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Class Information
Number: 367/41
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Transmitted correlation
Description: Subject matter wherein an acoustic wave emitted by the system and reflected by a discontinuity is detected and the information or intelligence therein identified by comparing the signal representative of the detected wave with a signal representative of the emitted wave.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8675447 Device and method for de-blending simultaneous shooting data Mar. 18, 2014
8189426 Earth analysis methods, subsurface feature detection methods, earth analysis devices, and articles of manufacture May. 29, 2012
8027223 Earth analysis methods, subsurface feature detection methods, earth analysis devices, and articles of manufacture Sep. 27, 2011
7869304 Method and apparatus for pre-inversion noise attenuation of seismic data Jan. 11, 2011
7672194 Method of seismic surveying Mar. 2, 2010
7656748 Method of determining impulse responses from a medium in relation to the transmission of waves between different points Feb. 2, 2010
7627433 Phase control of seismic data Dec. 1, 2009
7602670 Method of seismic surveying Oct. 13, 2009
7519480 Driving-force output of a reciprocating actuator Apr. 14, 2009
7515505 Method for continuous sweeping and separation of multiple seismic vibrators Apr. 7, 2009
7508733 High-frequency processing of seismic vibrator data Mar. 24, 2009
7440357 Methods and systems for determining signatures for arrays of marine seismic sources for seismic analysis Oct. 21, 2008
7382684 Method for selective bandlimited data acquisition in subsurface formations Jun. 3, 2008
7376046 Method of seismic surveying May. 20, 2008
7330401 Seismic vibratory acquisition method and apparatus Feb. 12, 2008
7295490 System and method of phase encoding for high fidelity vibratory seismic data Nov. 13, 2007
7260021 Method of harmonic noise attenuation in correlated sweep data Aug. 21, 2007
7050356 Method of seismic surveying May. 23, 2006
6704245 Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences Mar. 9, 2004
6687619 Method of using cascaded sweeps for source coding and harmonic cancellation Feb. 3, 2004
6678617 Mapping subsurface open fractures using elastically nonlinear interaction of two surface-generated waves Jan. 13, 2004
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
6418079 Method of reducing harmonic interference while using overlapping source point seismic recording techniques Jul. 9, 2002
6208587 Method of detecting seismic events and for detecting and correcting geometry and statics error in seismic data Mar. 27, 2001
5991236 Method of measuring buried objects, geological formations and sediment properties Nov. 23, 1999
5986974 Method for geophysical processing and interpretation using seismic trace difference for analysis and display Nov. 16, 1999
5901112 Signal energy enhancement for seismic exploration May. 4, 1999
5901113 Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source May. 4, 1999
5822269 Method for separation of a plurality of vibratory seismic energy source signals Oct. 13, 1998
5790473 High fidelity vibratory source seismic method for use in vertical seismic profile data gathering with a plurality of vibratory seismic energy sources Aug. 4, 1998
5774418 Method for on-line acoustic logging in a borehole Jun. 30, 1998
5721710 High fidelity vibratory source seismic method with source separation Feb. 24, 1998
5719821 Method and apparatus for source separation of seismic vibratory signals Feb. 17, 1998
5511038 Process and device for detecting seismic signals in order to obtain vertical seismic profiles during bore drilling operations Apr. 23, 1996
5410517 Method for cascading sweeps for a seismic vibrator Apr. 25, 1995
5353223 Marine navigation method for geophysical exploration Oct. 4, 1994
5305285 Method and apparatus for subsoil exploration including emission of a series of seismic impulses Apr. 19, 1994
5226018 Geophysical prospecting method using pseudo-random pulse sequences Jul. 6, 1993
5191557 Signal processing to enable utilization of a rig reference sensor with a drill bit seismic source Mar. 2, 1993
5166905 Means and method for dynamically locating positions on a marine seismic streamer cable Nov. 24, 1992
5151882 Method for deconvolution of non-ideal frequency response of pipe structures to acoustic signals Sep. 29, 1992
5134590 Method and apparatus for correcting the response of seismic sensors to an emission signal that does not have the same shape as a reference signal Jul. 28, 1992
5050130 Signal processing to enable utilization of a rig reference sensor with a drill bit seismic source Sep. 17, 1991
4982374 Method of source coding and harmonic cancellation for vibrational geophysical survey sources Jan. 1, 1991
4969129 Coding seismic sources Nov. 6, 1990
4944036 Signature filter system Jul. 24, 1990
4926391 Signal processing to enable utilization of a rig reference sensor with a drill bit seismic source May. 15, 1990
4926392 Method and apparatus for obtaining seismic vibrator reflection data May. 15, 1990
4899321 Method and apparatus for determining the source signature of land vibrators Feb. 6, 1990
4864546 Vibrator seismic data correlation system Sep. 5, 1989

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