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The AAPG/Datapages Combined Publications Database
Showing 1,449 Results. Searched 195,387 documents.
Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).
Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk
Search and Discovery.com
..., Canada 2 Abstract A non-linear singularity-preserving solution to the least-squares seismic imaging problem with sparseness and continuity constraints...
2015
Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia
Mike Hartley, Shuo Ji, Alex Browne
Petroleum Exploration Society of Australia (PESA)
... separately using least-squares matching filtering. Data output from this process are multiple models which more closely match the phase and amplitude...
2016
AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 4: 2-D Inverse Thermal Modeling on the Norwegian Shelf Using Fast Approximate Forward Solutions
S. P. Trautner and S. B. Nielsen
AAPG Special Volumes
... This chapter demonstrates that least-squares inverse modeling is possible in 2-D thermal and maturity modeling using fast approximate forward (FAF) solutions...
2003
Abstract: A Stratigraphic Inverse Simulation Model, by M. A. Lessenger and T. A. Cross; #91004 (1991)
Search and Discovery.com
1991
Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)
Oluwafemi Ogunsuyi, Douglas R. Schmitt
Search and Discovery.com
... by damped least squares technique to determine the changes that needs to occur in the model parameters for the differences in the calculated...
2014
Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)
Mostafa Naghizadeh and Kristopher A. Innanen
Search and Discovery.com
.... The nonredundant nature of FGFT renders a big computational advantage to this interpolation method. A least-squares fitting scheme is used next to retrieve...
2015
Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
..., . The modelling matrix may be saved in the computer memory and multiplied with the model several times when solving least squares Kirchhoff migration...
2014
High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP
Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
...High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP Ali Sayed...
2023
Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
.... We compute the spectral ratio in the time domain by first designing trace-sequential, least-squares match filters and then Fourier transforming them...
Unknown
Abstract: Attenuation of Acquisition Footprint on Sparse Land and Ocean Bottom Data Using Least Squares Pre-Stack Time Migration, by Richard Leggott, Richard Wombell, and R. Gareth Williams; #90077 (2008)
Search and Discovery.com
2008
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
... with the following equation:where a and b are the intercept and slope of the least squares fit of the amplitude ratio. In attenuation measurements...
2009
Estimation of detachment depths and displacements from the area–depth markers of contractional growth structures: Testing the “inverse line” concept
Sam Rivas-Dorado
AAPG Bulletin
... mapped in a cross section, an inverse line to the area–depth least-squares fit for the growth markers can be calculated. The process to draw the inverse...
2023
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... are compared using an objective function, usually based on the least-squares method (Virieux and Operto, 2009). FWI is a robust methodology that significantly...
2023
Abstract: Spectral Analysis in Stratigraphic Interpretation, by Yihua Cai; #90200 (2014)
Search and Discovery.com
2014
Structure-Oriented Texture Model Regression for Seismic Structure Visualization and Interpretation
Dengliang Gao
GCAGS Transactions
... of seismically-imaged structural features. Second, least-squares linear regression of image texture is a statistically-robust filtering process...
2006
Computer Mapping of Pinnacle Reefs, Evaporites, and Carbonates: Northern Trend, Michigan Basin: Chapter 5
David E. Hamilton, Skye K. Henize
AAPG Special Volumes
... represent data for this surface. (A) Grid built using a least squares algorithm with a biharmonic filter. It is difficult to tell which closures...
1992
Multiparameter FWI imaging in the Gulf of Mexico
Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... issues that employs an L-BFGS optimiser combined with an adaptive-gradient-like approach. MP-FWI imaging is a multi-scattering, least-squares imaging...
2023
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... is computed using an assumed velocity model and the wavefield at depth is derived using weighted damped least squares. This method is used to correct common...
2014
ABSTRACT: Flexural Plate Inversion with Compressive Thrusting, by Jie Tang, Ian Lerche, Jeff Cogan; #91003 (1990).
Search and Discovery.com
1990
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... will review here are (1) demultiple workflow with 3D curvelet domain subtraction, (2) hybrid Tomo-FWI velocity model building, and (3) Least-Squares Q Pre...
2019
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... least-squares algorithm, II) Conversion of reflection data from IDS to FSD, III) Identify surface transfer function, in FDS and IDS and IV) Compute...
2015
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
... first arrival data is contaminated by colored noise, conventional inversion that is based on least squares may not give the correct solution...
2014
Application of Geophysical Method to Delineate Contamination in Waste Disposal Site of Ampar Tenang, Dengkil, Selangor D.E.
Abdul Rahim Samsudin, Umar Hamzah, Wan Zuhairi Wan Yaacob, Bahaa-eldin El Wali Abdel Rahim, Loh Yean Sze
Geological Society of Malaysia (GSM)
.... Electrical methods in geophysical prospecting. Oxford, Pergamon Press Inc. LOKE, M.H. AND BARKER, R.D., 1995. Least-squares deconvolution of apparent...
2003
Abstract: Q Estimation by a Match-filter Method; #90174 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... with application to time-variant filtering: Geophysics, 63, 244-259 Patton, S. W., 1988, Robust and least-squares estimation of acoustic attenuation from...
2014
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... (?). approximately got! SVD in their robust squares (IRLS) the estimate weights are least ˆ ! is the rank the reconstructed (M UV method based on randomized...
2014