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The AAPG/Datapages Combined Publications Database
Showing 1,450 Results. Searched 195,452 documents.
A Geomechanically-Based Inverse Method for Interpolating the Three-Dimensional Stress Field in a Faulted Reservoir, by Eric A. Flodin, Frantz Maerten, and Laurent Maerten; #90041 (2005)
Search and Discovery.com
2005
Relationship of Vitrinite Reflectance to Heat-Flow History of North Sea: ABSTRACT
Richard F. Yarzab, Ian Lerche, Christopher G. St. C. Kendall
AAPG Bulletin
... heat flow, Q(t), using a nonlinear least-squares technique. As a consequence of the modeling, we conclude that vitrinite reflectance can be modeled...
1983
ABSTRACT: Assessment of In-Situ Gas Saturation and Permeability From Logs in the Hugoton Field Based on the Physics of Mud-Filtrate Invasion; #90048 (2005)
Carlos Torres-Verdin, Faruk O. Alpak, Bovan George, Ray Sorenson, Grant Robertson
Search and Discovery.com
... variations of gas saturation away from the borehole wall. A least-squares constrained optimization method is employed to solve the inverse problem. Array...
2005
Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)
Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave
Search and Discovery.com
... as an approximation to the exact inverse (Tarantola, 1984). This approach is called least squares migration (Nemeth et. al., 1999, Duquet et. al., 2000). Kirchhoff...
2014
Abstract: Multi-Disciplinary Inversion of Earth Models, by Olivier Dubrule, Igor Escobar, and Danila Kuznetsov; #90077 (2008)
Search and Discovery.com
2008
A deep learning-based inverse Hessian for full-waveform inversion
Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Hampson, T. Rayment, and T. Burgess, 2022, A deep learning inverse Hessian for least-squares migration: 83rd Annual International Conference...
2023
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)
... to the surface seismic image. Post-stack least-squares migration in the image domain was used to compensate for illumination effects and further improve...
2023
Generating a New Approach for Continuous Reservoir Model Updating: Non-Gaussian Priors & Nonlinear Data Functions in EnKF (Paper P17)
S. Forghany, A. A. Asgari, T. Behrouz
Geological Society of Malaysia (GSM)
... zero becomes more practical specially in a closed-loop reservoir management setting. References Anderson, J. L., 2003. A Local Least Squares Framework...
2012
Abstract: Designing Wavefield Extrapolators using a Weighted Least-Squares with a Transition Band Approach; #90211 (2015)
Saleh Al-Saleh, John Bancroft, Gary Margrave
Search and Discovery.com
...Abstract: Designing Wavefield Extrapolators using a Weighted Least-Squares with a Transition Band Approach; #90211 (2015) Saleh Al-Saleh, John...
2015
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
..., George McMechan, The University of Texas at Dallas SUMMARY By fitting observed data with predicted seismograms, least-squares migration (LSM) computes...
2023
First arrival enhancement by statics preserving filtering using surface-consistent constraints
Alejandro Quiaro, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... [' is found solving the following damped least squares problem done by maximizing sparsity in that domain and using the result as reference data. Noisy...
2023
Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)
Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa
Search and Discovery.com
... attribute domain. First, they are predicted according to MF wavefront parameters and then they are subtracted using an adaptive least squares method...
2015
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
.... The second reason for deconvolution after migration is provide by Least Squares Migration (LSM). LSM provides a true inversion of the imaging process...
2014
Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method
Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the inverse problem can be solved by a damped least squares algorithm. (6) where is the transpose of , is the unit matrix, is the damping factor associated...
2023
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... steps: preprocessing, data preconditioning, multiple prediction and least-squares subtraction. The preprocessing step follows conventional land...
2014
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... Alberta: Saskatchewan Dept. Mineral Resources Rept. 53, 17 p. Agnocs, W. B., 1951, Least squares residual anomaly determination: Geophysics, v. 16, p...
1969
Abstract: Adaptive Surface Waves Attenuation from Wide-Azimuth Land Data, by David Le Meur, Nigel Benjamin, Teo Wah hong, Tom Van Dijk, and Paul Matheny; #90105 (2010)
Search and Discovery.com
2010
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
.... Introduction Full waveform inversion (FWI), formulated as a least-squares inverse problem, seeks to minimize the difference between the observed data...
2015
A Robust Gradient for Long Wavelength FWI Updates
Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... a nonlinear inverse problem by matching modelled seismic data to recorded field data. The matching is quantified by the residuals of a least-squares...
2016
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... and compute the least-squares estimates of the amplitudes d c for the trace at the center. For the vertical component we get 2 d zc d zc cos( zc k x zc...
2014
A Procedure for Computing the Lattice Constants of Some Crystal Systems
S. H. Chan
Geological Society of Malaysia (GSM)
... by means of the method of least-squares. In this paper the method for solving equations (1) and (2) will first be presented. This is followed...
1976
Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)
Stephen Chiu, Norman Whitmore, Michael Gurch
Search and Discovery.com
... use a time varying least squares Wiener match filter (Robinson and Treitel, 1980) because of its robustness in processing operations. The noise model...
2015
ABSTRACT: Determination of Kinetic Parameters for Kerogen Degradation from Rock-Eval Data, by Kazuo Nakayama; #91003 (1990).
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1990
ABSTRACT: Integrating Geological, Logging, and Seismic Information for Pore Pressure Prediction, by Li-Yun Fu, Kevin Dodds, and Xiuming Wang; #90913(2000).
Search and Discovery.com
2000
Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)
Dali Zhang, Michael P. Lamoureux, Gary F. Margrave
Search and Discovery.com
... was developed using Padé approximation. The inverse problem was solved as a constrained least squares minimization problem with regularization 3 AAPG Search...
2014