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The AAPG/Datapages Combined Publications Database
Showing 1,097 Results. Searched 200,357 documents.
Improve Kirchhoff depth imaging using full-wave-equation traveltimes
Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern
International Meeting for Applied Geoscience and Energy (IMAGE)
... and efficiency in generating Surface-Offset-binned common imaging Gathers (SOGs). However, traditional ray-based traveltime computation becomes less...
2023
Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)
Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... the traveltime relations with a constant background velocity. With a constant background velocity, source-rays and receiver-rays are straight...
2014
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... by nonlinear traveltime tomography that accounts for topography, and resolves lateral and vertical velocity variations. (2) Several different strategies...
2015
CMP domain near-surface velocity model building based on deep learning
Yihao Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is an essential step. Accurate near-surface velocity model helps to improve static correction and deeper structure imaging. First arrival traveltime...
2022
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
3-D High-Resolution Reservoir Characterization from Crosswell Seismic Data
John Washbourne, Kenneth Bube
West Texas Geological Society
... interpolation. Bube, K. P., and Langan, R.T., 1994, A continuation approach to regularized traveltime tomography: 64th Ann. Intl. Mtg., Society Exploration...
1998
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
Joint inversion of first-break and early-arrival wave for near surface imaging
Yiming Pan, Kai Zhang, Yipeng Xu, Hailin Wang, Ping Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... modeling is one of the most challenging problems in seismic exploration. First-arrival traveltime tomography exhibits low dependency on the initial model...
2024
ABSTRACT: Reflection Seismology in Azimuthally Anisotropic Media, by Leon Thomsen; #91038 (2010)
Search and Discovery.com
2010
Ocean Margin Drilling Project Data Synthesis off Eastern North America: 34° to 41°N Latitude: ABSTRACT
P. D. Rabinowitz, J. I. Ewing
AAPG Bulletin
... (reflector X). Isopach maps between these reflectors and between them and the sea floor are also included. Contours are two-way traveltime...
1983
ABSTRACT: 2D/3D Modeling of the Pacific Lower Mantle Using S, SKS and SKKS Traveltimes and Amplitudes; #90113 (2010)
Yang Zhang and Jeroen Ritsema
Search and Discovery.com
... of the traveltime differences is detected between SKKS and SKS and between S and SKS. Combined, these observations suggest that S, SKS, and SKKS interact...
2009
ABSTRACT: Multi Focusing Stack Technique for Subsurface Imaging; #90118 (2011)
Sunjay Sunjay
Search and Discovery.com
... mandatory in areas of complex geology— because it accounts for traveltime nonhyperbolic moveout, it has, in fact, quite a limited purpose—to convert...
2011
Tomographic Velocity Images by Artificial Neural Networks
Search and Discovery.com
N/A
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)
... by simultaneously minimizing the traveltime errors of both reflection and refraction data. Refraction waves mainly propagate laterally and thus provide...
2022
ABSTRACT: Marine Crustal Reflection Profiling Offshore Santa Maria Basin Westward to Base of Continental Slope, by Anne S. Meltzer and Alan R. Levander; #91035 (2010)
Search and Discovery.com
2010
ABSTRACT: Interpretation of Continuous-Offset Seismic Data in Central California Margin, by Nathaniel E. Putzig and Alan R. Levander; #91035 (2010)
Search and Discovery.com
2010
Abstract: Seismic Monitoring of a Steamflood at South Casper Creek Oil Field, Wyoming, by P. Johnston, D-S. Lee, F. Martens, and N. Wachi; #91009 (1991)
Search and Discovery.com
1991
Abstract: Determining Amounts Of Methane Hydrate And Free Gas From Seismic Studies, Blake Ridge, Offshore South Carolina, by M. Kloska and W. S. Holbrook; #90928 (1999).
Search and Discovery.com
1999
ABSTRACT: 3-D Seismic Expression of High-Frequency Sequence Stratigraphy in Vermilion Block 50-Tiger Shoal Area, Offshore Louisiana, by Hongliu Zeng, Tucker F. Hentz, and Lesli J. Wood; #90906(2001)
Search and Discovery.com
2001
Core-Seismic Correlation and Sequence Stratigraphy at IODP Expedition 317 Drillsites, Canterbury Basin, New Zealand
Search and Discovery.com
N/A
Abstract: Migrating Reflections from the Moho Using a Refraction Velocity Model An Example from the Slave Craton, NWT; #90211 (2015)
Joaquin Aristimuno and Claire Samson
Search and Discovery.com
... traveltimes. Traveltime inversion of the wide-angle reflections and refrac tions recorded during refraction surveys, on the other hand, can provide...
2015
Abstract: Target-Oriented Imaging for Continous Seismic Reservoir Monitoring; #90319 (2018)
Hongwei Liu, Mustafa Al-Ali
Search and Discovery.com
... use the NMO velocity defined at the target horizon to derive the initial operators. The principle of equal-traveltime affirms that the traveltimes...
2018
Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... a constant traveltime difference between the specular reflection traveltime and the computed traveltime from the recorded trace to the image trace...
2014
Abstract: Advantages and Disadvantages of Array Depth Placement and Longer Toolstring Apertures; #90187 (2014)
N. Verkhovtseva and J. Shaffner
Search and Discovery.com
... with 12m interconnectors is shown to be set above the zone of interest. Traveltime residual contours of 0.2ms intervals as well as Monte-Carlo solutions...
2014
Accelerated Kirchhoff depth migration on CPU-GPU heterogeneous computing systems
Yujin Liu, Hongwei Liu, Yi He, Fuhao Qin, Yue Du
International Meeting for Applied Geoscience and Energy (IMAGE)
... be regarded as two traveltime tables or traveltime volumes. There are many different implementations of Kirchhoff depth migration, but they usually have...
2022