1. CPC Sections
  2. CPC Section G
  3. CPC Class G01
  4. CPC Subclass G01V
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CPC
COOPERATIVE PATENT CLASSIFICATION
​​
G01V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B 29/02) [2024-01]
NOTES

  • This subclass covers radar, sonar, lidar or analogous systems specifically designed for geophysical use. Radar, sonar, lidar or analogous systems, or details of such systems, if of a general interest, are also classified in subclass G01S.
  • In this subclass, the following term is used with the meaning indicated:
    • "tags" means arrangements cooperating with a detecting field, e.g. near field, and designed to produce a specific detectable effect; "tags" also means active markers capable of generating a detectable field.
  • In this subclass, the geophysical methods apply both to the earth and to other celestial objects, e.g. planets.
  • Attention is drawn to the Notes following the title of class G01.
WARNINGS

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    G01V3/11 covered by G01V 3/101, G01V 3/104
  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
​
G01V 1/00
Seismology; Seismic or acoustic prospecting or detecting [2016-05]
NOTE

G01V 1/001
.
{Acoustic presence detection} [2024-01]
G01V 1/003
.
{Seismic data acquisition in general, e.g. survey design (G01V 1/3808, G01V 1/42 take precedence)} [2024-01]
G01V 1/005
. .
{with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements} [2013-01]
G01V 1/006
. .
{generating single signals by using more than one generator, e.g. beam steering or focusing arrays (G01V 1/13, G01V 1/3861 take precedence)} [2024-01]
G01V 1/01
.
Measuring or predicting earthquakes [2024-01]
G01V 1/02
.
Generating seismic energy {(G01V 1/003 takes precedence)} [2021-01]
G01V 1/04
. .
Details [2013-01]
G01V 1/047
. . .
Arrangements for coupling the generator to the ground [2013-01]
G01V 1/0475
. . . .
{for controlling "Ground Force"} [2013-01]
G01V 1/053
. . . .
for generating transverse waves [2013-01]
G01V 1/06
. . .
Ignition devices (G01V 1/393 takes precedence) [2013-01]
G01V 1/08
. . . .
involving time-delay devices [2013-01]
G01V 1/09
. . .
Transporting arrangements, e.g. on vehicles (G01V 1/38 takes precedence) [2013-01]
G01V 1/104
. .
using explosive charges (G01V 1/157 takes precedence) [2013-01]
G01V 1/108
. . .
by deforming or displacing surfaces of enclosures [2013-01]
G01V 1/112
. . . .
for use on the surface of the earth [2013-01]
G01V 1/116
. . .
where pressurised combustion gases escape from the generator in a pulsating manner, e.g. for generating bursts [2013-01]
G01V 1/13
. . .
Arrangements or disposition of charges to produce a desired pattern in space or time [2013-01]
G01V 1/133
. .
using fluidic driving means, e.g. highly pressurised fluids; {using implosion}(G01V 1/104 takes precedence) [2013-01]
G01V 1/135
. . .
by deforming or displacing surfaces of enclosures {, e.g. by hydraulically driven vibroseis™} [2013-01]
G01V 1/137
. . .
which fluid escapes from the generator in a pulsating manner, e.g. for generating bursts {, airguns} [2013-01]
G01V 1/143
. .
using mechanical driving means {, e.g. motor driven shaft}(G01V 1/104, G01V 1/133 take precedence) [2016-08]
G01V 1/145
. . .
by deforming or displacing surfaces {, e.g. by mechanically driven vibroseis™} [2013-01]
G01V 1/147
. . .
using impact of dropping masses [2013-01]
G01V 1/153
. . .
using rotary unbalanced masses [2013-01]
G01V 1/155
. . .
using reciprocating masses [2013-01]
G01V 1/157
. .
using spark discharges; using exploding wires [2021-01]
G01V 1/159
. .
{using piezoelectric or magnetostrictive driving means (generating mechanical vibrations by using piezoelectric or magnetostrictive effect in general, B06B 1/06, B06B 1/08)} [2013-01]
G01V 1/16
.
