G01V1/00	7	Seismology; Seismic or acoustic prospecting or detecting<br><br><u>NOTE</u><br><br> Groups G01V1/44&#160;-&#160;G01V1/52 take precedence over groups G01V1/001&#160;-&#160;G01V1/393G01V1/42	G01V1/00	G01V1/00		1143
G01V1/001	8	{Acoustic presence detection}	G01V1/00	G01V1/00		904
G01V1/003	8	{Seismic data acquisition in general, e.g. survey design (G01V1/3808, G01V1/42 take precedence)}	G01V1/00	G01V1/00		916
G01V1/005	9	{with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements}	G01V1/00	G01V1/00		411
G01V1/006	9	{generating single signals by using more than one generator, e.g. beam steering or focusing arrays (G01V1/13, G01V1/3861 take precedence)}	G01V1/00	G01V1/00		244
G01V1/01	8	Measuring or predicting earthquakes	G01V1/01	G01V1/01		1692
G01V1/02	8	Generating seismic energy {(G01V1/003 takes precedence)}	G01V1/02	G01V1/02		375
G01V1/04	9	Details	G01V1/04	G01V1/04		542
G01V1/047	10	Arrangements for coupling the generator to the ground	G01V1/047	G01V1/047		204
G01V1/0475	11	{for controlling "Ground Force"}	G01V1/047	G01V1/047		16
G01V1/053	11	for generating transverse waves	G01V1/053	G01V1/053		156
G01V1/06	10	Ignition devices (G01V1/393 takes precedence)	G01V1/06	G01V1/06		77
G01V1/08	11	involving time-delay devices	G01V1/08	G01V1/08		44
G01V1/09	10	Transporting arrangements, e.g. on vehicles (G01V1/38 takes precedence)	G01V1/09	G01V1/09		188
G01V1/104	9	using explosive charges (G01V1/157 takes precedence)	G01V1/104	G01V1/104		309
G01V1/108	10	by deforming or displacing surfaces of enclosures	G01V1/108	G01V1/108		59
G01V1/112	11	for use on the surface of the earth	G01V1/112	G01V1/112		61
G01V1/116	10	where pressurised combustion gases escape from the generator in a pulsating manner, e.g. for generating bursts	G01V1/116	G01V1/116		59
G01V1/13	10	Arrangements or disposition of charges to produce a desired pattern in space or time	G01V1/13	G01V1/13		191
G01V1/133	9	using fluidic driving means, e.g. highly pressurised fluids; {using implosion}(G01V1/104 takes precedence)	G01V1/133	G01V1/133		317
G01V1/135	10	by deforming or displacing surfaces of enclosures {, e.g. by hydraulically driven vibroseis&#8482;}	G01V1/135	G01V1/135		162
G01V1/137	10	which fluid escapes from the generator in a pulsating manner, e.g. for generating bursts {, airguns}	G01V1/137	G01V1/137		340
G01V1/143	9	using mechanical driving means {, e.g. motor driven shaft}(G01V1/104, G01V1/133 take precedence)	G01V1/143	G01V1/143		181
G01V1/145	10	by deforming or displacing surfaces {, e.g. by mechanically driven vibroseis&#8482;}	G01V1/145	G01V1/145		208
G01V1/147	10	using impact of dropping masses	G01V1/147	G01V1/147		318
G01V1/153	10	using rotary unbalanced masses	G01V1/153	G01V1/153		69
G01V1/155	10	using reciprocating masses	G01V1/155	G01V1/155		216
G01V1/157	9	using spark discharges; using exploding wires	G01V1/157	G01V1/157		162
G01V1/159	9	{using piezoelectric or magnetostrictive driving means (generating mechanical vibrations by using piezoelectric or magnetostrictive effect in general, B06B1/06, B06B1/08)}	G01V1/02	G01V1/159		118
G01V1/16	8	Receiving elements for seismic signals; Arrangements or adaptations of receiving elements	G01V1/16	G01V1/16		674
G01V1/162	9	{Details}	G01V1/16	G01V1/16		213
G01V1/164	10	{Circuits therefore}	G01V1/16	G01V1/16		102
G01V1/166	10	{Arrangements for coupling receivers to the ground}	G01V1/16	G01V1/16		129
G01V1/168	9	{Deployment of receiver elements (G01V1/3843 takes precedence)}	G01V1/16	G01V1/16		237
G01V1/18	9	Receiving elements, e.g. seismometer, geophone {or torque detectors, for localised single point measurements}	G01V1/18	G01V1/18		801
G01V1/181	10	{Geophones}	G01V1/18	G01V1/18		1285
