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Showing 547 Results. Searched 200,357 documents.
South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset
Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon
International Meeting for Applied Geoscience and Energy (IMAGE)
...-conditioning applied. A mild Radon de-multiple together with a residual NMO correction were tested and used. The offset gathers were stacked into 8 partial...
2022
An unsupervised intelligent stacking velocity analysis based on clustering
Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the accuracy, freeing up manpower. In addition, for a more intuitive comparison, we made NMO stack with the two velocity fields in Figure 1...
2024
Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir
Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte
GCAGS Transactions
... information added to the seismic trace headers. Normal moveout (NMO) and dip moveout (DMO) corrections were applied with azimuthal anisotropic...
2002
Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 7: Shallow 3-D Seismic and a 3-D Borehole Profile at Ekofisk Field
John A. Dangerfield
AAPG Special Volumes
..., accomplishing both NMO and 3-D migration. Unfortunately, the deepest 15 levels were so severely distorted by the gas that it was not useful to migrate...
2011
2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore
W. J. Jankowsky and G. Schlapak
AAPG Special Volumes
.... NMO-functions derived from continuous velocity analyses DAS: 2 Operators/Trace, Op. Lenth: 236 msec. Gate: 200 - 5900 msec. TVF:0.0 - 1.0 sec...
1983
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...
Unknown
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
... according to its predictability. Coherent noise can be predicted using model-based approaches. For example, multiples after NMO exhibit parabolic...
2013
Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
.... The (non-) repeatability of amplitudes in shot gathers datasets still does not automatically mean the same in the CMP domain. The consistency of NMO...
2013
Abstract: Multi-Vintage, Pre-Stack Calibration of 3-C 3-D Time-Lapse Seismic Data; #90171 (2013)
Igor B. Morozov and Le Gao
Search and Discovery.com
... and wavelet phase rotations. 4) Spectral balancing. 5) Measurement and compensation of the normal moveout (NMO) differences between the different...
2013
Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)
Todor I. Todorov, Gary F. Margrave
Search and Discovery.com
.../CWLS GeoConvention 2010, Calgary, Alberta, Canada, May 10-14, 2010 nature as well, we propose a new f-t-x noise attenuation technique on NMO -corrected...
2014
Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)
Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... of an optimum bin size for the P-wave processing, velocity analysis, NMO, stacking and other steps including migration. P-S data processing requires...
2014
Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)
Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
... bins, and NMO corrected. Figure (4) shows plots of three CMP gathers used for AVO trend assessment. The locations of these CMP gathers are annotated...
2014
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... a gather after NMO correction and the result of parabolic Radon transform. It can be seen that it is difficult to separate multiples from primaries...
2014
Abstract: Converted-wave Time Imaging Nuts and Bolts; #90187 (2014)
Shaowu Wang, Thomas Hollis, and Wayne Nowry
Search and Discovery.com
... final P-wave migration velocity, and , in which is the converted-wave NMO velocity and is calculated by events registration from PP PSTM stack and PS post...
2014
Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)
Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross
Search and Discovery.com
... of interest (ZOI), the reflections around the ZOI suffer severe NMO stretch and the signal-to-noise ratio is low beyond 600 m offset. It will degrade...
2014
Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)
Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi
Search and Discovery.com
..., as illustrated by Figure 4. These values were picked along the NMO curve. The reflection is stronger for the multi-layered CO2 saturated reservoir...
2015
Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)
Hassan Khaniani and John C. Bancroft
Search and Discovery.com
... the accuracy of this simulation, for the case where the lateral velocity variation is negligible, all of equivalent offset domain data lie on the hyperbolic NMO...
2015
Abstract: Progress in DAS Seismic Methods; #90224 (2015)
A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown
Search and Discovery.com
... on azimuth, 360 range. NMO has been applied to correct for offset variations (<300m). Top: Single receiver – notice the phase change of the first arrival...
2015
High-Effort Seismic Acquisition: Improving Image Detail; #41568 (2015)
David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram
Search and Discovery.com
... short period multiples, and equalize reflection strength over angle (Henley, 2004). Moveout velocity and statics NMO Velocity analysis and statics...
2015
Identification of Sand Dunes in the Early Jurassic Nugget Formation in the Moxa Arch of Wyoming Using Seismic Attributes, Petrophysical Modeling, and Seismic Data Conditioning; #51604 (2019)
Dhruv Agrawal, Sumit Verma, Subhashis Mallick
Search and Discovery.com
... workflow Pre-stack seismic data NMO correction Structure-oriented filtering (SOF) Stacking Post-stack seismic amplitude Seismic attributes Structure...
2019
Optimización de la Planeación de Nuevos Pozos de Desarrollo Mediante una Nueva Secuencia de Procesamiento y Migración Anisotrópica Pre-Apilado en Profundidad - Campos Guando y Matachín Norte y Sur, Valle Superior Del Magdalena (Colombia). [PAPER IN SPANI
Diógenes Rovira, M. Graziella Kirltand Grech
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... geológica de la capa somera no fue el único reto en estos campos. El método convencional de la corrección de NMO asume que tanto las fuentes como los...
2008
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
...) = Rp + (Rp - 2 Rs) sin2(Θ) This equation predicts how reflected P-wave amplitudes (Ap) vary with angle of incidence (Θ) for a seismic event in NMO...
1995
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... counterpart after azimuthal NMO correction where the associated azimuthal RMS inversion only considered ∆t’s corresponding to a maximum incidence angle...
2018
Implementation of Poisson Impedance Inversion to Characterize Hydrocarbon Reservoir at Field B, South Sumatera
Bagus Dwi Prasetyo, M. Syamsu Rosid, Junita Trivianty, Humbang Purba
Indonesian Petroleum Association
... curve before doing well to seismic tie (Figure 5a and 5b) to correlate well data with seismic data. Seismic data before NMO correction, with NMO...
2017