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The AAPG/Datapages Combined Publications Database
Showing 1,098 Results. Searched 200,691 documents.
Automated velocity modeling with domain transformations
Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... International, 191, no. 1, 325–345, doi: https://doi.org/10.1111/j.1365-246X.2012.05633.x. Diebold, J. B., and P. L. Stoffa, 1981, The traveltime equation...
2024
Velocity model building from 3D surface seismic data at the Utah FORGE EGS site
Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
...). The model size for traveltime tomography is 5.5 × 4.48 × 2 km3. We use 200 shots (among total 1,106 shots) and 1,741 receivers. We update Pwave velocity...
2024
Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion
Md Iftekhar Alam, Salman Abbasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the bulk properties including the pore fluids, cannot be estimated through surface wave analysis. VP and VS derived from traveltime inversions were used...
2024
Application of generalized radon transform migration to crosswell seismic geometry
Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... in traveltime residuals was observed after this step (Figure 1). Some short wavelength residuals in the zero depth offsets in the tomography calibrated...
2024
Velocity and Velocity
M. Al-Chalabi
Petroleum Exploration Society of Australia (PESA)
... that estimate, we need to acquire data over our area. We would, typically, shoot a seismic survey. The acquired seismic data comes in the form of traveltime...
2000
Hybrid Domain Parallel Algorithm for 3D Kirchhoff Prestack Depth Migration; #10928 (2017)
Changhai Zhao, Jianlei Zhang, Guoan Luo, Quanshun Cui, Chengxiang Wang
Search and Discovery.com
... of traveltime tables for prestack depth migration: presented at the SEG Technical Program, Expanded Abstracts. Alkhalifah, T., 2006, The many benefits...
2017
Secondary Migration of Petroleum Along Syncline Axis: A Case Study of the Southern Kuqa Foreland Basin and Their Significance in Petroleum Geology, #11060 (2018).
Jun Cai, Xiuxiang Lu
Search and Discovery.com
... to Quaternary strata; TWT " two-way traveltime. Figure 5. Illterpreled se ismic sections through the Yaha Paleo-uplift showing its structural features...
2018
Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska
M. W. Lee, T. S. Collett, T. L. Inks
AAPG Special Volumes
...) using seismic amplitude and two-way traveltime thickness (hereafter referred to as time thickness) data. Detailed seismic data interpretation...
2009
Rhone Deep-Sea Fan: Morphostructure and Growth Pattern
L. Droz, G. Bellaiche
AAPG Bulletin
... traveltime) (Figure 10), are characterized both by their morphology and their acoustic characteristics (Figure 12). They display the chaotic facies...
1985
Use of Seismic Surveying for Exploration of Oil and Gas Fields in the Fergana Valley
B. S. Vol’vovskiy, I. S. Vol’vovsky, B. B. Tal’-Virskiy
Petroleum Geology: A Digest of Russian Literature
.... The most complete seismic section is in the center of the Fergana. Here on the traveltime curves are recorded several sections with apparent velocities...
1960
Forensic GPR anti-human landmine accurate detection by Gramian constrained joint inversion of the monostatic reflection and transmission radargrams
Jide Nosakare Ogunbo, Changsoo Shin, Sang-Wook Kim, Sang-Hyun Kim
International Meeting for Applied Geoscience and Energy (IMAGE)
... traveltime and frequency-domain airborne electromagnetic data for hydrocarbon exploration: Geophysics, 83, no. 2, U9–U22, doi: https://doi.org...
2022
Exploring the horizontal component of OBN surveys for added value to imaging
Samara Omar, Jim Simmons, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
... written in Seismic Unix (Stockwell Jr, 1999) by Liu (1993)) was used to compute source- and receiver-side traveltime tables used as inputs to the Kirchhoff...
2023
S-wave velocity model building using PP-PS tomography with dynamic warping
Terence Krishnasamy, Ronaldo Florendo, Aravind Nangarla, Carsten Udengaard, Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 2001, PP- and PS-traveltime reflection anisotropic tomography on a case study: 63rd Annual International Conference and Exhibition, EAGE, doi: https...
2023
Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study
Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki
Indonesian Petroleum Association
... and curvature of reflection surface. In this way, CRS offers improved signal-to-noise ratio of data significantly. In 2D situation, CRS traveltime can...
2011
The impact of seismic nodes on enhancing subsurface imaging for mining A case study over the Tamarack Nickel field
Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert
International Meeting for Applied Geoscience and Energy (IMAGE)
.... First arrivals are picked on all shots generating 3,903,425 first breaks (Figure 5). These are input to non-linear, first-arrival tomographic traveltime...
2024
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
...Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data Harmita...
2019
Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani
Indonesian Petroleum Association
... and the crosscorrelation coefficient between recorded data and synthetic data as a weight function in the gradient computation to promote traveltime measurements...
2021
Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir
Carmen C. Dumitrescu, Larry Lines
AAPG Special Volumes
... results are based on the traveltime measurements on the vertical and radial components of the multicomponent records. In Figure 9B, the Vp/Vs results...
2013
Paleocene to Eocene deep-water slope canyons, western Gulf of Mexico: Further insights for the provenance of deep-water offshore Wilcox Group plays
Angela McDonnell, Robert G. Loucks, William E. Galloway
AAPG Bulletin
...-Services in 2004. The newly reprocessed data have excellent data quality, imaging clearly to 8-s two-way traveltime (10,500 m, 35,000 ft). Previously...
2008
New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata
Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola
AAPG Bulletin
... surfaces.INSTANTANEOUS ISOCHRONThe change in seismic traveltime over the horizon interval defines the instantaneous isochron attribute (Figure 2c). Equating...
2009
The response of turbidite slope channels to growth-induced seabed topography
Mike Mayall, Lidia Lonergan, Andrew Bowman, Stephen James, Keith Mills, Tim Primmer, Dave Pope, Louise Rogers, Roxanne Skeene
AAPG Bulletin
... have been used for this study. Data-set bin sizes were generally in a range from 12.5 to 25 m (41 to 82 ft) with sample rates of 4-ms two-way traveltime...
2010
Growth and demise of a Paleocene isolated carbonate platform, northwest Sirte Basin, Libya: Sequence stratigraphic architecture and controlling factors
Muneer Abdalla, Wan Yang, and Salah Shaniba
AAPG Bulletin
... bounded by unconformable sequence boundaries. Those seismic sequences are ∼450–550 m thick in two-way traveltime and have an aerial extension of at least...
2023
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
... segments which are here the focus, is incomplete/incorrect re the familiar Fermat/Snell ray theory premises [-> FS-rays]. The traveltime expression tON = tOE...
2013
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
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... wave equation takes the form u(x, ) A(x)eiT (x ) , (2) where A(x) and T(x) are the amplitude and traveltime along the ray. The former is in turn...
2014