Receiving elements for seismic signals; Arrangements or adaptations of receiving elements [2021-01]
G01V 1/162
. .
{Details} [2013-01]
G01V 1/164
. . .
{Circuits therefore} [2013-01]
G01V 1/166
. . .
{Arrangements for coupling receivers to the ground} [2013-01]
G01V 1/168
. .
{Deployment of receiver elements (G01V 1/3843 takes precedence)} [2013-01]
G01V 1/18
. .
Receiving elements, e.g. seismometer, geophone {or torque detectors, for localised single point measurements} [2013-01]
G01V 1/181
. . .
{Geophones} [2013-01]
G01V 1/182
. . . .
{with moving coil} [2013-01]
G01V 1/183
. . . .
{with moving magnet} [2013-01]
G01V 1/184
. . . .
{Multi-component geophones} [2013-01]
G01V 1/185
. . . .
{with adaptable orientation, e.g. gimballed} [2013-01]
G01V 1/186
. . .
{Hydrophones} [2013-01]
G01V 1/187
. . . .
{Direction-sensitive hydrophones} [2013-01]
G01V 1/188
. . . .
{with pressure compensating means} [2013-01]
G01V 1/189
. . .
{Combinations of different types of receiving elements} [2013-01]
G01V 1/20
. .
Arrangements of receiving elements, e.g. geophone pattern [2013-01]
G01V 1/201
. . .
{Constructional details of seismic cables, e.g. streamers (integrated optoseismic systems G01V 1/226; line connectors in general H01R, transducer mountings in general G10K 11/004)} [2013-01]
G01V 1/202
. . . .
{Connectors, e.g. for force, signal or power} [2013-01]
G01V 2001/204
. . . .
{Reinforcements, e.g. by tensioning cables} [2013-01]
G01V 2001/205
. . . .
{Internal damping} [2013-01]
G01V 2001/207
. . . .
{Buoyancy} [2013-01]
G01V 1/208
. . . .
{having a continuous structure (detecting traffic G08G, transducers in general G10K)} [2013-01]
G01V 1/22
.
Transmitting seismic signals to recording or processing apparatus [2021-01]
G01V 1/223
. .
{Radioseismic systems} [2013-01]
G01V 1/226
. .
{Optoseismic systems} [2013-01]
G01V 1/24
.
Recording seismic data [2021-01]
G01V 1/242
. .
{Seismographs} [2013-01]
G01V 1/245
. .
{Amplitude control for seismic recording (control of amplification in general H03G)} [2013-01]
G01V 1/247
. .
{Digital recording of seismic data, e.g. in acquisition units or nodes} [2013-01]
G01V 1/26
. .
Reference-signal-transmitting devices, e.g. indicating moment of firing of shot [2013-01]
G01V 1/28
.
Processing seismic data, e.g. for interpretation or for event detection (G01V 1/48 takes precedence) [2024-01]
G01V 1/282
. .
{Application of seismic models, synthetic seismograms} [2013-01]
G01V 1/284
. .
{Application of the shear wave component and/or several components of the seismic signal} [2013-01]
G01V 1/286
. . .
{Mode conversion} [2013-01]
G01V 1/288
. .
{Event detection in seismic signals, e.g. microseismics (G01V 1/36 takes precedence)} [2024-01]
G01V 1/30
. .
Analysis (G01V 1/50 takes precedence) [2013-01]
G01V 1/301
. . .
{for determining seismic cross-sections or geostructures} [2013-01]
G01V 1/302
. . . .
{in 3D data cubes} [2013-01]
G01V 1/303
. . .
{for determining velocity profiles or travel times} [2013-01]
G01V 1/305
. . . .
{Travel times} [2013-01]
G01V 1/306
. . .
{for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles} [2013-01]
G01V 1/307
. . .
{for determining seismic attributes, e.g. amplitude, instantaneous phase or frequency, reflection strength or polarity} [2013-01]
G01V 1/308
. . .
