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The AAPG/Datapages Combined Publications Database

Showing 19,417 Results. Searched 200,635 documents.

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Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the Marchenko-based and adaptive matching approaches. Figure 5 shows common image-point (CIP) gathers before, after and the estimated internal multiples during...

2023

Facies-based inversion through integrating elastic full-waveform inversion and high-frequency imaging data

David Tang, Valeriy Brytik, Olivier Burtz, Young Ho Cha, Partha Routh, Ratnanabha Sain, Jay Barr, Dez Chu, Michael Gutierrez, Jeffrey Sitgreaves, Jacob Utley, Guy Medema, Alison Scribner

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion (eFWI), the elastic parameters (i.e., Vp, VpVs, IP) are estimated directly from the shot gathers without the need to form angle stacks (Figure...

2022

Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale

Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... migrate our seis mic data by a new binning approach that sort the data by azimuth. We calculate A VO gradient fro m prestack gathers for each azimuth bin...

2013

Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging

Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones

Indonesian Petroleum Association

... offsets, and secondly, this noise can contaminate the final image, making interpretation difficult, thereby reducing the value of the seismic data. Our...

2019

Optimizing Subsurface Predictions with Limited Capital Investment, #42074 (2017).

Peter Bauman, Chris Barton, Torr Haglund

Search and Discovery.com

..., to increase the fold and create the common depth point gathers more suited to pre-stack time migration (PSTM). With nominal costs and time associated...

2017

An acoustic wave equation with the gradients of velocity and density

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... where the events occur in the subsurface, thus generating an image of the subsurface. State-of-the-art imaging technologies, such as reverse-time...

2023

Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration

Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux

Indonesian Petroleum Association

... volume. The RTPSDM is applied to consecutive shot gathers and their image volumes are spatially summed to produce the final pre-stack depth image...

2008

Amplitude enhancement of far-offset refractions via machine learning

Lurun Su, Han Wang, Jie Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... analysis and time-depth calculation. To image the near surface and crustal velocity structures, seismic refraction traveltime inversion and tomography...

2022

Fresnel criteria for 5D survey design: A proof of concept decimation test

Michael Hons, Dave Simmons, Sean Contenti, Yong Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the decimated final image does not show footprint or character that might be predicted from the irregular CMP fold map. The results suggest that given current...

2022

Reservoir Properties Inferred from Seismic Response in Areas with Minimal Log Control: Fractured Reservoirs: Origin, Description, Evaluation

J. D. Loren, J. T. Kulha, K. S. Renbarger, R. M. Sneider

AAPG Special Volumes

... the modeled well site with the theoretical AVO response. The field gathers range in offset from 1,220 to 4,878 meters (4,000 to 16,000 feet...

1991

Unconventional Reservoir Characterization Using Azimuthal Seismic Diffraction Imaging

Dmitrii Merzlikin, Sergey Fomel, Xinming Wu, Mason Phillips

Unconventional Resources Technology Conference (URTEC)

... image gathers: Geophysics, 76, S1–S13. Kozlov, E., N. Barasky, E. Korolev, A. Antonenko, and E. Koshchuk, 2004, Imaging scattering objects masked...

2017

Seismic diffraction imaging for improved coal structure detection in complex geological environments

Binzhong Zhou, Weijia Sun

Petroleum Exploration Society of Australia (PESA)

... and defocusing approach (Khaidukov et al., 2004; Berkovitch et al., 2009; Landa et al., 2010); dip angle domain common imaging gathers (Sava and Fomel...

2018

Illuminating Asset Value at Mad Dog through New Seismic Technology

Michael J. Staines, Scott Michell, Dean Chergotis, and John Sharp

GCAGS Transactions

... The ability to reduce risk and uncertainty across the full life cycle of an asset is directly correlated to creating an accurate subsurface image...

2008

Integrating legacy data with new towed-streamer acquisition tuned for imaging objectives: A Campos Basin case study

Jon Burren, Derek Unger

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Figure 4). S 10 km N 75⁰ mute applied -150 m/s +150 m/s Figure 3: Example stack (top) and butterfly image gathers (bottom) with FWI perturbation...

2022

Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data

Walt Ritchie and Mihai Popovici

Search and Discovery.com

... seismic image gathers were relatively insensitive to velocity change, compromising the ability to converge on a stable depth-interval velocity model...

2009

A Step Change in Seismic Imaging … Using a Unique Ghost Free Source and Receiver System; #41449 (2014)

Per Eivind Dhelie, Robert Sorley, Torben Hoy, David Lippett

Search and Discovery.com

...-free shot gathers have been produced the processing and imaging can be more or less similar to conventional processing – but care must be taken to avoid...

2014

Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI

ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello

International Meeting for Applied Geoscience and Energy (IMAGE)

... lines (b). The velocity updates are structurally consistent with the image and produce flat angle gathers computed with wave-equation migration...

2022

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)

... transform-based compression algorithm is illustrated in Fig. 1. During the compression stage, raw seismic gathers are translated into a designed...

2023

Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas

Osareni Ogiesoba, Alexander Klokov

Unconventional Resources Technology Conference (URTEC)

... and reflection image gathers: Geophysics, 76, S1–S13. and imaging, Part Kozlov, E., N. Barasky, E. Korolev, A. Antonenko, and E. Koshchuk, 2004, Imaging...

2016

Navigating full-waveform inversion success in Mexico with complex geology: Shallow-water and land case studies

Wei Kang, Federico Fenoglio, Liubov Mulisheva, Pavel Vasilyev, Luxin Zhang, Abdalla Abouelela, Xin Cheng, Denes Vigh, Silvino Dominguez Garcia, Alejandro Cabrales, Alfredo Vazquez Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-gathers as shown in Figure 5. The proposed approach was implemented across the entire project spanning over 5000 km2 and improved the regional image...

2024

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

...Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM Gene Skeith, Peter...

2008

3D Velocity Model Building and Seismic Imaging Combining Tomography and Model Based Approaches in the Peniche Basin, #42302 (2018).

Olivier Clauss, Ylva Malmcrona Diaz-Ambrona,

Search and Discovery.com

... to reduce the uncertainty of the potential prospects. Pre-stack depth migration helps to improve the seismic image around complex targets with sharp...

2018

Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport

James McLeman, Tim Burgess, Tom Rayment, Victor Chua

International Meeting for Applied Geoscience and Energy (IMAGE)

... but through a shallower water-bottom section. As is hinted at by the stack results, the image gathers show considerable move-out through the deeper...

2022

South Timbalier 315 #1

Brian Rader

Houston Geological Society

... at prospect. Review of PSTM gathers predrilled showed positive AVO (final full stack volume unavailable until after spud). Greatest Geologic Risk Reservoir...

2003

Offshore Colombia: Discovering New Value in Legacy Data Using Modern Workflows

Kyle Reuber, Antara Goswami, Darren Judd, Shihong Chi, ION

GEO ExPro Magazine

... (Figure 3a). This vintage seismic profi le illustrates the exploration challenges associated with using legacy data that lacked a high quality image...

2021

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