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The AAPG/Datapages Combined Publications Database

Showing 547 Results. Searched 200,673 documents.

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Abstract: Seismic Study of a Possible Eroded Impact Structure, Southern Alberta; #90224 (2015)

Wei Xie and Douglas R. Schmitt

Search and Discovery.com

... Deconvolution (Different window length) CMP Binning/ Initial Velocity Analysis /NMO Correction Residual Statics Corrections Surface Consistent Spiking...

2015

Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)

David Gray, Seann Day, and Scott Shapper

Search and Discovery.com

... introduce significant time distortions that are not adequately corrected with typical NMO velocities. Gathers should be examined for evidence of anisotropy...

2014

Integrated Seismic Processing Challenges in Karstified Terrain of Papua New Guinea Fold Belt, #42521 (2020).

Subhash Chandra, Michael Szczepaniak, Patrick Haltmeier,

Search and Discovery.com

... that are of reasonable quality in many areas of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO...

2020

Characterizing seismic anisotropy and AVO using walkaway VSP: Willow oilfield, Alaska

Manish Lal Khaitan, Ali Sayed, Shujaat Ali, Trey Wagner, Jonathan Scorer, Brett Wendt

International Meeting for Applied Geoscience and Energy (IMAGE)

... energy was flattened by transforming the data into the normal moveout (NMO) domain. In the NMO domain a Frequency-Wavenumber (FK) filter was used...

2022

Practical Applications of Amplitude-vs-Offset Analysis in Expanded Yegua Exploration

James L. Allen

Houston Geological Society

... Near offset vs Far offset Maintaining true amplitude at all offsets Compensation for spherical divergence NMO Stretch Multiples "Good...

1989

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

...) Figure 10. Reflection Coefficient model - Lembak Figures 11a and 11b show CDP-ordered, NMO-corrected gathers from SP 2036 (tight facies) and SP 2066...

1986

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

... and shows the reflections from the top and bottom of the reef crossing at an offset of 10,500 feet. The same CMP record has been NMO corrected with 3...

1986

Wide-angle AVO-inversion using constant P-traces: AVP-inversion

Dennis Cooke

International Meeting for Applied Geoscience and Energy (IMAGE)

... of higher-angle reflections, and • When those high-angle reflections are present, migrated offset gathers can have residual normal moveout (NMO). • NMO...

2022

Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study

Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki

Indonesian Petroleum Association

... normal moveout (NMO) or dip moveout (DMO). We, however, commonly observe conflicting dipping events on zero-offset section. A conventional CRS stack...

2011

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... domain PSTM (straight rays, bent rays and anisotropic) 4th order NMO picking and application HTI anisotropic residual NMO analysis and compensation...

2014

Refraction multiple attenuation by pattern-based machine learning with a case study

Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... amplitude compensation; 8. NMO velocity analysis. 9. NMO-CMP stack. After preprocessing, we first apply pattern-based neural network to attenuate P-wave...

2024

Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)

Yexin Liu

Search and Discovery.com

... transverse isotropy (VTI) because the layered shale is typically horizontal with vertical symmetry. Usually VTI can be estimated via higher-order NMO...

2015

Abstract: Analysis Of Surface Seismic Multi Wave Modes (Pp, P-Sv And Sv-Sv) And Simultaneous 3d 3c Vsp: A Winning Pair; #90254 (2016)

Michel Denis, Laurence Nicoletis, Philippe Feugere, Eric Suaudeau

Search and Discovery.com

... it converts back into P mode in the WZ. The SV-SV mode is also present on surface seismic and NMO corrected gathers with SV velocity show coherent events...

2016

Abstract: Application of AVO and Spectral Decomposition for Derisking Paleogene Hydrocarbon Traps in the UK North Sea; #90255 (2017)

Nick Loizou

Search and Discovery.com

..., with all the data NMO-corrected. Stack data of near, middle and far offsets were generated to analyse the relative seismic amplitudes in each offset...

2017

Abstract: Integration Study of Petrophysics and Pre-Stack Seismic Inversion in Reservoir Characterization for the Zubair Formation in Central Iraq;

Chao Xu, Chunqiang Chen, Jixin Deng, Tao Yang, Zhongrong Mi, Jianhua Qu, Hua Bai, Chunshu Luo, Hong Yang, Yugang Hong

Search and Discovery.com

... was conducted. Preconditioning processing including noise filtering and residual NMO was conducted on the prestack seismic gathers. A lowfrequency impedance...

Unknown

Abstract: Converted Wave Processing to Reveal Signal of Highly Noisy Single Sensor Data; #91204 (2023)

Victor Dolgov, Bahaaeldin Kamel

Search and Discovery.com

.... In the second step, we wanted to apply this approach to see if it would work for PS data. Unfortunately, supergrouping methodology requires NMO...

2023

Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach

Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha

Indonesian Petroleum Association

.... It presents several advantages when compared to conventional stacking methods such as NMO/DMO stack; firstly it uses a traveltime moveout formula...

2008

AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)

Mohammad Ali Riahi, Mohammad Emami Niri

Geological Society of Malaysia (GSM)

... of interest on each NMO-corrected CMP gather across the data set. Plotting of these attributes reveal an AVO anomaly at about 635 ms TWT, which...

2006

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... this should be the case in a flat stratified earth. Velocity perpendicular to bedding should be a bit slower than that parallel to bedding. NMO...

2013

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... 1a portrays a reflectivity model used to test our algorithm. Figure 1b is the image obtained by NMO followed by stacking the gathers produced...

2014

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