009
7460437 Seismic data processing method and system for migration of seismic signals incorporating azimuthal variations in the velocity Dec. 2, 2008
7447113 Kirchhoff prestack time migration method for PS waves Nov. 4, 2008
7388808 Method for depth migrating seismic data using pre-stack time migration, demigration, and post-stack depth migration Jun. 17, 2008
7355923 Seismic analysis using post-imaging seismic anisotropy corrections Apr. 8, 2008
7321526 Method and apparatus for water velocity decomposition Jan. 22, 2008
7167414 Amplitude preserving prestack migration method Jan. 23, 2007
7065004 Horizon-based residual depth migration velocity analysis Jun. 20, 2006
6920084 Offset transformation to zero dip that preserves angle of incidence Jul. 19, 2005
6898147 System for estimating azimuthal variations in seismic data May. 24, 2005
6898148 Multi-step receiver-motion compensation May. 24, 2005
6819628 Wave migration by a krylov space expansion of the square root exponent operator, for use in seismic imaging Nov. 16, 2004
6816435 Method for estimating the position of a drill Nov. 9, 2004
6798714 Method of performing stretch-free normal moveout (NMO) and stacking of seismic traces Sep. 28, 2004
6791900 Method of calculating a throw volume for quantitative fault analysis Sep. 14, 2004
6681184 System for estimating azimuthal variations in seismic data Jan. 20, 2004
6466873 Method of extended recursive f-k migration Oct. 15, 2002
6061301 Filtering of overburden azimuthal anisotropy effects from 3D seismic survey signals May. 9, 2000
5999488 Method and apparatus for migration by finite differences Dec. 7, 1999
5978314 Method for determining seismic velocities Nov. 2, 1999
5808964 Processing method for obtaining zero-offset seismic data by depth domain stacking Sep. 15, 1998
5724310 Traveltime generation in the presence of velocity discontinuities Mar. 3, 1998
5663928 Method for analysing and processing seismic reflection data for the determination of a high resolution spatial velocity field for hyperbolicity correction Sep. 2, 1997
5648937 Method and apparatus for correlating geological structure horizons from velocity data to well observations Jul. 15, 1997
5640368 Migration velocity analysis using limited-aperture and monte carlo migration Jun. 17, 1997
5596547 Prestack seismic migration Jan. 21, 1997
5530679 Method for migrating seismic data Jun. 25, 1996
5500832 Method of processing seismic data for migration Mar. 19, 1996
5343440 Geopressure analysis system Aug. 30, 1994
5243563 Seismic depth imaging Sep. 7, 1993
5128899 Method for sharpening prestack depth migration images by removing residual moveout from common image point gathers before stacking Jul. 7, 1992
5079703 3-dimensional migration of irregular grids of 2-dimensional seismic data Jan. 7, 1992
5060203 Method of layer stripping to predict subsurface stress regimes Oct. 22, 1991
5060204 Method of layer stripping to determine fault plane stress build-up Oct. 22, 1991
4964088 Method for tomographically laterally varying seismic data velocity estimation Oct. 16, 1990
4964089 Method for derivation of internal velocities from post-migration parts Oct. 16, 1990
4894809 Method for bin, moveout correction and stack of offset vertical seismic profile data in media with dip Jan. 16, 1990
4888742 Method of migrating seismic data Dec. 19, 1989

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