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The AAPG/Datapages Combined Publications Database
Showing 19,370 Results. Searched 200,293 documents.
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
-- no title --
user
Search and Discovery.com
... on the image gathers, and complex horizon geometries, automated velocity-model-building tools fail to produce an optimum velocity model for TTI...
Unknown
Diffraction separation based on envelop and optimized stacking
Wentao Mu, Weiyi Zhang, Jianlei Zhang, Zhenping Tian
International Meeting for Applied Geoscience and Energy (IMAGE)
... than specular reflections and thus are often obscured on conventional seismic image gathers. Many methods for diffraction separation and imaging have...
2024
-- no title --
user
Search and Discovery.com
... and effective anisotropy is based on direct optimization of the image gathers and image cube. With the inclusion of additional structural constraints...
Unknown
-- no title --
user
Search and Discovery.com
... and effective anisotropy is based on direct optimization of the image gathers and image cube. With the inclusion of additional structural constraints...
Unknown
Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).
Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan
Search and Discovery.com
... optimization of the image gathers and image cube. With the inclusion of additional structural constraints on the resultant interval velocity, meaningful...
2015
Wave Equation Shot Migration as a Ground Roll Filter.
Francisco Ortigosa, Pedro Muñoz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... is not a constraint for removing Ground Roll through Stack Array or filtering in that Domain. As a result, improved image quality seismic data can...
2008
Reservoirs Characterizing Based on Spectral Difference Anomaly at Lower-Frequency on Multi-Angle Stacking Gathers: Case Studies from China; #41256 (2013)
Xuehua Chen
Search and Discovery.com
...Reservoirs Characterizing Based on Spectral Difference Anomaly at Lower-Frequency on Multi-Angle Stacking Gathers: Case Studies from China; #41256...
2013
Spikes in Your Acquisition? How to Minimize their Impact through Field and Processing Techniques.
Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of shot gathers during a 2D seismic acquisition over a rough terrain in the Upper Magdalena Valley (UMV) of Colombia. The “spikes” are a type of noise...
2006
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... ([email protected]) Abstract Migrated common-image-gathers (CIG’s) are of central importance to prestack depth migration. They allow seismic velocity estimation...
2015
Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... to offset image gathers: Uτ(x) = ∫∫ Σ RG dxs dxr I am calling the set of all image traces Uτ for a set of binned values of τ the “differential...
2014
ABSTRACT: Qualitative and Quantitative Geophysical Data Integration for Better-Informed Decisions
Matthew Miller, Surender Manral
Geological Society of Trinidad & Tobago
...: geophysical integration, reverse time migration, VIP gathers, inversion, colored stack Integration of geophysical data throughout the entire lifecycle...
2022
Abstract: Reverse Time Migration: An Evolving Imaging Technology for Solving Difficult Geological Problems, by Zhang Yu; #90160 (2012)
Search and Discovery.com
2012
Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)
Young Seo Kim, Constantine Tsingas
Search and Discovery.com
...-azimuth gathers. The 3D common azimuth-angle image gathers were computed by using vector fields computed by optical flow methodology and the inverted...
2016
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... make high-resolution refinements to an incorrect velocity model. straight from field shot gathers to velocity, we first migrate the data and produce...
2023
A decoupled orthotropic anisotropy modeling method and its application
Wang Lei, Liang Jiandong, Xuan Ruiqing, Li Daoshan, Zhu Jinping, Hao Xiaoguang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the azimuthal imaging gathers from orthotropic migration is used to update the TTI anisotropic parameters at each azimuth, and elliptical fitting...
2023
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This kind of estimation can be implemented by picking coherent events in the migration common image gathers (CIG), which represent RMO quantitatively...
2024
ABSTRACT: Pre-Stack Depth Migration and the Imaging of Complex Structures in the Wyoming Thrust Belt
Richard Postma
Wyoming Geological Association
.... This should correctly image the shallow reflecting interfaces. These events should be flat on the depth migrated CMP gathers. If they are not flat...
2001
A New Approach to Seismic Interpretation in Challenging Imaging Environments, by C. Edward Helsing and David C. Berman; #90052 (2006)
Search and Discovery.com
2006
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... image, and pre-stack angle gathers, along with the derived relative density and impedance. These results provide valuable insights for conducting...
2023
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... was picked to refine the flatness of reflection events on the common image gathers. The final PSTM stacked section (Figure 4) was generated after...
2015
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
...-and-error method. This can cause difficulties in flattening the image gathers since γeff and χeff affect the intermediate- and far-offset data. I...
2015
Abstract: Correcting PS Receiver Statics using Hybrid Raypath Interferometry; #90172 (2014)
David C. Henley
Search and Discovery.com
...-correlations of raw traces to help image the data, or to remove various effects from the traces before imaging. A resurgence of interest in this broad field...
2014
Abstract: Tilted Orthorhombic Imaging for full Azimuth Towed Streamer Data in Deep Water Gulf of Mexico, by Yunfeng (Fred) Li; #90167 (2013)
Search and Discovery.com
2013
High Resolution, Super Efficient Wide Azimuth Beam Tomography for Velocity Model Building
Search and Discovery.com
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