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The AAPG/Datapages Combined Publications Database
Showing 1,680 Results. Searched 200,293 documents.
Abstract: Biot-Gassmann Fluid Term Extraction Based on PP-PS Joint Inversion;
Qi Ma
Search and Discovery.com
... of generalized linear inversion and the iterative reweighed least-squares algorithm are applied to solve this function. Tests with synthetic data show...
Unknown
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
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
The "Sorting Out" of Geological Variables Illustrated by Regression Analysis of Factors Controlling Beach Firmness
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
..." left in the observed data after the least squares straight line is fitted to the observations. The method of least squares is so named because FIG. 4...
1959
An anti-aliasing plane wave decomposition method based on local linear Radon transform
Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... to regularization constraints. The least squares inversion constrained by Tikhonov regularization can stably solve the inverse of Radon transform...
2024
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
Next-generation resolution through multiparameter FWI imaging
Tom Rayment, James McLeman, Karen Dancer, Tim Burgess
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This least-squares imaging solution uses primaries, multiples and ghosts to deliver higher-resolution images than traditional imaging algorithms...
2022
Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East
G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... minimizing the following least-squares misfit objective function between the simulated data 𝑑(𝑥 𝑟 ; 𝑡; 𝑥 𝑠 ) and the field data...
2024
ABSTRACT: Reservoir Characterization in Kaji-Semoga Field, South Sumatra, Indonesia, Using Seismic Inversion and Geostatistics, by Dyah Tribuanawati; #90913(2000).
Search and Discovery.com
2000
A study on lossy compression for background wavefield storage in LSM
Átila Saraiva Quintela Soares, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... rate (bpd) 4 tolerance 16 28 40 52 10 − 910 − 610 − 410 − 310 − 2 (a) |m lossless − m lossy|2 2 Least-squares reverse time migration (LSRTM...
2024
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
Estimating the Line of Correlation
Norman Macleod, Peter Sadler
Special Publications of SEPM
... on qualitative criteria than was achieved by the least squares Major approach Major Axis Regression A more direct method of estimating a line that best...
1995
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
... wave propagation. Introduction The inversion method of Padé approximation is based on a constrained least squares minimization algorithm...
2014
Five Geological Datasets: Appendix B
David E. Hamilton, Thomas A. Jones
AAPG Special Volumes
..., and the least-squares gridding algorithm with smoothing filter was used (see Appendix A, this volume). STRUCTURAL TOP OF A COAL UNIT These control points...
1992
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
..., Calgary, AB, Canada noise, which will hamper the procedure of least-squares subtraction. On the other hand, our new method provides a much cleaner...
2014
3D inversion and visualization of DC data acquired at dense borehole locations
Diego Domenzain, Lichao Liu, Anders Kristian Kuhl, Anders Vest Christiansen, Ivn Ylamos Vela
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.5194/gi-8-1-2019. Loke, M. H., and R. Barker, 1996, Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method 1: Geophysical...
2022
ABSTRACT: Determination of Kinetic Parameters for Kerogen Degradation from Rock-Eval Data, by Kazuo Nakayama; #91003 (1990).
Search and Discovery.com
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: A New Approach to Predict Log Properties from Seismic Data Using Multiple Seismic Attributes and Neural Networks, by James S. Schuelke, Dan Hampson, and John Quirein; #90913(2000).
Search and Discovery.com
2000
Abstract: Interpolation Using Hankel Tensor Completion; #90187 (2014)
Stewart Trickett and Lynn Burroughs
Search and Discovery.com
... using an Alternating Least Squares algorithm. The new interpolator can better handle large gaps and high sparsity than existing completion methods...
2014
Abstract: Accurate Water Saturation Estimation of the McMurray Formation: Wireline Log vs Core Data; #90213 (2015)
Martin Eriksson, Steve Hogan, and Chi-Tak Yee
Search and Discovery.com
... calculated water saturation’s compare across a similar sample interval to that of the core corrected water saturation’s. Finally, by applying a least squares...
2015
Abstract: A New Approach to Automated Well-Log Correlation in Three Dimensions: Examples from the Permian Basin, Texas;
Zoltan Sylvester
Search and Discovery.com
... of pairwise DTW correlations into a least-squares optimization problem that is solved through the conjugate gradient method. The resulting...
Unknown
Abstract: Progress in Multiple Attenuation with Land Seismic Data in the Sultanate of Oman: Examples of Wave-Equation Deconvolution; #91204 (2023)
Najla AlObaidani, Tahar ben Youssef, Rahma Al-Harthy, Gregory Culianez
Search and Discovery.com
... step consists of using least-squares inversion to derive an image of the multiple generators from the data based on the multiple periodicities...
2023
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... of the proposed strategies. Theory and Method The least-squares inverse problem As a least-squares local optimization, FWI seeks to minimize...
2015
Modeling the Semivariogram: New Approach, Methods Comparison, and Simulation Study
A. Gribov, K. Krivoruchko, J. M. Ver Hoef
AAPG Special Volumes
... procedure using modified iterative weighted least squares is presented. This algorithm is shown to be reliable for a wide range of data types...
2006