Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... normal moveout (NMO) corrections, an appropriate inside mute and outside mute to each shot gather, and then inverse NMO to the gathers. A representative...

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

... were not corrected for the tilted streamer geometry, the normal moveout (NMO) velocities which properly move out the primary arrivals for stacking...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

...'). The result is best illustrated on combined velocity analyses (Figs 3-6), showing normal-moveout (NMO) corrected gathers, constant velocity stacks...

Quantifying the Benefit from Pressure Gradient Data in Wavefield Reconstruction for Time-Lapse Seismic, #40843 (2011)

Phil Christie, Kurt Eggenberger, Everhard Muyzert, Massimiliano Vassallo, Ali Özbek

Search and Discovery.com

... and a generic, single-component sinc interpolator (SINC), NMO-SINC was used whereby reflections were de-aliased with normal moveout (NMO) corrections...

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

...). This paper focuses on the modeling that investigates at the effects of the background heterogeneity on the overall moveout characteristics of the body...

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

... mutes so that we can use the maximum offsets possible for AVO inversion. This commonly requires the use of spectral balancing to remove normal moveout...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... rotates, the isotropic normal moveout (NMO) correction is either overcorrecting or under-correcting the data, resulting in wobbles. This suggests...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

.... One way of expressing the difficulty is to say that events of different dips require different stacking velocities (for normal moveout removal...

Abstract: A Geophysical Appraisal of the East Spar Gas/Condensate Field

Adam Craig

Petroleum Exploration Society of Australia (PESA)

... was constructed by detailed interpretation of gas/condensate field the WA-214-P joint normal moveout velocities from seismic change. Such gas sands...

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

... special equipment which permits us to remove both the effects of variations in near-surface conditions and the normal moveout of the reflections. When we...

Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)

Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao

Search and Discovery.com

... as an example, the effects of volcanic rock on the reservoir structure and heterogeneity of reservoirs are carried out. This study provides a better...

Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).

David Gray

Search and Discovery.com

.... Removal of the effects of azimuthal velocity (Figure 3) demonstrates that the resulting gathers are suitable for AVO analysis. Both AVO and azimuthal...

True-Azimuth 3D Surface-Related Multiple Elimination

Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... differential normal move-out (NMO) correction BP Americas. The data comprises of a tot al of of sources and receivers in the direction applied...

Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand

Jasper Hoffmann, Andrew Gorman, Gareth Crutchley

Petroleum Exploration Society of Australia (PESA)

... on velocity analysis are a standard procedure undertaken during long-offset seismic processing to determine accurate normal moveout (NMO) corrections...

Zama--A Geophysical Case History: Case Histories

Hugh Evans

AAPG Special Volumes

...) the importance of proper NMO removal in processing, (3) the need for simplicity in routine recording parameters, and (4) the accuracy and precision...

Seismic Velocity Anisotropy in Chimore Area, Bolivia

Michael Fry, Eloy Martinez, James Baker, Mark Wallace

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... varying NMO correction. In areas where significant HTI anisotropy is present, correcting for HTI effects prior to stack can often result in an improved...

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the effect of the EXPGAIN previously applied; /NMO applies normal moveout, and certain files (FILES) are plotted so that we can see how appropriate...

FWI derived reflectivity gathers in angle domain

Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas

International Meeting for Applied Geoscience and Energy (IMAGE)

... reversals, we generated 3D synthetic elastic data of class 2p type (Gao et al., 2023) from a simple two-layer synthetic model. Figure 5a show a normal-moveout...

Fundamental 3-D Seismic Survey Design

Stuart Wright

Rocky Mountain Association of Geologists

... size and aperture size. Fast rocks have less stretching of far offset traces due to normal moveout corrections than slow ones. Therefore, the range...

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... Normal Moveout Correction and Mute Long Gate (2 sec) Trace Equalization Stack Dip moveout (DMO) has not been applied for testing purposes to avoid...

New constraints on buried Triassic basins and regional implications for subsurface CO2 storage from the SeisData6 seismic profile across the Southeast Georgia coastal plain

Olusoga M. Akintunde, Camelia C. Knapp, James H. Knapp, David M. Heffner

Environmental Geosciences (DEG)

... and improved processing techniques such as line geometry, residual statics correction, true amplitude recovery, velocity analysis and normal moveout...

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...., 1984, Dip moveout by Fourier transform: Geophysics, 49, 741–757. Kim, Y. C., and Gonzalez, R., 1991, Migration velocity analysis with the Kirchhoff...

Passive Margins: Eroded Carbonate Platform Margin--The Blake Escarpment off Southeastern United States

William P. Dillon, Anne M. Trehu, Page C. Valentine, and Mahlon M. Ball

AAPG Special Volumes

... recovery, spherical divergence correction, predictive deconvolution, veloci y analysis at 3-km intervals, normal-moveout correction, 48-fold common-depth...

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... derive velocity model from the recorded traveltimes. Results from normal moveout (NMO) velocity analysis can be useful when we are dealing with simple...