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The AAPG/Datapages Combined Publications Database
Showing 767 Results. Searched 195,364 documents.
ABSTRACT: Time Extrapolation of the Double-Square-Root Equation: Prestack Exploding Reflector Modeling and Migration, by Alkhalifah, Tariq A.; Fomel, Sergey; #90141 (2012)
Search and Discovery.com
2012
Abstract: Advances in Seismic Data Acquisition; #90211 (2015)
David Monk
Search and Discovery.com
... that are recorded for each shot, and this trend shows no sign of diminishing. The changing face of the computing industry is likely to keep up...
2015
Abstract: Improved Subsurface Imaging through Reverse Time Migration: A Synthetic Case Study; #90255 (2017)
Pradeep Mahadasu
Search and Discovery.com
... modeling field and backward in time for the recorded receiver field for that shot. At each time step, the depth image is obtained by cross-correlating...
2017
Abstract: Detecting and Determining Bauxite Layer Depth by Using Multichannel Analyses of Surface Wave Method; #90254 (2016)
Saad Almalki, Majed Almalki, Abdurahman Alanezi, Abdulaziz AlMutairi
Search and Discovery.com
...-receiver offset. This offset was defined to form a common and certain offset range during the analysis, where the offset remains fixed for each shot...
2016
Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)
Young Seo Kim, Constantine Tsingas
Search and Discovery.com
... of forward and backward propagated wavefields. In addition to the modeling operator, the gradient vector and pseudo-Hessian, which are necessary...
2016
P-shooter--A Fast Seismic Source for Shallow Exploration: ABSTRACT
Gildas Omnes, Philippe Robert
AAPG Bulletin
... damages to a road surface. The whole system is mounted on the back of a 4 by 4 truck. The tower can be moved forward, backward, and to some extent...
1982
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
... because it requires consecutive forward and backward wavefield modeling. The classical way to perform forward, or backward, wavefield modeling uses...
2008
High-fidelity full-waveform imaging via impedance inversion
Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... signature excited at shot location and ( ; ; ) is the seismic data, i.e., the recorded pressure wavefield at receiver location . An imaging condition in terms...
2023
Exploration and Development based on RTH Technology and AI
Gennady Erokhin, Mariia Erokhina, Kirill Safran, Alexandre Iakovlev
Unconventional Resources Technology Conference (URTEC)
... Holography) method and well drilling data. RTH attributes are based on two-stage seismic data processing: on decomposition the initial common shot gathers...
2023
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... velocity partition. Figure 2: Left: An image the Marmousi data set using PSTS RTM. Right: The run time for migrating a shot record is 12 minutes...
2013
Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)
Charles Ursenbach, Yan Yan
Search and Discovery.com
... will assist us in seeing the best way forward at this point in seismic land exploration. Method In RTM, migration is performed on one shot gather...
2014
Data selection for velocity model estimation using a circular shot OBN survey
Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
...Data selection for velocity model estimation using a circular shot OBN survey Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe...
2023
ABSTRACT: Hierarchical Stacking Geometries of Genetic Sequences: Implications for Predicting Geometry and Distribution of Reservoir Facies Tracts, by Timothy A. Cross; #91038 (2010)
Search and Discovery.com
2010
Abstract: Reverse Time Migration of Prestack Elastic Data; #90224 (2015)
R. Ferner and M. D. Sacchi
Search and Discovery.com
... . Although the forward process is outlined, this algorithm can be run forwards or backward in time. Depicted is the second-order finite-difference stencil...
2015
Multiwell 3D DAS-VSP data acquisition for offshore exploration in the Middle East
Qingfeng Li, Gang Yu, Jilong Zhao, Dong Huang, Yangshuan Fan
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which in turn leads to a phase change in the photon backward Rayleigh scattering light, the seismic signal can be obtained through demodulation...
2023
Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)
Jianhua Pan
Search and Discovery.com
... limitations in terms of imaging complex structures. The standard shot profile one-way WEM images the subsurface by continuing the source and receiver...
2014
Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well
Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
... using a racetrack shooting pattern. Two source arrays of 5110 cu in. volume, positioned at a depth of 49.2 ft [15 m] below sea level, were shot...
2023
Abstract: Parasequence Sets, Parasequences, Facies Distributions, and Depositional History of the Upper Cretaceous Ferron Deltaic Clastic Wedge, Central Utah, by T. A. Ryer and P. B. Anderson; #90959 (1995).
Search and Discovery.com
1995
Deep compressed learning for 3D seismic inversion
Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo
International Meeting for Applied Geoscience and Energy (IMAGE)
... Comments 58 Cubes × (192 × 64 × 496) One bit per shot (i.e. cube) + InstanceNormalization + InstanceNormalization + Dropout(0.2) without MaxPool3D...
2023
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... environments, where both steep dips and multipathing are an issue. Standard shot-based one-way WE preSDM techniques image the subsurface by extrapolating...
2015
A Comprehensive Approach to Depth Imaging in Thrust Belt Environments
Ron Schmid, Brian Link, Patrick Butler
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., to a sparsely shot 3D dataset to assess the value and limitations of current technology. METHODOLOGY The large volume of prestack data (and attendant...
1997
Abstract: Inexact Full Newton Method for Full Waveform Inversion Using Simultaneous Encoded Sources; #90187 (2014)
Amsalu Y. Anagaw and Mauricio D. Sacchi
Search and Discovery.com
... of sources within the experiment. The basic idea of the simultaneous shot method is to create super-shots through the summation of individual sources...
2014
4D Regional Evolution of Gravity Driven Systems: Comparison between Salt and Shale Tectonics and Petroleum Implications, by Philippe de Clarens, Xavier du Bernard, Jean-Loup Montenat, and Stephane Raillard; #90037 (2005)
Search and Discovery.com
2005
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
... seismic data. These modelled shots are then compared with the acquired (observed) recorded seismic shots. The residual differences are backward propagated...
2014
Abstract: Transmission Imaging: Moving Source Offset VSP (MSOVSP) Case Study; #90172 (2014)
Emmanuel Bongajum, Bernd Milkereit, Douglas Schmitt
Search and Discovery.com
... 600m on either side. Figure 2 shows the vertical component record of the shot gather. Note the asymmetry in the direct arrivals which can...
2014