G01V1/182	11	{with moving coil}	G01V1/18	G01V1/18		76
G01V1/183	11	{with moving magnet}	G01V1/18	G01V1/18		31
G01V1/184	11	{Multi-component geophones}	G01V1/18	G01V1/18		228
G01V1/185	11	{with adaptable orientation, e.g. gimballed}	G01V1/18	G01V1/18		33
G01V1/186	10	{Hydrophones}	G01V1/18	G01V1/18		433
G01V1/187	11	{Direction-sensitive hydrophones}	G01V1/18	G01V1/18		28
G01V1/188	11	{with pressure compensating means}	G01V1/18	G01V1/18		22
G01V1/189	10	{Combinations of different types of receiving elements}	G01V1/18	G01V1/18		119
G01V1/20	9	Arrangements of receiving elements, e.g. geophone pattern	G01V1/20	G01V1/20		1293
G01V1/201	10	{Constructional details of seismic cables, e.g. streamers (integrated optoseismic systems G01V1/226; line connectors in general H01R, transducer mountings in general G10K11/004)}	G01V1/20	G01V1/20		920
G01V1/202	11	{Connectors, e.g. for force, signal or power}	G01V1/20	G01V1/20		82
G01V2001/204	11	{Reinforcements, e.g. by tensioning cables}	G01V1/20	G01V1/20		37
G01V2001/205	11	{Internal damping}	G01V1/20	G01V1/20		17
G01V2001/207	11	{Buoyancy}	G01V1/20	G01V1/20		60
G01V1/208	11	{having a continuous structure (detecting traffic G08G, transducers in general G10K)}	G01V1/20	G01V1/20		135
G01V1/22	8	Transmitting seismic signals to recording or processing apparatus	G01V1/22	G01V1/22		744
G01V1/223	9	{Radioseismic systems}	G01V1/22	G01V1/22		391
G01V1/226	9	{Optoseismic systems}	G01V1/22	G01V1/22		478
G01V1/24	8	Recording seismic data	G01V1/24	G01V1/24		586
G01V1/242	9	{Seismographs}	G01V1/24	G01V1/24		128
G01V1/245	9	{Amplitude control for seismic recording (control of amplification in general H03G)}	G01V1/24	G01V1/24		285
G01V1/247	9	{Digital recording of seismic data, e.g. in acquisition units or nodes}	G01V1/24	G01V1/24		273
G01V1/26	9	Reference-signal-transmitting devices, e.g. indicating moment of firing of shot	G01V1/26	G01V1/26		196
G01V1/28	8	Processing seismic data, e.g. for interpretation or for event detection (G01V1/48 takes precedence)	G01V1/28	G01V1/28		3892
G01V1/282	9	{Application of seismic models, synthetic seismograms}	G01V1/28	G01V1/28		4653
G01V1/284	9	{Application of the shear wave component and/or several components of the seismic signal}	G01V1/28	G01V1/28		337
G01V1/286	10	{Mode conversion}	G01V1/28	G01V1/28		72
G01V1/288	9	{Event detection in seismic signals, e.g. microseismics (G01V1/36 takes precedence)}	G01V1/28	G01V1/28		1756
G01V1/30	9	Analysis (G01V1/50 takes precedence)	G01V1/30	G01V1/30		3300
G01V1/301	10	{for determining seismic cross-sections or geostructures}	G01V1/30	G01V1/30		1824
G01V1/302	11	{in 3D data cubes}	G01V1/30	G01V1/30		575
G01V1/303	10	{for determining velocity profiles or travel times}	G01V1/30	G01V1/30		1926
G01V1/305	11	{Travel times}	G01V1/30	G01V1/30		296
G01V1/306	10	{for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles}	G01V1/30	G01V1/30		4552
G01V1/307	10	{for determining seismic attributes, e.g. amplitude, instantaneous phase or frequency, reflection strength or polarity}	G01V1/30	G01V1/30		2087
G01V1/308	10	{Time lapse or 4D effects, e.g. production related effects to the formation (fluid flow per seE21B47/00)}	G01V1/30	G01V1/30		239
G01V1/32	9	Transforming one recording into another {or one representation into another}	G01V1/32	G01V1/32		530
G01V1/325	10	{Transforming one representation into another}	G01V1/32	G01V1/32		321
G01V1/34	9	Displaying seismic recordings {or visualisation of seismic data or attributes}	G01V1/34	G01V1/34		493
G01V1/345	10	{Visualisation of seismic data or attributes, e.g. in 3D cubes}	G01V1/34	G01V1/34		972
G01V1/36	9	Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy	G01V1/36	G01V1/36		2359
G01V1/362	10	{Effecting static or dynamic corrections; Stacking}	G01V1/36	G01V1/36		1739
