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The AAPG/Datapages Combined Publications Database
Showing 16,599 Results. Searched 200,357 documents.
Travel-time tomography for joint velocity and transducer location estimation
Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv
International Meeting for Applied Geoscience and Energy (IMAGE)
... of each transducer. We propose a double-difference traveltime tomography method that jointly solves for transducer locations and a velocity model...
2024
Efficient and accurate velocity building from Gramian-constrained multiphysics reflection and transmission data
Jide Nosakare Ogunbo
International Meeting for Applied Geoscience and Energy (IMAGE)
... the traveltime tomography or the FWI. With the assumption of a normal incidence wave propagation in a homogeneous and isotropic layers 1D velocity model...
2022
Extended full-waveform inversion to improve the subsalt imaging in GOM
Guojian Shan, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester
International Meeting for Applied Geoscience and Energy (IMAGE)
... for constructing velocity models and imaging (Shen, et al., 2017, Zhang, et al., 2018). FWI utilizes both diving waves and reflection energy, tackles the complex...
2024
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
...-frequency sensors, could potentially yield accurate, high-resolution velocity models when processed by Waveform Tomography (traveltime tomography followed...
2014
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... by tomography and other methods, and they allow the analysis of seismic amplitudes in moderately complex structures. Historically, CIG’s have usually...
2015
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... a primary reflection, then q is representative of traveltime discrepancy along the composite S & R ray path and can be included in a tomography...
2009
Abstract: What’s New in Seismic Imaging?
John T. Etgen
Houston Geological Society Bulletin
... to reflection events. We could find very long wavelength trends in the speed of wave propagation through traveltime tomography. Variations in wave speed...
2010
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
... Velocities from Seismic Reflection Traveltime Measurements,Soc.Expl.Geophysics. Jäger, R., 1999, The Common-Reflection-Surface Stack- Theory and Application...
2009
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
.... Reflection tomography and velocity model building in an area characterized by shallow gas. Offshore Technology Conference, 8817. The complex...
2000
High Resolution, Super Efficient Wide Azimuth Beam Tomography for Velocity Model Building
Search and Discovery.com
N/A
Abstract: Multi-layer Tomography and its Application for Improved Depth Imaging, by Patrice Guillaume, Steve Hollingworth, Xiaoming Zhang, Anthony Prescott, Richard Jupp, Gilles Lambaré, and Owen Pape; #90160 (2012)
Search and Discovery.com
2012
Volume-constrain first arrival tomography based near surface modeling and its application
Naijian Wang, Zhihui Yan, Qingpo Ma, Wei Wu, Yunfei Zu, Yonggui Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Yang, 2018, First arrival traveltime tomography with near surface model constraints, CPS/SEG, Beijing: Presented at the International Geophysical...
2022
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... first arrivals al large offsets. Also for that reason, before starting the processing sequence, an accurate transmission/reflection tomography...
2004
Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom
Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels
Environmental Geosciences (DEG)
.... 75–84, doi:10.4133/JEEG1.1.75. Zelt, C. A., A. Azaria, and A. Levander, 2006, 3D seismic refraction traveltime tomography at a groundwater...
2016
Estimate near-surface velocity with reversals using deep learning and full-waveform inversion
Yong Ma, Xu Ji, Weiguang He, Tong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Ma, Y., and D. Hale, 2013, Wave-equation reflection traveltime inversion with dynamic warping and full-waveform inversion: Geophysics, 78, no.6, R223...
2022
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... and reflection full waveform inversion (FWI), Q-tomography and Q-migrations (Q-RTM and Q-Kirchhoff PSDM). In combination with 3D deghosted input...
2022
Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry
Muhammad Awais, Sherif M. Hanafy, King Fahd
International Meeting for Applied Geoscience and Energy (IMAGE)
...Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry Muhammad Awais, Sherif M. Hanafy...
2022
ABSTRACT: Reflection Seismology in Azimuthally Anisotropic Media, by Leon Thomsen; #91038 (2010)
Search and Discovery.com
2010
Abstract: Reflection-based Traveltime Inversion Using Segment Dynamic Image Warping; #91204 (2023)
Lu Liu
Search and Discovery.com
...Abstract: Reflection-based Traveltime Inversion Using Segment Dynamic Image Warping; #91204 (2023) Lu Liu Reflection-based Traveltime Inversion Using...
2023
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... to estimate shallow velocity structure, (iii) Non-linear horizon based traveltime tomography to improve depth velocity model and (iv) time-dependent velocity...
2015
Accelerated deep learning-based estimation of wavefront dips and curvatures and their application to 3D prestack data enhancement
Kirill Gadylshin, Ilya Silvestrov, Andrey Bakulin
International Meeting for Applied Geoscience and Energy (IMAGE)
... quality of the results. Introduction Kinematic wavefront attributes form a foundation of many seismic data processing methods. The first-order traveltime...
2022
ABSTRACT: Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia; #90051 (2006)
Harald Granser, Oezsen Refik
Search and Discovery.com
...ABSTRACT: Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia; #90051 (2006) Harald Granser, Oezsen Refik...
Unknown
Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016)
Sergey Birdus
Search and Discovery.com
... velocity model. In our workflow, Refraction Tomography and FWI complement standard Reflection Tomography and the priority remains with the reflections...
2016
Multiscale insights into the Mount Weld REE deposit from 2D and 3D active seismic survey data
Thomas Bell, Greg Turner, Ganesh Bhat, Brad Knell
International Meeting for Applied Geoscience and Energy (IMAGE)
... refraction tomography and pre-stack time migration reflection workflows. Detection and delineation of zones of deeper bedrock Refraction seismic...
2023
Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia
Search and Discovery.com
N/A