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The AAPG/Datapages Combined Publications Database
Showing 1,097 Results. Searched 200,293 documents.
ABSTRACT: Seismic Properties and Modeling of an Early Aalenian Salt(?) Layer in Baltimore Canyon Trough, Offshore New Jersey, by Ann B. Swift, Myung W. Lee, C. Wylie Poag, Warren F. Agena; #91003 (1990).
Search and Discovery.com
1990
Abstract: Velocity Model Building with Weighted Linearized Inversion A VSP Data Case Study; #90187 (2014)
Mingyu Zhang, Richard Kuzmiski, and Zhengsheng Yao
Search and Discovery.com
... there are errors in first arrival picking, linear least squares inversion is used as the tool to determine the velocity model assuming that errors have...
2014
Seismic applications of the Radon transform and a new second-order traveltime local transform
Ehsan Soleymani, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
...Seismic applications of the Radon transform and a new second-order traveltime local transform Ehsan Soleymani, Mauricio Sacchi Seismic applications...
2024
Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta
Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
...roved internal consistency and more accurate traveltime picking. We show that the depth and time registration of DAS recording from the CaMI site is consi...
2024
A shallow velocity model building using full-waveform inversion on 3D onshore dataset
Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model to minimize time difference of the first arrivals between field and synthetic data. At the second stage, we perform traveltime-oriented FWI...
2022
Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods
B. A. Hardage
AAPG Special Volumes
... by the velocity in that interval. That time adjustment is then added to the measured traveltime to each receiver. If the depth datum is below the shot depth...
1992
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
... a detailed velocity model of the lower crust and upper mantle. A new 2D velocity model under the SNORCLE profile has been deri ved from traveltime...
2015
Abstract: Imaging Sub-Volcanic Sediments From Wide-Angle Seismic Data In Selected Basins Of India; #90315 (2017)
Kalachand Sain
Search and Discovery.com
... provided a solution to this challenge by wide-angle seismic experiment, and delineated large-wavelength velocity structure in the Kutch, Saurashtra...
2017
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... determined from dip and strike event traveltime differences are in general similar to the models determined from the velocity ellipse. In addition, the cross...
2014
Abstract: Scanning Anisotropy Parameters in Inhomogeneous Media, by Tariq A. Alkhalifah; #90105 (2010)
Search and Discovery.com
2010
Abstracts: Locating Microseismicity in Three-Dimensionally Heterogeneous Reservoirs; #90173 (2015)
Adam M. Baig, Ted Urbancic, Margaret Seibel, Vladimir Shumila
Search and Discovery.com
... by lithological tops interpreted from seismic cross-sections. Figure 2: A depth view of wavefronts (blue curves) and traveltime field (blue-yellow contours...
2015
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
... volcanic rocks of the study area. Introduction Interpreted near-surface velocity models are presented from inversion of first-arrival traveltime...
2015
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
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... of the PSTM data. The result of the method will be an updated velocity in time that can be used in time to depth conversion. The accuracy...
2014
Refraction tomography at the Nova Ni-Cu mine
Ian James, Graeme Hird, Andrew Fitzpatrick
Petroleum Exploration Society of Australia (PESA)
... are applied to account for the near-surface variations in refractor velocity and depth. This was performed using several methodologies, from layer-based...
2019
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
.... A velocity model, beyond its initial purpose to obtain a seismic stack, is used for time and depth imaging, AVO analysis and inversion, pore pressure...
2015
Abstract: Monitoring Active Steam Injection through Time-lapse Seismic Refraction Surveys; #90174 (2014)
Byron M. Kelly and Don C. Lawton
Search and Discovery.com
... to that of 4D reflection profiles. Through reciprocal traveltime analysis, refraction profiles can delineate significant time-shifts within a monitor survey due...
2014
ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)
Search and Discovery.com
2010
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: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)
Liliana M. Zuleta and Don C. Lawton
Search and Discovery.com
..., 1959; Dufour, 1996) is useful for both depth and velocity determination. The basis of the plus-minus time analysis method lies in the traveltime...
2014
Abstract: Reflection-based Traveltime Inversion Using Segment Dynamic Image Warping; #91204 (2023)
Lu Liu
Search and Discovery.com
... reconstructs long-wavelength components of the velocity model and achieves a satisfactory depth-domain image for interpreting the geological structures...
2023
Seismic Refraction Data from Sunda Shelf
Robert E. Houtz , Dennis E. Hayes
AAPG Bulletin
... to develop velocity functions with least-squares linear regressions between layer velocity and the vertical one-way traveltime to the midpoint of the layer...
1984
Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps
Peter Japsen
AAPG Bulletin
... from seismic maps, when velocity information is available from several wells. Velocity is the key in the conversion from seismic traveltime to depth...
1993
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... related to shot and receiver positions on the surface of the earth, an elapsed time after the shot that originated the reflection or echo (traveltime...
1992
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... difficulties for conventional raybased reflection travel-time tomography. Figure 3 - Initial velocity and refraction energy penetration analysis (Depth...
2023