G01V1/364	10	{Seismic filtering (G01V1/37 takes precedence)}	G01V1/36	G01V1/36		1601
G01V1/366	11	{by correlation of seismic signals}	G01V1/36	G01V1/36		294
G01V1/368	11	{Inverse filtering}	G01V1/36	G01V1/36		155
G01V1/37	10	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}	G01V1/37	G01V1/37		53
G01V1/375	11	{Correlating received seismic signals with the emitted source signal}	G01V1/37	G01V1/37		133
G01V1/38	8	specially adapted for water-covered areas (G01V1/28 takes precedence)	G01V1/38	G01V1/38		1725
G01V1/3808	9	{Seismic data acquisition, e.g. survey design}	G01V1/38	G01V1/38		1395
G01V1/3817	9	{Positioning of seismic devices}	G01V1/38	G01V1/38		442
G01V1/3826	10	{dynamic steering, e.g. by paravanes or birds}	G01V1/38	G01V1/38		386
G01V1/3835	10	{measuring position, e.g. by GPS or acoustically}	G01V1/38	G01V1/38		373
G01V1/3843	9	{Deployment of seismic devices, e.g. of streamers (equipment for marine deployment in general B63B)}	G01V1/38	G01V1/38		430
G01V1/3852	10	{to the seabed}	G01V1/38	G01V1/38		433
G01V1/3861	9	{control of source arrays, e.g. for far field control}	G01V1/38	G01V1/38		250
G01V1/387	9	Reducing secondary bubble pulse, i.e. reducing the detected signals resulting from the generation and release of gas bubbles after the primary explosion	G01V1/387	G01V1/387		94
G01V1/393	9	Means for loading explosive underwater charges, e.g. combined with ignition devices	G01V1/393	G01V1/393		53
G01V1/40	8	specially adapted for well-logging	G01V1/40	G01V1/40		2087
G01V1/42	9	using generators in one well and receivers elsewhere or vice versa(G01V1/52 takes precedence)	G01V1/42	G01V1/42		784
G01V1/44	9	using generators and receivers in the same well (G01V1/52 takes precedence)	G01V1/44	G01V1/44		692
G01V1/46	10	Data acquisition	G01V1/46	G01V1/46		652
G01V1/48	10	Processing data	G01V1/48	G01V1/48		843
G01V1/50	11	Analysing data	G01V1/50	G01V1/50		2423
G01V1/52	9	Structural details	G01V1/52	G01V1/52		950
G01V1/523	10	{Damping devices}	G01V1/52	G01V1/52		136
G01V2001/526	10	{Mounting of transducers}	G01V1/52	G01V1/52		183
G01V3/00	7	Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation	G01V3/00	G01V3/00		1320
G01V3/02	8	operating with propagation of electric current	G01V3/02	G01V3/02		990
G01V3/04	9	using DC	G01V3/04	G01V3/04		288
G01V3/06	9	using AC	G01V3/06	G01V3/06		479
G01V3/08	8	operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices (with electromagnetic waves G01V3/12)	G01V3/08	G01V3/08		2699
G01V3/081	9	{the magnetic field is produced by the objects or geological structures (characterised by the method of magnetic field measurement G01R33/00)}	G01V3/08	G01V3/08		1285
G01V3/082	9	{operating with fields produced by spontaneous potentials, e.g. electrochemical or produced by telluric currents (G01V3/26 takes precedence)}	G01V3/08	G01V3/08		259
G01V3/083	9	{Controlled source electromagnetic [CSEM] surveying}	G01V3/08	G01V3/08		797
G01V2003/084	10	{Sources}	G01V3/08	G01V3/08		132
G01V2003/085	10	{Receivers}	G01V3/08	G01V3/08		88
G01V2003/086	10	{Processing}	G01V3/08	G01V3/08		155
G01V3/087	9	{the earth magnetic field being modified by the objects or geological structures}	G01V3/08	G01V3/08		242
G01V3/088	9	{operating with electric fields (G01V3/082 takes precedence)}	G01V3/08	G01V3/08		885
G01V3/10	9	using induction coils	G01V3/10	G01V3/10		1824
G01V3/101	10	{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 G01R27/00, e.g. quality factor G01R27/26)}	G01V3/10	G01V3/10		544
G01V3/102	11	{by measuring amplitude}	G01V3/10	G01V3/10		240
G01V3/104	10	{using several coupled or uncoupled coils (G01V3/101 takes precedence)}	G01V3/10	G01V3/10		768