{Time lapse or 4D effects, e.g. production related effects to the formation (fluid flow per se E21B 47/00)} [2013-01]
G01V 1/32
. .
Transforming one recording into another {or one representation into another} [2013-01]
G01V 1/325
. . .
{Transforming one representation into another} [2013-01]
G01V 1/34
. .
Displaying seismic recordings {or visualisation of seismic data or attributes} [2013-01]
G01V 1/345
. . .
{Visualisation of seismic data or attributes, e.g. in 3D cubes} [2013-01]
G01V 1/36
. .
Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy [2013-01]
G01V 1/362
. . .
{Effecting static or dynamic corrections; Stacking} [2013-01]
G01V 1/364
. . .
{Seismic filtering (G01V 1/37 takes precedence)} [2013-01]
G01V 1/366
. . . .
{by correlation of seismic signals} [2013-01]
G01V 1/368
. . . .
{Inverse filtering} [2013-01]
G01V 1/37
. . .
specially adapted for seismic systems using continuous agitation of the ground {, e.g. using pulse compression of frequency swept signals for enhancement of received signals} [2017-08]
G01V 1/375
. . . .
{Correlating received seismic signals with the emitted source signal} [2013-01]
G01V 1/38
.
specially adapted for water-covered areas (G01V 1/28 takes precedence) [2024-01]
G01V 1/3808
. .
{Seismic data acquisition, e.g. survey design} [2024-01]
G01V 1/3817
. .
{Positioning of seismic devices} [2013-01]
G01V 1/3826
. . .
{dynamic steering, e.g. by paravanes or birds} [2013-01]
G01V 1/3835
. . .
{measuring position, e.g. by GPS or acoustically} [2013-01]
G01V 1/3843
. .
{Deployment of seismic devices, e.g. of streamers (equipment for marine deployment in general B63B)} [2013-01]
G01V 1/3852
. . .
{to the seabed} [2013-01]
G01V 1/3861
. .
{control of source arrays, e.g. for far field control} [2013-01]
G01V 1/387
. .
Reducing secondary bubble pulse, i.e. reducing the detected signals resulting from the generation and release of gas bubbles after the primary explosion [2013-01]
G01V 1/393
. .
Means for loading explosive underwater charges, e.g. combined with ignition devices [2013-01]
G01V 1/40
.
specially adapted for well-logging [2013-01]
G01V 1/42
. .
using generators in one well and receivers elsewhere or vice versa (G01V 1/52 takes precedence) [2016-08]
G01V 1/44
. .
using generators and receivers in the same well (G01V 1/52 takes precedence) [2013-01]
G01V 1/46
. . .
Data acquisition [2013-01]
G01V 1/48
. . .
Processing data [2013-01]
G01V 1/50
. . . .
Analysing data [2014-02]
G01V 1/52
. .
Structural details [2013-01]
G01V 1/523
. . .
{Damping devices} [2013-01]
G01V 2001/526
. . .
{Mounting of transducers} [2013-01]
G01V 3/00
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation [2021-01]
G01V 3/02
.
operating with propagation of electric current [2013-01]
G01V 3/04
. .
using dc [2013-01]
G01V 3/06
. .
using ac [2013-01]
G01V 3/08
.
operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices (with electromagnetic waves G01V 3/12) [2021-01]
G01V 3/081
. .
{the magnetic field is produced by the objects or geological structures (characterised by the method of magnetic field measurement G01R 33/00)} [2013-01]
G01V 3/082
. .
{operating with fields produced by spontaneous potentials, e.g. electrochemical or produced by telluric currents (G01V 3/26 takes precedence)} [2013-01]
G01V 3/083
. .
{Controlled source electromagnetic [CSEM] surveying} [2013-01]
G01V 2003/084
. . .
{Sources} [2013-01]
G01V 2003/085
. . .
{Receivers} [2013-01]
G01V 2003/086
. . .
{Processing} [2013-01]
G01V 3/087
. .
{the earth magnetic field being modified by the objects or geological structures} [2013-01]
G01V 3/088
. .
