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The AAPG/Datapages Combined Publications Database
Showing 6,038 Results. Searched 200,357 documents.
Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)
Hassan Khaniani and John C. Bancroft
Search and Discovery.com
... The relationship between reflection and diffraction traveltime surfaces in the shot records is that the response of the scatter points (diffraction curves...
2015
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)
...Application of finite difference eikonal solver for traveltime computation in forward modeling and migration Amir Mustaqim Majdi, Seyed Yaser...
2021
Stop Treating Diffractions as Noise Use them for Imaging of Fractures and Karst; #120057 (2012)
Mark Grasmueck, Tijmen Jan Moser, and Michael A. Pelissier
Search and Discovery.com
... of the few diffraction friendly processes is 3D migration: Energy is summed along diffraction traveltime curves. Such a new seismic imaging approach...
2012
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
...Revealing the discontinuities by 3D prestack diffraction separation and imaging Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin Revealing...
2022
Seismic diffraction imaging for improved coal structure detection in complex geological environments
Binzhong Zhou, Weijia Sun
Petroleum Exploration Society of Australia (PESA)
...-offset traveltime based diffraction enhancement and imaging: Geophysical Prospecting, 61, 1178–1193. Alonaizi, F, R. Pevzner, A. Bóna, and M. Alshamry...
2018
Use of the Regulated Directional Reception Method in Exploration for Reefs in Bashkiria
Yu. N. Voskresenskiy, Ya. I. Shul’ts
Petroleum Geology: A Digest of Russian Literature
... of the section by summation without construction of traveltime curves has been put into practice. The possibility and necessity of such constructions where...
1961
Traveltime tomography and efficient physics-informed Bayesian inversion
Tian Qiao, George Turkiyah, Gerard T. Schuster
International Meeting for Applied Geoscience and Energy (IMAGE)
...Traveltime tomography and efficient physics-informed Bayesian inversion Tian Qiao, George Turkiyah, Gerard T. Schuster Traveltime tomography and ef...
2022
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
... inversion uses actual pre-stack CMP gathers in the time domain to correlate with the modelled traveltime curves whereas stacking velocity inversion...
2000
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
... traveltime curves, whereas stacking velocity inversion conelates the modelled raypath with a hyperbolic traveltime curve implied by the stacking velocity...
1999
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
... based on the sum of diffraction curves which in principle is the same as diffraction addition migration. However, in Kirchoff's migration...
2019
Diffraction separation based on envelop and optimized stacking
Wentao Mu, Weiyi Zhang, Jianlei Zhang, Zhenping Tian
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 3D diffraction imaging with Kirchhoff time migration using vertical-traveltime-difference gathers: Geophysics, 84, no. 6, S555–S566, doi: https...
2024
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
Premigration attenuation analysis and mapping to image domain by weighted migrations
Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan
International Meeting for Applied Geoscience and Energy (IMAGE)
... of frequency over the range of seismic frequencies (e.g., Aki and Richards, 2002, page 172; Liu et al., 1976; Kjartansson, E., 1979). The traveltime can...
2022
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...
Unknown
Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps
John C. Bancroft
Search and Discovery.com
...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...
Unknown
Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)
FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN
AAPG Bulletin
... parameters (gamma ray, neutron porosity index, sonic traveltime, and bulk density) calibrated by rock samples from gas wells in the Paris basin...
1990
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: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)
Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev
Search and Discovery.com
...Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014) Marianne Rauch...
2014
Analysis of Interlayer Mixtures of Three Clay Mineral Types by X-ray Diffraction
Edward C. Jonas, Thomas E. Brown
Journal of Sedimentary Research (SEPM)
...------------------------- FIG. 1: d, e, f. Curves of the Brown and MacEwan function plotted against apparent X-ray diffraction spacing, d, for interlayer mixtures of: d: 10...
1959
Quantitative Mineralogical Analysis of Carbonate Sediments: Comparison of X-ray Diffraction and Electron Probe Microanalyzer Methods: NOTES
Jon N. Weber
Journal of Sedimentary Research (SEPM)
... separation of the curves responsible for the bimodal diffraction maximum. This method provides HMC to LMC ratios much greater than those reported...
1968
Structure of the Chokrak Sediments of the Inchkhe-More Oil Area
M. B. Kheirov, N. Yu. Khalilov
Petroleum Geology: A Digest of Russian Literature
... (002) = 3.56-3.57A are well defined and symmetrical; this indicates a high degree of crystallinity. See Figs. 1 and 2. Figure 1. Diffraction curves...
1977
High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs
Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser
Unconventional Resources Technology Conference (URTEC)
... in the velocity model, and stored on disk as traveltime tables for subsequent use in forming the image. Kirchhoff Diffraction Imaging The idea behind...
2015
Multifocusing 3-D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs
Alana Schoepp, Evgeny Landa, Stephane Labonte
Unconventional Resources Technology Conference (URTEC)
... Multifocusing Method which consists of an optimal summation of seismic data along in diffraction traveltime trajectories (Berkovitch et al., 2009...
2014
Rapid Determination of Calcite-Dolomite Ratios in Sedimentary Rocks: NOTES
J. N. Weber, F. G. Smith
Journal of Sedimentary Research (SEPM)
... of diffraction of standard samples are determined either by summation of gamma counts over the angular extent of the curves, with a correction...
1961
Error in X-Ray Diffraction Estimates of Dolomite in Carbonate Rocks--Causes and Cures: ABSTRACT
David N. Lumsden
AAPG Bulletin
...Error in X-Ray Diffraction Estimates of Dolomite in Carbonate Rocks--Causes and Cures: ABSTRACT David N. Lumsden 1979 488 488 63 3. (March) Three...
1979