G01V3/105	11	{forming directly coupled primary and secondary coils or loops}	G01V3/10	G01V3/10		364
G01V3/107	12	{using compensating coil or loop arrangements}	G01V3/10	G01V3/10		370
G01V3/108	11	{the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other}	G01V3/10	G01V3/10		103
G01V3/12	8	operating with electromagnetic waves {(operating with millimetre waves G01V8/005)}	G01V3/12	G01V3/12		3676
G01V3/14	8	operating with electron or nuclear magnetic resonance	G01V3/14	G01V3/14		427
G01V3/15	8	specially adapted for use during transport, e.g. by a person, vehicle or boat	G01V3/15	G01V3/15		1259
G01V3/16	9	specially adapted for use from aircraft (G01V3/165&#160;-&#160;G01V3/175 take precedence)	G01V3/16	G01V3/16		310
G01V3/165	9	operating with magnetic or electric fields produced or modified by the object or by the detecting device (with electromagnetic waves G01V3/17)	G01V3/165	G01V3/165		790
G01V3/17	9	operating with electromagnetic waves {(operating with millimetre waves G01V8/005)}	G01V3/17	G01V3/17		374
G01V3/175	9	operating with electron or nuclear magnetic resonance	G01V3/175	G01V3/175		31
G01V3/18	8	specially adapted for well-logging	G01V3/18	G01V3/18		846
G01V3/20	9	operating with propagation of electric current	G01V3/20	G01V3/20		824
G01V3/22	10	using DC	G01V3/22	G01V3/22		176
G01V3/24	10	using AC	G01V3/24	G01V3/24		550
G01V3/26	9	operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device (with electromagnetic waves G01V3/30)	G01V3/26	G01V3/26		880
G01V3/265	10	{Operating with fields produced by spontaneous potentials, e.g. electrochemicals or produced by telluric currents}	G01V3/26	G01V3/26		153
G01V3/28	10	using induction coils	G01V3/28	G01V3/28		1297
G01V3/30	9	operating with electromagnetic waves	G01V3/30	G01V3/30		1165
G01V3/32	9	operating with electron or nuclear magnetic resonance	G01V3/32	G01V3/32		1089
G01V3/34	9	Transmitting data to recording or processing apparatus; Recording data	G01V3/34	G01V3/34		416
G01V3/36	8	Recording data (G01V3/34 takes precedence)	G01V3/36	G01V3/36		137
G01V3/38	8	Processing data, e.g. for analysis, for interpretation, for correction	G01V3/38	G01V3/38		4045
G01V3/40	8	specially adapted for measuring magnetic field characteristics of the earth	G01V3/40	G01V3/40		708
G01V5/00	7	Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity	G01V5/00	G01V5/00		538
G01V5/02	8	specially adapted for surface logging, e.g. from aircraft	G01V5/02	G01V5/02		176
G01V5/025	9	{specially adapted for use from aircraft}	G01V5/02	G01V5/02		35
G01V5/04	8	specially adapted for well-logging	G01V5/04	G01V5/04		539
G01V5/045	9	{Transmitting data to recording or processing apparatus; Recording data}	G01V5/04	G01V5/04		136
G01V5/06	9	for detecting naturally radioactive minerals	G01V5/06	G01V5/06		383
G01V5/08	9	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 G01N23/00)}	G01V5/08	G01V5/08		240
G01V5/085	10	{using another radioactive source}	G01V5/08	G01V5/08		19
G01V5/10	10	using neutron sources {(neutron generating tubes H05H5/00; neutron sources using isotopes G21G4/00)}	G01V5/10	G01V5/10		378
G01V5/101	11	{and detecting the secondary Y-rays produced in the surrounding layers of the bore hole}	G01V5/10	G01V5/10		532
G01V5/102	12	{the neutron source being of the pulsed type}	G01V5/10	G01V5/10		319
G01V5/104	11	{and detecting secondary Y-rays as well as reflected or back-scattered neutrons}	G01V5/10	G01V5/10		205
G01V5/105	12	{the neutron source being of the pulsed type}	G01V5/10	G01V5/10		82
G01V5/107	11	{and detecting reflected or back-scattered neutrons}	G01V5/10	G01V5/10		266
G01V5/108	12	{the neutron source being of the pulsed type}	G01V5/10	G01V5/10		126
G01V5/12	10	using gamma or X-ray sources {(gamma sources using isotopes G21G4/00; X-ray tubes H01J35/00)}	G01V5/12	G01V5/12		548
