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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,691 documents.

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Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...

2013

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: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

.... No deconvolution was applied. Example B was obtained using the same data, but we added our receiver statics correction on the NMO corrected ACP gathers...

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: 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: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

...-way traveltime along the normal ray, the apparent slowness (traveltime gradient) at the emergence point, and the apparent NMO velocity, Vnmo (related...

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-EffortŽ 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

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... constrained P & PS estimation Robust Noise Attenuation P &PS Velocity Estimation Angle •  7 NMO Vp/Vs Semblance: stacks 8 Preserving Azimuth...

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

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

... high gradients, possibly due to the effects of noise and incorrect NMO correction (i.e. unflattened events on gathers), and gradient stacks through...

2000

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 BŽ, 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

The Deer Lake Basin, Newfoundland: Structural Constraints from New Seismic Data

James A. Wright, Brian H. Hoffe, George S. Langdon, Garry M. Quinlan

CSPG Bulletin

... and the starting velocity model for NMO analysis. The detailed velocity structure derived from the refraction statics is necessary in any attempt to image...

1996

Test Analysis of a 2D Seismic Survey With Finer CMP Interval

Zhao Xuewu, Widya Putri Pratami, Xu Qingsen, Muchlis MYS, Guo Shanli

Indonesian Petroleum Association

... to be, a. 10 m, nominal fold 120 and b. 15 m, nominal fold 180 after NMO. Figure 11a shows brute stack at bin size 5m and fold 60. Same processing...

2022

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