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The AAPG/Datapages Combined Publications Database
Showing 16,598 Results. Searched 200,293 documents.
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset Jianming Zhang, Liangguo...
2023
Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)
Geoff Clark, Yilong Qin
Search and Discovery.com
... image quality and building good initial model for conventional FWI. Ray-based refraction/reflection tomography methods are commonly used to obtain long...
2016
Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography
Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
... Reflection-Refraction tomography Method The proposed JRR objective function aims to minimize the traveltime errors of both the first arrivals...
2022
A Dynamic Reflection Traveltime Calculation Method
Y. Wang, D.R. Schmitt
CSPG Special Publications
...A Dynamic Reflection Traveltime Calculation Method Y. Wang, D.R. Schmitt 1994 49 50...
1994
Finite-frequency transmission traveltime tomography in VTI media
Fei Luo, Lanlan Yan, Jiexiong Cai
International Meeting for Applied Geoscience and Energy (IMAGE)
...Finite-frequency transmission traveltime tomography in VTI media Fei Luo, Lanlan Yan, Jiexiong Cai Finite-frequency transmission traveltime...
2024
Abstract: High-Resolution Seismic Velocity Structure of the Shallow Porcupine Basin From Traveltime Tomography and Waveform Inversion of Long-Streamer Data; #90310 (2017)
Manel Prada, François Lavoué, Brian O'Reilly, Sergei Lebedev, Yanhua Yuan, Clàudia Gras
Search and Discovery.com
...Abstract: High-Resolution Seismic Velocity Structure of the Shallow Porcupine Basin From Traveltime Tomography and Waveform Inversion of Long...
2017
Application of Fullwaveform Tomography to VSP Walkaway Data
Eric Takam Takougang, Youcef Bouzidi
Petroleum Exploration Society of Australia (PESA)
... words: waveform tomography, traveltime tomography, VSP walkaway INTRODUCTION Fullwaveform tomography is a qualitative and quantitative imaging technique...
2016
Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography
Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography Jianhua Wang, Jianming...
2024
Abstracts: Improved Near-surface Velocity Models from 2D Waveform Tomography of Vibroseis First-arrival Data; #90173 (2015)
Brendan R. Smithyman and Ronald M. Clowes
Search and Discovery.com
...Abstracts: Improved Near-surface Velocity Models from 2D Waveform Tomography of Vibroseis First-arrival Data; #90173 (2015) Brendan R. Smithyman...
2015
Refraction tomography at the Nova Ni-Cu mine
Ian James, Graeme Hird, Andrew Fitzpatrick
Petroleum Exploration Society of Australia (PESA)
..., A., Tryggvason, A., Wijns, C., Lindqvist, T., Skyttä, P., Koivisto, E., & Montonen, M., 2016, 3D traveltime tomography and reflection imaging for mine planning...
2019
First-Arrival Traveltime Inversion in the CMP Domain: Method and Application
Search and Discovery.com
... reflection profiles: Geophysical Prospecting, 38, 247-266. Stefani, J.P., 1995, Turning-ray tomography: Geophysics, 60, 1917-1929. Zhu, T., Cheadle...
2013
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
...Diving wave tomography: Velocity modelling using first arrival traveltime Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu Bulletin...
2022
Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)
Tianfei Zhu, Yan Yan, and Jon Downton
Search and Discovery.com
... be determined by combining first-arrival tomography with reflection tomography. Introduction Processing and imaging of reflection data from permafrost...
2015
Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)
Oluwafemi Ogunsuyi, Douglas R. Schmitt
Search and Discovery.com
... of a tomographic velocity model, the reprocessing of the reflection seismic and its corresponding depth migration using velocities derived from the traveltime...
2014
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
...; Deregowski, 1990; Liu, 1997) , traveltime inversion/reflection tomography (Bishop et al., 1985; Farra and Madariaga, 1988) and combination among both of them...
2009
Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia
Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton
Indonesian Petroleum Association
... accumulation. A significant improvement in imaging of the critical zone of interest was achieved through a process of iterative reflection tomography...
2012
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... difference method has better resolution than ray tracing method especially on deeper part of subsurface model. Keywords: Reflection, traveltime, forward...
2021
Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative
Ao Cai, Colin A. Zelt
International Meeting for Applied Geoscience and Energy (IMAGE)
... anomalies, whereas nonlinear traveltime tomography (TT) is known to be more sensitive to high velocity anomalies than low velocity anomalies because...
2022
Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data
Search and Discovery.com
.... Depth imaging is often necessary, and an accurate estimation of the macro-velocity model is essential. Waveform Tomography (i.e., traveltime...
2013
Key Technologies for Processing of Seismic Data in Gas Cloud Area
Search and Discovery.com
N/A
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... but this may introduce an error on the original near surface velocity layer. Furthermore, in a global reflection tomography scheme, the near surface...
2015
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
... attenuated traveltime tomography. Then, model-driven Q compensation is realized directly during depth migration. Conventional reflection tomography...
2017
Joint inversion of first-arrivals with full waveform inversion: improving the near-surface model for depth imaging the Marcellus shale of Bradford County, PA
Search and Discovery.com
N/A
High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study
Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc
Indonesian Petroleum Association
..., the initial starting model was derived from a smooth version of a reflection traveltime tomography velocity field derived from a depth migration workflow...
2014
Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions
Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity models; 2) Integrated tomography using both refraction and reflection data to improve the robustness of velocity model building...
2024