G01V5/125	11	{and detecting the secondary gamma- or X-rays in different places along the bore hole}	G01V5/12	G01V5/12		218
G01V5/14	10	using a combination of several sources, e.g. a neutron and a gamma source	G01V5/14	G01V5/14		71
G01V5/145	11	{using a neutron source combined with a gamma- or X-ray source}	G01V5/14	G01V5/14		47
G01V5/20	8	Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects	G01V5/20	G01V5/20		710
G01V5/22	9	Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays	G01V5/22	G01V5/22		1416
G01V5/222	10	measuring scattered radiation	G01V5/222	G01V5/222		442
G01V5/223	10	{Mixed interrogation beams, e.g. using more than one type of radiation beam}	G01V5/22	G01V5/22		93
G01V5/224	10	{Multiple energy techniques using one type of radiation, e.g. X-rays of different energies}	G01V5/22	G01V5/22		290
G01V5/226	10	using tomography	G01V5/226	G01V5/226		469
G01V5/228	10	{using stereoscopic means}	G01V5/22	G01V5/22		62
G01V5/232	10	{having relative motion between the source, detector and object other than by conveyor (G01V5/226 takes precedence)}	G01V5/22	G01V5/232		201
G01V5/234	10	{Measuring induced radiation, e.g. thermal neutron activation analysis}	G01V5/22	G01V5/234		135
G01V5/26	9	Passive interrogation, i.e. by measuring radiation emitted by objects or goods	G01V5/26	G01V5/26		234
G01V5/271	9	{using a network, e.g. a remote expert, accessing remote data or the like}	G01V5/20	G01V5/271		110
G01V5/281	9	{detecting special nuclear material [SNM], e.g. Uranium-235, Uranium-233 or Plutonium-239}	G01V5/20	G01V5/281		167
G01V7/00	7	Measuring gravitational fields or waves; Gravimetric prospecting or detecting	G01V7/00	G01V7/00		1091
G01V7/005	8	{using a resonating body or device, e.g. string (G01V7/08&#160;-&#160;G01V7/12 take precedence; measuring resonant frequency of mechanical vibrations G01H13/00; measuring frequency per seG01R23/00)}	G01V7/00	G01V7/00		72
G01V7/02	8	Details	G01V7/02	G01V7/02		307
G01V7/04	9	Electric, photoelectric, or magnetic indicating or recording means	G01V7/04	G01V7/04		184
G01V7/06	9	Analysis or interpretation of gravimetric records	G01V7/06	G01V7/06		366
G01V7/08	8	using balances	G01V7/08	G01V7/08		143
G01V7/10	9	using torsion balances, e.g. E&#246;tv&#246;s balance	G01V7/10	G01V7/10		191
G01V7/12	8	using pendulums	G01V7/12	G01V7/12		98
G01V7/14	8	using free-fall time	G01V7/14	G01V7/14		117
G01V7/16	8	specially adapted for use on moving platforms, e.g. ship, aircraft	G01V7/16	G01V7/16		272
G01V8/00	7	Prospecting or detecting by optical means<br><br><u>NOTE</u><br><br> This group covers the use of millimetre waves,infrared, visible or ultraviolet light. 	G01V8/00	G01V8/00		320
G01V8/005	8	{operating with millimetre waves, e.g. measuring the black losey radiation}	G01V8/00	G01V8/00		736
G01V8/02	8	Prospecting	G01V8/02	G01V8/02		488
G01V8/10	8	Detecting, e.g. by using light barriers (by reflection from the object G01S17/00)	G01V8/10	G01V8/10		5204
G01V8/12	9	using one transmitter and one receiver	G01V8/12	G01V8/12		1791
G01V8/14	10	using reflectors	G01V8/14	G01V8/14		613
G01V8/16	10	using optical fibres	G01V8/16	G01V8/16		281
G01V8/18	10	using mechanical scanning systems	G01V8/18	G01V8/18		134
G01V8/20	9	using multiple transmitters or receivers	G01V8/20	G01V8/20		2332
G01V8/22	10	using reflectors	G01V8/22	G01V8/22		319
G01V8/24	10	using optical fibres	G01V8/24	G01V8/24		130
G01V8/26	10	using mechanical scanning systems	G01V8/26	G01V8/26		77
G01V9/00	7	Prospecting or detecting by methods not provided for in groups G01V1/00&#160;-&#160;G01V8/00	G01V9/00	G01V9/00		4064
G01V9/002	8	{using fields or radiation detectable only by persons susceptible therefor, e.g. radio-esthesis, dowsing}	G01V9/00	G01V9/00		188
