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geochemistry & geophysics (374) 374
moveout (169) 169
anisotropy (111) 111
velocity analysis (102) 102
transversely isotropic media (91) 91
anisotropic media (86) 86
inversion (81) 81
velocity (73) 73
normal moveout (66) 66
media (61) 61
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seismology (35) 35
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analysis (31) 31
geophysics (31) 31
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geosciences, multidisciplinary (25) 25
seismic surveys (25) 25
traveltime (25) 25
waves (25) 25
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geophysics/geodesy (24) 24
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normal-moveout (23) 23
imaging (22) 22
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stacking (20) 20
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equation (18) 18
parameter-estimation (18) 18
quartic moveout coefficient (18) 18
accuracy (17) 17
geosciences (17) 17
models (16) 16
offsets (16) 16
travel-time approximations (16) 16
algorithms (15) 15
data analysis (15) 15
engineering, petroleum (15) 15
inversions (15) 15
seismic engineering (15) 15
azimuth (14) 14
mining & mineral processing (14) 14
offset (14) 14
equations (13) 13
moveout inversion (13) 13
nonhyperbolic reflection moveout (13) 13
parameter estimation (13) 13
propagation (13) 13
engineering, geological (12) 12
moveout correction (12) 12
domain (11) 11
fractures (11) 11
geology (11) 11
horizontal transverse isotropy (11) 11
interpolation (11) 11
spectra (11) 11
arbitrary spatial orientation (10) 10
attenuation (10) 10
errors (10) 10
fourier-transform (10) 10
isotropy (10) 10
rocks (10) 10
sections (10) 10
amplitude (9) 9
axis (9) 9
common-image gathers (9) 9
converted waves (9) 9
geotechnical engineering & applied earth sciences (9) 9
images (9) 9
residual moveout (9) 9
seismic studies (9) 9
travel-times (9) 9
attributes (8) 8
avo (8) 8
coefficients (8) 8
continuation (8) 8
converted wave (8) 8
decomposition (8) 8
inhomogeneous-media (8) 8
migration velocity analysis (8) 8
normal moveout correction (8) 8
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Geophysical Prospecting, ISSN 0016-8025, 03/1999, Volume 47, Issue 2, pp. 117 - 148
Despite the complexity of wave propagation in anisotropic media, reflection moveout on conventional common‐midpoint (CMP) spreads is usually well described by... 
GEOCHEMISTRY & GEOPHYSICS | REFLECTION MOVEOUT | SEISMIC DATA | PARAMETERS | Physics - Geophysics
Journal Article
Geophysics, ISSN 0016-8033, 11/2015, Volume 81, Issue 5, pp. U73 - U85
A good seismic velocity model is required for many routine seismic imaging techniques. Velocity model building from seismic data is often labor intensive and... 
GEOCHEMISTRY & GEOPHYSICS | NORMAL MOVEOUT
Journal Article
GEOPHYSICS, ISSN 0016-8033, 05/2019, Volume 84, Issue 3, pp. C171 - C180
Tilted orthorhombic (TOR) models are typical for dipping anisotropic layers, such as fractured shales, and can also be due to nonhydrostatic stress fields.... 
GEOCHEMISTRY & GEOPHYSICS | PARAMETERS | BEHAVIOR | NORMAL-MOVEOUT
Journal Article
Geophysics, ISSN 0016-8033, 1999, Volume 64, Issue 3, pp. 678 - 690
Converted-wave processing is more critically dependent dent on physical assumptions concerning rock velocities than is pure-mode processing, because not only... 
GEOCHEMISTRY & GEOPHYSICS | MOVEOUT
Journal Article
Geophysics, ISSN 0016-8033, 2012, Volume 77, Issue 2, pp. U23 - U30
Journal Article
GEOPHYSICS, ISSN 0016-8033, 05/2019, Volume 84, Issue 3, pp. C159 - C170
Based on the rotation of a slowness surface in anisotropic media, we have derived a set of mapping operators that establishes a point-to-point correspondence... 
MIGRATION | GEOCHEMISTRY & GEOPHYSICS | VELOCITY | APPROXIMATIONS | P-WAVES | REFLECTION MOVEOUT | SEISMIC DATA | QUARTIC MOVEOUT COEFFICIENT | ORTHORHOMBIC MEDIA | PARAMETERS | EQUATION
Journal Article
GEOPHYSICS, ISSN 0016-8033, 03/2014, Volume 79, Issue 2, pp. C27 - C53
Journal Article
GEOPHYSICS, ISSN 0016-8033, 05/2019, Volume 84, Issue 3, pp. C129 - C142
In conventional normal moveout (NMO) correction, some parts of the recorded data at larger offsets are discarded because of NMO distortions. Deviation from the... 
