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The AAPG/Datapages Combined Publications Database

Showing 493 Results. Searched 195,387 documents.

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Abstract: Efficient Supergrouping Approach for Enhancement of High-Channel Count and Single Sensor Seismic Data; #90319 (2018)

Maxim Dmitriev, Andrey Bakulin, Pavel Golikov

Search and Discovery.com

... for intra-array statics and wavelet variation. We demonstrate noise-removing properties of such generalized supergroups with NMO corrections...

2018

Abstract: Target-Oriented Imaging for Continous Seismic Reservoir Monitoring; #90319 (2018)

Hongwei Liu, Mustafa Al-Ali

Search and Discovery.com

... use the NMO velocity defined at the target horizon to derive the initial operators. The principle of equal-traveltime affirms that the traveltimes...

2018

Azimuthal Anisotropy „ A New Interactive Approach Leads to More Accurate Imaging

Graeme Eastwood

Petroleum Exploration Society of Australia (PESA)

... ly dependent NMO ellipse is azimuthal an isotropy, or by performing a pre• We have developed an interactive techn ique to defined by phi...

2012

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

.... Complicating this are residual statics, imperfect normal-moveout (NMO) correction, non-uniformly spaced traces, the need to preserve multiples (so...

2013

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

.... Complicating this are residual statics, imperfect normal-moveout (NMO) correction, non-uniformly spaced traces, the need to preserve multiples (so...

2013

Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... is the application of a simplified Kirchhoff migration on the CSP, that consists of scaling, filtering, normal moveout (NMO) and stacking. CSP gathers...

2014

Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)

Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand

Search and Discovery.com

... be corrected (Figure 1b) using the azimuthal NMO equation (Contreras et al., 1999): t 0  zero offset time (sec) 2 t 2  t0   cos 2     sin 2...

2014

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

David Gray

Search and Discovery.com

... 3D visualization software, as is shown in Figure 1. It is used for quality control of azimuthal processes, such as azimuthal NMO and azimuthal AVO...

2015

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...

2018

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... particularly when seismic data has poor signal-to-noise ratio (SNR) with complex geologic settings where no clear reflector is present. Considering...

2022

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...

1986

Pie in the Sky?

Ed Hagar

GEO ExPro Magazine

... from low channel analog recording systems to high-channel count digital systems with low-noise streamers. Processing houses have taken us from NMO stack...

2019

Distribution of Nubian Sandstone Formation in Sudan and Vicinity: GEOLOGIC NOTES

J. R. Vail

AAPG Bulletin

... dip in small exposures where the topset beds are absent. However, in most areas the deposits are flat or gently dipping. The sands are also ripple...

1974

Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis

Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer

Journal of Sedimentary Research (SEPM)

... a strip of the replicating tape used in electron microscopy. The replicas were peeled off after drying, ironed flat if necessary, and mounted between...

1991

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

... autostaticsVelocity analysis and NMO correction 1 mi grid3-D SC autostatics Shot Domain Noise Reduction—Air Blast/Surface Wave AttenuationResidual statics QCSurf...

2014

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

.... Afterwards, NMO velocity can be obtain via velocity analysis according to the criterion of flattening the reflections. The velocity spectrum, picked NMO...

2013

Multi-Component Seismic (3C) Data Acquisition … A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)

K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta

Search and Discovery.com

... 4 and 5 intervals Well A. Figure 3A. PP gathers with NMO correction at well A. Figure 3B. PS gathers with NMO correction at well A. Figure 4A...

2011

Seismic Data Compression by Variational Autoencoder With Hyperprior

Shirui Wang, Wenyi Hu, Aria Abubakar, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

...y flat and sparse. Conclusion In this study, we present a novel deep learning-based method for compressing seismic data. Instead of using a singl...

2023

Abstract: Q Estimation by a Match-filter Method; #90174 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... indicator in conjunction with other observation such as flat spot, bright spots, and AVO anomalies. So, it will be very useful if the Q estimation method...

2014

Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-Receiver and Conventional Data, Bakken Formation, North Dakota; #41160 (2013)

Niranjan Banik, Antoun Salama, Adam Koesoemadinata, George El-Kaseeh, Mark Egan, and Alfonso Gonzalez

Search and Discovery.com

... the real data. Note that this mute was tight enough to prevent normal move-out (NMO) stretch from being a significant factor in the subsequent frequency...

2013

Abstract: Towards an Optimal Workflow for Azimuthal AVO; #90171 (2013)

David Gray and Shangxu Wang

Search and Discovery.com

... interpolation, compared to Bani in Figure 5, which is the same workflow without interpolation. Figure 3: Bani from NMO gathers. Figure 5: Bani from azimuthally...

2013

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