G01V9/005	8	{by thermal methods, e.g. after generation of heat by chemical reactions}	G01V9/00	G01V9/00		514
G01V9/007	8	{by detecting gases or particles representative of underground layers at or near the surface (analysing earth materials G01N33/24; analysing gases per seG01N)}	G01V9/00	G01V9/00		496
G01V9/02	8	Determining existence or flow of underground water	G01V9/02	G01V9/02		412
G01V11/00	7	Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00&#160;-&#160;G01V9/00	G01V11/00	G01V11/00		4454
G01V11/002	8	{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 E21B47/12; signal transmission systems in general G08C; transmission in general H04B)}	G01V11/00	G01V11/00		1180
G01V11/005	9	{Devices for positioning logging sondes with respect to the borehole wall (centralising devices for drilling rods or pipes E21B17/10; setting or locking tools in boreholes E21B23/00; locating objects in boreholes E21B47/09)}	G01V11/00	G01V11/00		292
G01V11/007	8	{using the seismo-electric effect}	G01V11/00	G01V11/00		138
G01V13/00	7	Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 &#8211; G01V11/00	G01V13/00	G01V13/00		2034
G01V15/00	7	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 G06K19/00)	G01V15/00	G01V15/00		1243
G01V20/00	7	Geomodelling in general<br><br><u>NOTE</u><br><br>This group covers geomodelling or geomodels wherein no prospecting, detecting or measuring technique is specified or relevant.	G01V20/00	G01V20/00		2792
G01V99/00	7	Subject matter not provided for in other groups of this subclass	G01V99/00	G01V99/00		528
G01V2200/00	7	Details of seismic or acoustic prospecting or detecting in general	CPCONLY	G01V2200/00		12
G01V2200/10	8	Miscellaneous details	CPCONLY	G01V2200/10		17
G01V2200/12	9	Clock synchronization-related issues	CPCONLY	G01V2200/12		99
G01V2200/14	9	Quality control	CPCONLY	G01V2200/14		172
G01V2200/16	9	Measure-while-drilling or logging-while-drilling	CPCONLY	G01V2200/16		260
G01V2210/00	7	Details of seismic processing or analysis	CPCONLY	G01V2210/00		20
G01V2210/10	8	Aspects of acoustic signal generation or detection	CPCONLY	G01V2210/10		13
G01V2210/12	9	Signal generation	CPCONLY	G01V2210/12		39
G01V2210/121	10	Active source	CPCONLY	G01V2210/121		200
G01V2210/1212	11	Shot	CPCONLY	G01V2210/1212		104
G01V2210/1214	11	Continuous	CPCONLY	G01V2210/1214		67
G01V2210/1216	11	Drilling-related	CPCONLY	G01V2210/1216		64
G01V2210/123	10	Passive source, e.g. microseismics	CPCONLY	G01V2210/123		210
G01V2210/1232	11	Earthquakes	CPCONLY	G01V2210/1232		144
G01V2210/1234	11	Hydrocarbon reservoir, e.g. spontaneous or induced fracturing	CPCONLY	G01V2210/1234		289
G01V2210/1236	11	Acoustic daylight, e.g. cultural noise	CPCONLY	G01V2210/1236		23
G01V2210/125	10	Virtual source	CPCONLY	G01V2210/125		30
G01V2210/127	10	Cooperating multiple sources	CPCONLY	G01V2210/127		149
G01V2210/129	10	Source location	CPCONLY	G01V2210/129		28
G01V2210/1291	11	Air	CPCONLY	G01V2210/1291		3
G01V2210/1293	11	Sea	CPCONLY	G01V2210/1293		268
G01V2210/1295	11	Land surface	CPCONLY	G01V2210/1295		159
G01V2210/1297	11	Sea bed	CPCONLY	G01V2210/1297		47
G01V2210/1299	11	Subsurface, e.g. in borehole or below weathering layer or mud line	CPCONLY	G01V2210/1299		312
G01V2210/14	9	Signal detection	CPCONLY	G01V2210/14		56
G01V2210/142	10	Receiver location	CPCONLY	G01V2210/142		34
G01V2210/1421	11	Air	CPCONLY	G01V2210/1421		3
G01V2210/1423	11	Sea	CPCONLY	G01V2210/1423		258
G01V2210/1425	11	Land surface	CPCONLY	G01V2210/1425		211
G01V2210/1427	11	Sea bed	CPCONLY	G01V2210/1427		229
G01V2210/1429	11	Subsurface, e.g. in borehole or below weathering layer or mud line	CPCONLY	G01V2210/1429		492