VELOCITY ANALYSIS | GEOCHEMISTRY & GEOPHYSICS | APPROXIMATIONS | NONHYPERBOLIC MOVEOUT
Journal Article
GEOPHYSICS, ISSN 0016-8033, 07/1999, Volume 64, Issue 4, pp. 1193 - 1201
An algorithm is proposed for determining the fracture orientation based on the azimuthal variations in the P-wave reflection moveout for a target interval. The... 
GEOCHEMISTRY & GEOPHYSICS | EQUATIONS | REFLECTION MOVEOUT | ANISOTROPIC MEDIA | HORIZONTAL TRANSVERSE ISOTROPY
Journal Article
by Liu, Y and Fomel, S
GEOPHYSICS, ISSN 0016-8033, 11/2010, Volume 75, Issue 6, pp. WB235 - WB245
Many of the geophysical data-analysis problems such as signal-noise separation and data regularization are conveniently formulated in a transform domain, in... 
INTERPOLATION | GEOCHEMISTRY & GEOPHYSICS | MOVEOUT
Journal Article
Geophysics, ISSN 0016-8033, 03/2019, Volume 84, Issue 2, pp. C75 - C83
A description of the subsurface is incomplete without the use of S-waves. Use of converted waves is one way to involve S-waves. We have developed and tested an... 
moveout | converted wave | traveltime | anisotropy | GEOCHEMISTRY & GEOPHYSICS | MEDIA
Journal Article
GEOPHYSICS, ISSN 0016-8033, 01/2013, Volume 78, Issue 1, pp. U9 - U18
Wide-azimuth, long-offset surveys are becoming increasingly common in unconventional exploration plays where one of the key routine processes is maintaining... 
GEOCHEMISTRY & GEOPHYSICS | SEISMIC DATA | MEDIA | NORMAL MOVEOUT STRETCH | APPROXIMATIONS
Journal Article
Geophysics, ISSN 0016-8033, 2007, Volume 72, Issue 2, pp. B19 - B30
Conventional fracture-characterization methods assume the presence of a single set of aligned, vertical cracks in the subsurface. We relax this assumption and... 
Rocks | Seismic waves | Seismology | Hydrocarbon reservoirs | GEOCHEMISTRY & GEOPHYSICS | VELOCITY | ORTHORHOMBIC MEDIA | MOVEOUT INVERSION | PARAMETERS | ANISOTROPY | Physics - Geophysics
Journal Article
Wutan Huatan Jisuan Jishu, ISSN 1001-1749, 05/2017, Volume 39, Issue 3, pp. 367 - 371
Journal Article
GEOPHYSICS, ISSN 0016-8033, 09/2013, Volume 78, Issue 5, pp. WC123 - WC135
Journal Article
Geophysics, ISSN 0016-8033, 2012, Volume 77, Issue 6, pp. C43 - C55
Traveltime parameters define the coefficients of the Taylor series for traveltime or traveltime squared as a function of offset. These parameters provide an... 
Velocity analysis | 2D | Traveltime | Anisotropy | Modeling | GEOCHEMISTRY & GEOPHYSICS | APPROXIMATIONS | REFLECTION MOVEOUT | QUARTIC MOVEOUT COEFFICIENT | STACKING-VELOCITY TOMOGRAPHY | INVERSION | AXIS
Journal Article
GEOPHYSICS, ISSN 0016-8033, 11/2019, Volume 84, Issue 6, pp. Q57 - Q72
The Marchenko method retrieves Green's functions between the acquisition surface and any arbitrary point in the medium. The process generally involves solving... 
ATTRIBUTES | MIGRATION | GEOCHEMISTRY & GEOPHYSICS | GREENS-FUNCTION RETRIEVAL | MOVEOUT | MULTIPLES | WAVE-FIELD | ELIMINATION | RECIPROCITY THEOREMS
Journal Article
GEOPHYSICS, ISSN 0016-8033, 05/2015, Volume 80, Issue 3, pp. U13 - U24
Journal Article
Geophysics, ISSN 0016-8033, 2012, Volume 77, Issue 4, pp. C37 - C42
In a transversely isotropic (TI) medium, the trade-off between inhomogeneity and anisotropy can dramatically reduce our capability to estimate anisotropy... 
Anisotropy | Modeling | Imaging | GEOCHEMISTRY & GEOPHYSICS | MOVEOUT | TRANSVERSELY ISOTROPIC MEDIA
Journal Article
GEOPHYSICS, ISSN 0016-8033, 09/2019, Volume 84, Issue 5, pp. C217 - C227
High-resolution imaging has become more popular recently in exploration geophysics. Conventionally, geophysicists image the subsurface using the isotropy... 
GEOCHEMISTRY & GEOPHYSICS | REFLECTION | TRANSVERSELY ISOTROPIC MEDIA | DEPTH MIGRATION | PARAMETER-ESTIMATION | NORMAL MOVEOUT VELOCITY
Journal Article
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