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The AAPG/Datapages Combined Publications Database
Showing 17,690 Results. Searched 200,293 documents.
Results of Elastic-Wave Surveys in California and Elsewhere
Frank Rieber
AAPG Bulletin
... errors in a few readings may make a large error in the determination of the break-point; therefore, in the computed depth. Numbers indicate velocity...
1930
Tomographic waveform inversion (TWI) applied to real seismic data
Jlio Oliva Frigrio, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the reference data u 0 has the same kinematics of the field data, despite any errors in the velocity model. In its turn, the misfit data uμ has small...
2022
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
... the refractor velocity and I the intercept time, each first arrival may be reduced to an intercept time by subtracting a time equal to X/V. Figure 2...
1980
Lithospheric Architecture of the Colorado Plateau and Its Margins: Abstract
G. Randy Keller
Pacific Section of AAPG
... of these results suggest the presence of a high-velocity (>7.0 km/s) layer at the base of the crust. A variety of technical and physical...
2001
Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).
Rob Vestrum,
Search and Discovery.com
... a better understanding of the subsurface velocity structure, and are therefore more delicate and sensitive to velocity errors. Unfortunately, complex...
2020
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
... is forgiving of small earth-model errors but fails when velocity varies rapidly. Standard practice of using these time data is to interpret them in the time...
2011
Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)
Francois Audebert and Volker Dirks
Search and Discovery.com
... reflecting planar facet and study the migration ‘errors’ for different isotropic and anisotropic velocity model. The Intrinsic Properties of a TTI...
2015
Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico
Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons
International Meeting for Applied Geoscience and Energy (IMAGE)
... kinematic errors in the velocity model, wanting to correctly position structure before progressively adding higher-wavenumber detail. The FWI...
2022
Leveraging self-supervised deep learning to address cross-talks in multi-parameter inversions
Wenlong Wang, Yulang Wu, Yanfei Wang, George A. McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... results. The EFWI-inverted velocity models have larger errors than SS-GSI-inverted velocity models, partly because EFWI cannot effectively invert...
2024
Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon
Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware
International Meeting for Applied Geoscience and Energy (IMAGE)
... at 500 m offset that the western edge of the survey show poor correlation between field data and FWI modeled data, suggesting velocity errors. Further...
2022
Seeing through the Salt
Jerry Kapoor, Nick Moldoveanu, Denes Vigh
GCAGS Transactions
... dataset bring new challenges for velocity model building and imaging. The first challenge comes from how we can fully exploit the extra information from...
2013
3D Seismic from Planning to Mapping
A. Kullerud, O. Nipen, H. E. Nordberg
Indonesian Petroleum Association
... is expressed as a relative velocity error. Migration errors can be directly connected to the input errors, i.e. velocity analysis, is significantly higher than...
1985
Abstract: 3-D Acquisition Realities and Processing Strategies in Mountainous Thrust Areas, by S. Mackay, S. Wright, J. Gaiser, A. Jackson, C. Beasley, and R. D. Wisecup; #90958 (1995).
Search and Discovery.com
1995
Abstract: Complex Allocthonous Salt Structures and Their Impact on Subsalt Illumination, by M. L. Albertin, D. Sedgeley, D. Kikkert, J. O. Mooney, A. Calvert, E. McCarron, M. O'Brien, and R. Priem; #90937 (1998).
Search and Discovery.com
1998
Abstract: 3-D Stress and Pressure Prediction in the Deep Water Setting, by Michael O. Maler, Neil R. Braunsdorf, and Mark G. Kittridge; #90914(2000)
Search and Discovery.com
2000
ABSTRACT: 3D Seismic Pore Pressure Analysis in Deep Water Fold and Thrust Belts: A Map and Volume Based Flow Balance Approach, by Kilsdonk, Bill; #90026 (2004)
Search and Discovery.com
2004
Abstract: Issues in Uncertainty Estimation for Time-to-Depth Conversion, by Michael K. Broadhead, Thomas M. Loretto, and Timothy H. Keho; #90077 (2008)
Search and Discovery.com
2008
ABSTRACT: Fahud Changing Image - Seismic Processing Contribution to the Rejuvenation of Omans Oldest Oil Field; #90051 (2006)
Cees Van Eden, Suleiman Al-Shukeiry, Johannes Rehling, Harry Rynja, Rupert Cole, Wadie Mansour, Pascal Schoepffer, Nigel Benjamin, Jaap Croese, Oleg Khakimov
Search and Discovery.com
..., for the near surface and the deeper velocity variations, used to tackle both the static and dynamic positioning errors through application of statics and pre...
2006
ABSTRACT: Seismic depth imaging of structures with complex overburden in offshore Ukraine; #90109 (2010)
O. Tiapkina, Z. Voitsytski
Search and Discovery.com
... involve rather thick sedimentary sequences with considerable lateral velocity variations; these in many cases lie above the reservoir or target zones...
2010
Fahud Changing Image - Seismic Processing Contribution to the Rejuvenation of Oman’s Oldest Oil Field
Search and Discovery.com
N/A
Application of full-waveform inversion to ultra-high-density OBN data at Clair field
Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies
International Meeting for Applied Geoscience and Energy (IMAGE)
... field. With long offsets and dense source and receiver spacing, these data are well suited for velocity model building with FWI. However, one...
2022
The Relationship Between Sphere Size And Settling Velocity
Ronald J. Gibbs, Martin D. Matthews, David A. Link
Journal of Sedimentary Research (SEPM)
...The Relationship Between Sphere Size And Settling Velocity Ronald J. Gibbs, Martin D. Matthews, David A. Link 1971 Vol. 41 No. 1. (March...
1971
Minimizing Depth Uncertainties Through Effective Seismic Processing Strategies in a Complex Geological Setting - Unlocking Deeper Potentials Offshore Indonesia
M Afiq B Mokhtar, Riaz Alai, Yonghe Guo, Pongga Wardaya, Jun Wang, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... in this abstract. The latter velocity has been able to minimize the depth errors and unlock the potentials towards deeper exploration opportunities...
2018
Land seismic multi-parameter FWI imaging
Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing
International Meeting for Applied Geoscience and Energy (IMAGE)
... of reflection tomography. Residual depth errors were then measured at several well locations to calibrate the velocity and anisotropy models. Structural...
2024
Entrainment and Distribution of Different Sand Sizes Under Water Waves
Peter Nielsen
Journal of Sedimentary Research (SEPM)
.... L., AND ISAACS, F. D., 1977, The motion of a small sphere in a rotating velocity field: a possible mechanism for suspending particles in turbulence...
1983