G01V2210/144	10	with functionally associated receivers, e.g. hydrophone and geophone pairs	CPCONLY	G01V2210/144		82
G01V2210/16	9	Survey configurations	CPCONLY	G01V2210/16		65
G01V2210/161	10	Vertical seismic profiling [VSP]	CPCONLY	G01V2210/161		244
G01V2210/163	10	Cross-well	CPCONLY	G01V2210/163		30
G01V2210/165	10	Wide azimuth	CPCONLY	G01V2210/165		35
G01V2210/167	10	Very long offset	CPCONLY	G01V2210/167		12
G01V2210/169	10	Sparse arrays	CPCONLY	G01V2210/169		60
G01V2210/20	8	Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out	CPCONLY	G01V2210/20		300
G01V2210/21	9	Frequency-domain filtering, e.g. band pass	CPCONLY	G01V2210/21		162
G01V2210/22	9	Time-domain filtering	CPCONLY	G01V2210/22		44
G01V2210/23	9	Wavelet filtering	CPCONLY	G01V2210/23		45
G01V2210/24	9	Multi-trace filtering	CPCONLY	G01V2210/24		40
G01V2210/242	10	F-k filtering, e.g. ground roll	CPCONLY	G01V2210/242		35
G01V2210/244	10	Radon transform	CPCONLY	G01V2210/244		22
G01V2210/25	9	Transform filter for merging or comparing traces from different surveys	CPCONLY	G01V2210/25		15
G01V2210/26	9	Modulation or demodulation, e.g. for continuous sources	CPCONLY	G01V2210/26		14
G01V2210/27	9	Other pre-filtering	CPCONLY	G01V2210/27		49
G01V2210/30	8	Noise handling	CPCONLY	G01V2210/30		134
G01V2210/32	9	Noise reduction	CPCONLY	G01V2210/32		693
G01V2210/322	10	Trace stacking	CPCONLY	G01V2210/322		172
G01V2210/324	10	Filtering	CPCONLY	G01V2210/324		501
G01V2210/3242	11	Flow noise	CPCONLY	G01V2210/3242		10
G01V2210/3244	11	Cultural noise	CPCONLY	G01V2210/3244		3
G01V2210/3246	11	Coherent noise, e.g. spatially coherent or predictable	CPCONLY	G01V2210/3246		149
G01V2210/3248	11	Incoherent noise, e.g. white noise	CPCONLY	G01V2210/3248		61
G01V2210/34	9	Noise estimation	CPCONLY	G01V2210/34		75
G01V2210/36	9	Noise recycling, i.e. retrieving non-seismic information from noise	CPCONLY	G01V2210/36		5
G01V2210/38	9	Noise characterisation or classification	CPCONLY	G01V2210/38		17
G01V2210/40	8	Transforming data representation	CPCONLY	G01V2210/40		136
G01V2210/41	9	Arrival times, e.g. of P or S wave or first break	CPCONLY	G01V2210/41		83
G01V2210/42	9	Waveform, i.e. using raw or pre-filtered trace data	CPCONLY	G01V2210/42		45
G01V2210/43	9	Spectral	CPCONLY	G01V2210/43		137
G01V2210/44	9	F-k domain	CPCONLY	G01V2210/44		70
G01V2210/45	9	F-x or F-xy domain	CPCONLY	G01V2210/45		25
G01V2210/46	9	Radon transform	CPCONLY	G01V2210/46		58
G01V2210/47	9	Slowness, e.g. tau-pi	CPCONLY	G01V2210/47		95
G01V2210/48	9	Other transforms	CPCONLY	G01V2210/48		269
G01V2210/50	8	Corrections or adjustments related to wave propagation	CPCONLY	G01V2210/50		131
G01V2210/51	9	Migration	CPCONLY	G01V2210/51		384
G01V2210/512	10	Pre-stack	CPCONLY	G01V2210/512		498
G01V2210/514	10	Post-stack	CPCONLY	G01V2210/514		130
G01V2210/52	9	Move-out correction	CPCONLY	G01V2210/52		360
G01V2210/522	10	Dip move-out [DMO]	CPCONLY	G01V2210/522		31
G01V2210/53	9	Statics correction, e.g. weathering layer or transformation to a datum	CPCONLY	G01V2210/53		384
G01V2210/532	10	Dynamic changes in statics, e.g. sea waves or tidal influences	CPCONLY	G01V2210/532		22
G01V2210/54	9	Borehole-related corrections	CPCONLY	G01V2210/54		31
G01V2210/542	10	Casing	CPCONLY	G01V2210/542		10
G01V2210/544	10	Invasion zone	CPCONLY	G01V2210/544		
G01V2210/55	9	Array focusing; Phased arrays	CPCONLY	G01V2210/55		25
G01V2210/56	9	De-ghosting; Reverberation compensation	CPCONLY	G01V2210/56		473
G01V2210/57	9	Trace interpolation or extrapolation, e.g. for virtual receiver; Anti-aliasing for missing receivers	CPCONLY	G01V2210/57		201
G01V2210/58	9	Media-related	CPCONLY	G01V2210/58		39
G01V2210/582	10	Dispersion	CPCONLY	G01V2210/582		18
G01V2210/584	10	Attenuation	CPCONLY	G01V2210/584		47