{operating with electric fields (G01V 3/082 takes precedence)} [2013-01]
G01V 3/10
. .
using induction coils [2013-01]
G01V 3/101
. . .
{by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil (measuring impedance or characteristics derived therefrom G01R 27/00, e.g. quality factor G01R 27/26)} [2013-01]
G01V 3/102
. . . .
{by measuring amplitude} [2013-01]
G01V 3/104
. . .
{using several coupled or uncoupled coils (G01V 3/101 takes precedence)} [2013-01]
G01V 3/105
. . . .
{forming directly coupled primary and secondary coils or loops} [2013-01]
G01V 3/107
. . . . .
{using compensating coil or loop arrangements} [2013-01]
G01V 3/108
. . . .
{the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other} [2013-01]
G01V 3/12
.
operating with electromagnetic waves {(operating with millimetre waves G01V 8/005)} [2013-01]
G01V 3/14
.
operating with electron or nuclear magnetic resonance [2013-01]
G01V 3/15
.
specially adapted for use during transport, e.g. by a person, vehicle or boat [2013-01]
G01V 3/16
. .
specially adapted for use from aircraft (G01V 3/165 - G01V 3/175 take precedence) [2016-05]
G01V 3/165
. .
operating with magnetic or electric fields produced or modified by the object or by the detecting device (with electromagnetic waves G01V 3/17) [2013-01]
G01V 3/17
. .
operating with electromagnetic waves {(operating with millimetre waves G01V 8/005)} [2013-01]
G01V 3/175
. .
operating with electron or nuclear magnetic resonance [2013-01]
G01V 3/18
.
specially adapted for well-logging [2013-01]
G01V 3/20
. .
operating with propagation of electric current [2013-01]
G01V 3/22
. . .
using dc [2013-01]
G01V 3/24
. . .
using ac [2013-01]
G01V 3/26
. .
operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device (with electromagnetic waves G01V 3/30) [2013-01]
G01V 3/265
. . .
{Operating with fields produced by spontaneous potentials, e.g. electrochemicals or produced by telluric currents} [2013-01]
G01V 3/28
. . .
using induction coils [2013-01]
G01V 3/30
. .
operating with electromagnetic waves [2013-01]
G01V 3/32
. .
operating with electron or nuclear magnetic resonance [2013-01]
G01V 3/34
. .
Transmitting data to recording or processing apparatus; Recording data [2013-01]
G01V 3/36
.
Recording data (G01V 3/34 takes precedence) [2013-01]
G01V 3/38
.
Processing data, e.g. for analysis, for interpretation, for correction [2021-01]
G01V 3/40
.
specially adapted for measuring magnetic field characteristics of the earth [2013-01]
G01V 5/00
Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity [2024-01]
G01V 5/02
.
specially adapted for surface logging, e.g. from aircraft [2013-01]
G01V 5/025
. .
{specially adapted for use from aircraft} [2013-01]
G01V 5/04
.
specially adapted for well-logging [2013-01]
G01V 5/045
. .
{Transmitting data to recording or processing apparatus; Recording data} [2013-01]
G01V 5/06
. .
for detecting naturally radioactive minerals [2013-01]
G01V 5/08
. .
using primary nuclear radiation sources or X-rays {(, e.g. for inducing radioactivity; investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays, neutrons G01N 23/00)} [2016-08]
G01V 5/085
. . .
{using another radioactive source} [2013-01]
G01V 5/10
. . .
using neutron sources {(neutron generating tubes H05H 5/00; neutron sources using isotopes G21G 4/00)} [2013-01]
G01V 5/101
. . . .
{and detecting the secondary Y-rays produced in the surrounding layers of the bore hole} [2013-01]
G01V 5/102
. . . . .
{the neutron source being of the pulsed type} [2013-01]
G01V 5/104
. . . .
{and detecting secondary Y-rays as well as reflected or back-scattered neutrons} [2013-01]
G01V 5/105
. . . . .
{the neutron source being of the pulsed type} [2013-01]
G01V 5/107
. . . .
{and detecting reflected or back-scattered neutrons} [2013-01]
G01V 5/108
. . . . .
{the neutron source being of the pulsed type} [2013-01]
G01V 5/12
. . .
using gamma or X-ray sources {(gamma sources using isotopes G21G 4/00; X-ray tubes H01J 35/00)} [2013-01]
G01V 5/125
. . . .
{and detecting the secondary gamma- or X-rays in different places along the bore hole} [2013-01]
G01V 5/14
. . .
using a combination of several sources, e.g. a neutron and a gamma source [2013-01]
G01V 5/145
. . . .
{using a neutron source combined with a gamma- or X-ray source} [2013-01]
G01V 5/20
.
Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects [2024-01]
G01V 5/22
. .
Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays [2024-01]
G01V 5/222
. . .
measuring scattered radiation [2024-01]
G01V 5/223
. . .
{Mixed interrogation beams, e.g. using more than one type of radiation beam} [2024-01]
G01V 5/224
. . .
{Multiple energy techniques using one type of radiation, e.g. X-rays of different energies} [2024-01]
G01V 5/226
. . .
using tomography [2024-01]
G01V 5/228
. . .
{using stereoscopic means} [2024-01]
G01V 5/232
. . .
{having relative motion between the source, detector and object other than by conveyor (G01V 5/226 takes precedence)} [2024-01]
G01V 5/234
. . .
{Measuring induced radiation, e.g. thermal neutron activation analysis} [2024-01]
G01V 5/26
. .
Passive interrogation, i.e. by measuring radiation emitted by objects or goods [2024-01]
G01V 5/271
. .
{using a network, e.g. a remote expert, accessing remote data or the like} [2024-01]
G01V 5/281
. .
{detecting special nuclear material [SNM], e.g. Uranium-235, Uranium-233 or Plutonium-239} [2024-01]
G01V 7/00
Measuring gravitational fields or waves; Gravimetric prospecting or detecting [2013-01]
G01V 7/005
.
{using a resonating body or device, e.g. string (G01V 7/08 - G01V 7/12 take precedence; measuring resonant frequency of mechanical vibrations G01H 13/00; measuring frequency per se G01R 23/00)} [2016-05]
G01V 7/02
.
Details [2013-01]
G01V 7/04
. .
Electric, photoelectric, or magnetic indicating or recording means [2013-01]
G01V 7/06
. .
Analysis or interpretation of gravimetric records [2013-01]
G01V 7/08
.
using balances [2021-01]
G01V 7/10
. .
using torsion balances, e.g. Eötvös balance [2013-01]
G01V 7/12
.
using pendulums [2013-01]
G01V 7/14
.
using free-fall time [2013-01]
G01V 7/16
.
specially adapted for use on moving platforms, e.g. ship, aircraft [2013-01]
​
G01V 8/00
Prospecting or detecting by optical means [2023-08]
NOTE

  • This group covers the use of {millimetre waves,}infrared, visible or ultraviolet light.
G01V 8/005
.
{operating with millimetre waves, e.g. measuring the black losey radiation} [2013-01]
G01V 8/02
.
Prospecting [2013-01]
G01V 8/10
.
Detecting, e.g. by using light barriers (by reflection from the object G01S 17/00) [2021-01]
G01V 8/12
. .
using one transmitter and one receiver [2013-01]
G01V 8/14
. . .
using reflectors [2013-01]
G01V 8/16
. . .
using optical fibres [2013-01]
G01V 8/18
. . .
using mechanical scanning systems [2013-01]
G01V 8/20
. .
using multiple transmitters or receivers [2013-01]
G01V 8/22
. . .
using reflectors [2013-01]
G01V 8/24
. . .
using optical fibres [2013-01]
G01V 8/26
. . .
using mechanical scanning systems [2013-01]
G01V 9/00
Prospecting or detecting by methods not provided for in groups G01V 1/00 - G01V 8/00 [2016-05]
G01V 9/002
.