G01V2210/586	10	Anisotropic media	CPCONLY	G01V2210/586		66
G01V2210/588	10	Non-linear media	CPCONLY	G01V2210/588		9
G01V2210/59	9	Other corrections	CPCONLY	G01V2210/59		86
G01V2210/60	8	Analysis	CPCONLY	G01V2210/60		208
G01V2210/61	9	Analysis by combining or comparing a seismic data set with other data	CPCONLY	G01V2210/61		151
G01V2210/612	10	Previously recorded data, e.g. time-lapse or 4D	CPCONLY	G01V2210/612		249
G01V2210/6122	11	Tracking reservoir changes over time, e.g. due to production	CPCONLY	G01V2210/6122		99
G01V2210/6124	12	Subsidence, i.e. upwards or downwards	CPCONLY	G01V2210/6124		16
G01V2210/614	10	Synthetically generated data	CPCONLY	G01V2210/614		533
G01V2210/616	10	Data from specific type of measurement	CPCONLY	G01V2210/616		31
G01V2210/6161	11	Seismic or acoustic, e.g. land or sea measurements	CPCONLY	G01V2210/6161		662
G01V2210/6163	11	Electromagnetic	CPCONLY	G01V2210/6163		150
G01V2210/6165	11	Gravitational	CPCONLY	G01V2210/6165		26
G01V2210/6167	11	Nuclear	CPCONLY	G01V2210/6167		55
G01V2210/6169	11	using well-logging	CPCONLY	G01V2210/6169		1129
G01V2210/62	9	Physical property of subsurface	CPCONLY	G01V2210/62		639
G01V2210/622	10	Velocity, density or impedance	CPCONLY	G01V2210/622		126
G01V2210/6222	11	Velocity; travel time	CPCONLY	G01V2210/6222		1213
G01V2210/6224	11	Density	CPCONLY	G01V2210/6224		170
G01V2210/6226	11	Impedance	CPCONLY	G01V2210/6226		283
G01V2210/624	10	Reservoir parameters	CPCONLY	G01V2210/624		1522
G01V2210/6242	11	Elastic parameters, e.g. Young, Lam&#233; or Poisson	CPCONLY	G01V2210/6242		310
G01V2210/6244	11	Porosity	CPCONLY	G01V2210/6244		342
G01V2210/6246	11	Permeability	CPCONLY	G01V2210/6246		150
G01V2210/6248	11	Pore pressure	CPCONLY	G01V2210/6248		90
G01V2210/626	10	with anisotropy	CPCONLY	G01V2210/626		249
G01V2210/63	9	Seismic attributes, e.g. amplitude, polarity, instant phase	CPCONLY	G01V2210/63		795
G01V2210/632	10	Amplitude variation versus offset or angle of incidence [AVA, AVO, AVI]	CPCONLY	G01V2210/632		183
G01V2210/64	9	Geostructures, e.g. in 3D data cubes	CPCONLY	G01V2210/64		561
G01V2210/641	10	Continuity of geobodies	CPCONLY	G01V2210/641		161
G01V2210/642	10	Faults	CPCONLY	G01V2210/642		578
G01V2210/643	10	Horizon tracking	CPCONLY	G01V2210/643		171
G01V2210/644	10	Connectivity, e.g. for fluid movement	CPCONLY	G01V2210/644		102
G01V2210/645	10	Fluid contacts	CPCONLY	G01V2210/645		45
G01V2210/646	10	Fractures	CPCONLY	G01V2210/646		470
G01V2210/647	10	Gas hydrates	CPCONLY	G01V2210/647		42
G01V2210/65	9	Source localisation, e.g. faults, hypocenters or reservoirs	CPCONLY	G01V2210/65		310
G01V2210/66	9	Subsurface modeling	CPCONLY	G01V2210/66		1053
G01V2210/661	10	Model from sedimentation process modeling, e.g. from first principles	CPCONLY	G01V2210/661		184
G01V2210/663	10	Modeling production-induced effects	CPCONLY	G01V2210/663		142
G01V2210/665	10	using geostatistical modeling	CPCONLY	G01V2210/665		262
G01V2210/6652	11	Kriging	CPCONLY	G01V2210/6652		42
G01V2210/667	10	Determining confidence or uncertainty in parameters	CPCONLY	G01V2210/667		115
G01V2210/67	9	Wave propagation modeling	CPCONLY	G01V2210/67		279
G01V2210/671	10	Raytracing	CPCONLY	G01V2210/671		72
G01V2210/673	10	Finite-element; Finite-difference	CPCONLY	G01V2210/673		70
G01V2210/675	10	Wave equation; Green&apos;s functions	CPCONLY	G01V2210/675		143
G01V2210/677	10	Spectral; Pseudo-spectral	CPCONLY	G01V2210/677		25
G01V2210/679	10	Reverse-time modeling or coalescence modelling, i.e. starting from receivers	CPCONLY	G01V2210/679		196
G01V2210/70	8	Other details related to processing	CPCONLY	G01V2210/70		45
G01V2210/72	9	Real-time processing	CPCONLY	G01V2210/72		91
G01V2210/74	9	Visualisation of seismic data	CPCONLY	G01V2210/74		738