{using fields or radiation detectable only by persons susceptible therefor, e.g. radio-esthesis, dowsing} [2013-01]
G01V 9/005
.
{by thermal methods, e.g. after generation of heat by chemical reactions} [2013-01]
G01V 9/007
.
{by detecting gases or particles representative of underground layers at or near the surface (analysing earth materials G01N 33/24; analysing gases per se G01N)} [2013-01]
G01V 9/02
.
Determining existence or flow of underground water [2013-01]
G01V 11/00
Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V 1/00 - G01V 9/00 [2017-08]
G01V 11/002
.
{Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant (means for transmitting well survey signals E21B 47/12; signal transmission systems in general G08C; transmission in general H04B)} [2013-01]
G01V 11/005
. .
{Devices for positioning logging sondes with respect to the borehole wall (centralising devices for drilling rods or pipes E21B 17/10; setting or locking tools in boreholes E21B 23/00; locating objects in boreholes E21B 47/09)} [2017-08]
G01V 11/007
.
{using the seismo-electric effect} [2013-01]
G01V 13/00
Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V 1/00 – G01V 11/00 [2021-01]
G01V 15/00
Tags attached to, or associated with, an object, in order to enable detection of the object (record carriers for use with machines having a detectable tag or marker G06K 19/00) [2021-01]
​
G01V 20/00
Geomodelling in general [2024-01]
NOTE

  • This group covers geomodelling or geomodels wherein no prospecting, detecting or measuring technique is specified or relevant.
G01V 99/00
Subject matter not provided for in other groups of this subclass [2013-01]
G01V 2200/00
Details of seismic or acoustic prospecting or detecting in general [2013-01]
G01V 2200/10
.
Miscellaneous details [2013-01]
G01V 2200/12
. .
Clock synchronization-related issues [2013-01]
G01V 2200/14
. .
Quality control [2013-01]
G01V 2200/16
. .
Measure-while-drilling or logging-while-drilling [2013-01]
G01V 2210/00
Details of seismic processing or analysis [2013-01]
G01V 2210/10
.
Aspects of acoustic signal generation or detection [2013-01]
G01V 2210/12
. .
Signal generation [2013-01]
G01V 2210/121
. . .
Active source [2013-01]
G01V 2210/1212
. . . .
Shot [2013-01]
G01V 2210/1214
. . . .
Continuous [2013-01]
G01V 2210/1216
. . . .
Drilling-related [2013-01]
G01V 2210/123
. . .
Passive source, e.g. microseismics [2017-08]
G01V 2210/1232
. . . .
Earthquakes [2013-01]
G01V 2210/1234
. . . .
Hydrocarbon reservoir, e.g. spontaneous or induced fracturing [2013-01]
G01V 2210/1236
. . . .
Acoustic daylight, e.g. cultural noise [2013-01]
G01V 2210/125
. . .
Virtual source [2013-01]
G01V 2210/127
. . .
Cooperating multiple sources [2013-01]
G01V 2210/129
. . .
Source location [2013-01]
G01V 2210/1291
. . . .
Air [2013-01]
G01V 2210/1293
. . . .
Sea [2013-01]
G01V 2210/1295
. . . .
Land surface [2013-01]
G01V 2210/1297
. . . .
Sea bed [2013-01]
G01V 2210/1299
. . . .
Subsurface, e.g. in borehole or below weathering layer or mud line [2013-01]
G01V 2210/14
. .
Signal detection [2013-01]
G01V 2210/142
. . .
Receiver location [2013-01]
G01V 2210/1421
. . . .
Air [2013-01]
G01V 2210/1423
. . . .
Sea [2013-01]
G01V 2210/1425
. . . .
Land surface [2013-01]
G01V 2210/1427
. . . .
Sea bed [2013-01]
G01V 2210/1429
. . . .
Subsurface, e.g. in borehole or below weathering layer or mud line [2013-01]
G01V 2210/144
. . .
with functionally associated receivers, e.g. hydrophone and geophone pairs [2013-01]
G01V 2210/16
. .
Survey configurations [2013-01]
G01V 2210/161
. . .
Vertical seismic profiling [VSP] [2013-01]
G01V 2210/163
. . .
Cross-well [2013-01]
G01V 2210/165
. . .
Wide azimuth [2013-01]
G01V 2210/167
. . .
Very long offset [2013-01]
G01V 2210/169
. . .
Sparse arrays [2013-01]
G01V 2210/20
.
Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out [2024-08]
G01V 2210/21
. .
Frequency-domain filtering, e.g. band pass [2013-01]
G01V 2210/22
. .
Time-domain filtering [2013-01]
G01V 2210/23
. .
Wavelet filtering [2013-01]
G01V 2210/24
. .
Multi-trace filtering [2013-01]
G01V 2210/242
. . .
F-k filtering, e.g. ground roll [2013-01]
G01V 2210/244
. . .
Radon transform [2013-01]
G01V 2210/25
. .
Transform filter for merging or comparing traces from different surveys [2013-01]
G01V 2210/26
. .
Modulation or demodulation, e.g. for continuous sources [2013-01]
G01V 2210/27
. .
Other pre-filtering [2013-01]
G01V 2210/30
.
Noise handling [2024-08]
G01V 2210/32
. .
Noise reduction [2013-01]
G01V 2210/322
. . .
Trace stacking [2013-01]
G01V 2210/324
. . .
Filtering [2013-01]
G01V 2210/3242
. . . .
Flow noise [2013-01]
G01V 2210/3244
. . . .
Cultural noise [2013-01]
G01V 2210/3246
. . . .
Coherent noise, e.g. spatially coherent or predictable [2013-01]
G01V 2210/3248
. . . .
Incoherent noise, e.g. white noise [2013-01]
G01V 2210/34
. .
Noise estimation [2024-08]
G01V 2210/36
. .
Noise recycling, i.e. retrieving non-seismic information from noise [2013-01]
G01V 2210/38
. .
Noise characterisation or classification [2013-01]
G01V 2210/40
.
Transforming data representation [2024-08]
G01V 2210/41
. .
Arrival times, e.g. of P or S wave or first break [2013-01]
G01V 2210/42
. .
Waveform, i.e. using raw or pre-filtered trace data [2013-01]
G01V 2210/43
. .
Spectral [2013-01]
G01V 2210/44
. .
F-k domain [2013-01]
G01V 2210/45
. .
F-x or F-xy domain [2013-01]
G01V 2210/46
. .
Radon transform [2013-01]
G01V 2210/47
. .
Slowness, e.g. tau-pi [2013-01]
G01V 2210/48
. .
Other transforms [2013-01]
G01V 2210/50
.
Corrections or adjustments related to wave propagation [2024-08]
G01V 2210/51
. .
Migration [2013-01]
G01V 2210/512
. . .
Pre-stack [2013-01]
G01V 2210/514
. . .
Post-stack [2013-01]
G01V 2210/52
. .
Move-out correction [2013-01]
G01V 2210/522
. . .
Dip move-out [DMO] [2013-01]
G01V 2210/53
. .
Statics correction, e.g. weathering layer or transformation to a datum [2013-01]
G01V 2210/532
. . .
Dynamic changes in statics, e.g. sea waves or tidal influences [2013-01]
G01V 2210/54
. .
Borehole-related corrections [2013-01]
G01V 2210/542
. . .
Casing [2013-01]
G01V 2210/544
. . .
Invasion zone [2013-01]
G01V 2210/55
. .
Array focusing; Phased arrays [2013-01]
G01V 2210/56
. .
De-ghosting; Reverberation compensation [2013-01]
G01V 2210/57
. .
Trace interpolation or extrapolation, e.g. for virtual receiver; Anti-aliasing for missing receivers [2013-01]
G01V 2210/58
. .
Media-related [2013-01]
G01V 2210/582
. . .
Dispersion [2013-01]
G01V 2210/584
. . .
Attenuation [2013-01]
G01V 2210/586
. . .
Anisotropic media [2013-01]
G01V 2210/588
. . .
Non-linear media [2013-01]
G01V 2210/59
. .
Other corrections [2013-01]
G01V 2210/60
.
Analysis [2013-01]
G01V 2210/61
. .
Analysis by combining or comparing a seismic data set with other data [2013-01]
G01V 2210/612
. . .
Previously recorded data, e.g. time-lapse or 4D [2013-01]
G01V 2210/6122
. . . .
Tracking reservoir changes over time, e.g. due to production [2013-01]
G01V 2210/6124
. . . . .
Subsidence, i.e. upwards or downwards [2013-01]
G01V 2210/614
. . .
Synthetically generated data [2013-01]
G01V 2210/616
. . .
Data from specific type of measurement [2013-01]
G01V 2210/6161
. . . .
Seismic or acoustic, e.g. land or sea measurements [2013-01]
G01V 2210/6163
. . . .
Electromagnetic [2013-01]
G01V 2210/6165
. . . .
Gravitational [2013-01]
G01V 2210/6167
. . . .
Nuclear [2013-01]
G01V 2210/6169
. . . .
using well-logging [2013-01]
G01V 2210/62
. .
Physical property of subsurface [2013-01]
G01V 2210/622
. . .
Velocity, density or impedance [2013-01]
G01V 2210/6222
. . . .
Velocity; travel time [2013-01]
G01V 2210/6224
. . . .
Density [2013-01]
G01V 2210/6226
. . . .
Impedance [2013-01]
G01V 2210/624
. . .
Reservoir parameters [2013-01]
G01V 2210/6242
. . . .
Elastic parameters, e.g. Young, Lamé or Poisson [2017-08]
G01V 2210/6244
. . . .
Porosity [2013-01]
G01V 2210/6246
. . . .
Permeability [2013-01]
G01V 2210/6248
. . . .
Pore pressure [2013-01]
G01V 2210/626
. . .
with anisotropy [2013-01]
G01V 2210/63
. .
Seismic attributes, e.g. amplitude, polarity, instant phase [2013-01]
G01V 2210/632
. . .
Amplitude variation versus offset or angle of incidence [AVA, AVO, AVI] [2013-01]
G01V 2210/64
. .
Geostructures, e.g. in 3D data cubes [2013-01]
G01V 2210/641
. . .
Continuity of geobodies [2013-01]
G01V 2210/642
. . .
Faults [2013-01]
G01V 2210/643
. . .
Horizon tracking [2013-01]
G01V 2210/644
. . .
Connectivity, e.g. for fluid movement [2013-01]
G01V 2210/645
. . .
Fluid contacts [2013-01]
G01V 2210/646
. . .
Fractures [2013-01]
G01V 2210/647
. . .
Gas hydrates [2013-01]
G01V 2210/65
. .
Source localisation, e.g. faults, hypocenters or reservoirs [2013-01]
G01V 2210/66
. .
Subsurface modeling [2013-01]
G01V 2210/661
. . .
Model from sedimentation process modeling, e.g. from first principles [2013-01]
G01V 2210/663
. . .
Modeling production-induced effects [2013-01]
G01V 2210/665
. . .
using geostatistical modeling [2013-01]
G01V 2210/6652
. . . .
Kriging [2013-01]
G01V 2210/667
. . .
Determining confidence or uncertainty in parameters [2013-01]
G01V 2210/67
. .
Wave propagation modeling [2013-01]
G01V 2210/671
. . .
Raytracing [2013-01]
G01V 2210/673
. . .
Finite-element; Finite-difference [2013-01]
G01V 2210/675
. . .
Wave equation; Green's functions [2013-01]
G01V 2210/677
. . .
Spectral; Pseudo-spectral [2013-01]
G01V 2210/679
. . .
Reverse-time modeling or coalescence modelling, i.e. starting from receivers [2013-01]
G01V 2210/70
.
Other details related to processing [2013-01]
G01V 2210/72
. .
Real-time processing [2013-01]
G01V 2210/74
. .
Visualisation of seismic data [2013-01]