Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 2,749 Results. Searched 195,387 documents.
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
Abstract: Enhancing the FOCI Algorithm by Using a Weighted Least-Squares Approach; #90211 (2015)
Saleh Al-Saleh and Gary Margrave
Search and Discovery.com
...Abstract: Enhancing the FOCI Algorithm by Using a Weighted Least-Squares Approach; #90211 (2015) Saleh Al-Saleh and Gary Margrave Datapages/Search...
2015
Algorithm Comparison with Cross Sections: Appendix A
David E. Hamilton, Thomas A. Jones
AAPG Special Volumes
.... ALGORITHMS TO BE COMPARED Five algorithms or methods of creating contour maps are compared here. The algorithms are weighted-average and least-squares...
1992
Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)
Marcus R. Wilson and Robert J. Ferguson
Search and Discovery.com
... on the phase shift method of Gazdag (1978). Acquired seismic data is extrapolated recursively through the near surface by weighted-damped least squares...
2015
Abstract: Antialiasing 5D Interpolation; #90187 (2014)
Stephen K. Chiu
Search and Discovery.com
... to constrain the least-squares inversion in MWNI, frequency by frequency, to overcome the aliasing artifacts. This new interpolation scheme expands...
2014
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... these advantages we compare the least squares migration approach with Minimum Weighted Norm Interpolation (MWNI) for a synthetic data example where...
2015
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
...Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013) Sam T. Kaplan Parallel Implementation...
2013
Abstract: Statistical regression models for predicting landslide hazard
C. F. Chung
Atlantic Geology
... subareas are defined where each subarea contains a unique combination of the map patterns. Weighted least squares techniques are proposed...
1995
Abstract: Contouring Geologic Data from Arbitrary Points, by D. R. McDonald, C. J. R. Braithwaite, A. Jawad Ali; #90972 (1976).
Search and Discovery.com
1976
Abstract: Contouring Geologic Data from Arbitrary Points, by D. R. McDonald, C. J. R. Braithwaite, A. Jawad Ali; #90968 (1977).
Search and Discovery.com
1977
ABSTRACT: Absolute Elemental Concentrations Estimated from Geochemical Well Logging Using Neutron-Induced Gamma-Ray Spectrometry and a Geological Model, by James A. Grau and Michael M. Herron; #91038 (2010)
Search and Discovery.com
2010
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
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
Difficult Lithologies: Part 4. Wireline Methods
Khaled Hashmy, Mark Alberty
AAPG Special Volumes
... these equations effectively for a solution. The more commonly used methods are -- Graphical crossplots -- Linear matrix solutions -- Weighted least squares...
1992
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)
...Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin...
2023
Extended Abstract: Multivariate Geostatistical Model for Groundwater Constituents in Texas
Dr. Faye Anderson
Houston Geological Society Bulletin
... allowed for the use of a covariance matrix. The model was validated with a split-sample. Estimates of iteratively re-weighted generalized least...
2016
Abstract: The Deforming Philippines Orogen: Detail of Long Term Strain-Rate and Seismicity Calculations from Neotectonic Kinematic Analysis, by W. K. Rucker and P. Bird; #90087 (2009).
Search and Discovery.com
2009
ABSTRACT: Integration of Production and 4D Seismic Data for Improved Reservoir Characterization; #90017 (2003)
Mokhles Mezghani, Valerie Langlais, Mickaele Le Ravalec-Dupin, Frederic Roggero
Search and Discovery.com
... the minimization of a weighted least-squares objective function, which includes both production and 4D seismic data. The gradual deformation parameterization...
2003
Estimating the Line of Correlation
Norman Macleod, Peter Sadler
Special Publications of SEPM
... be modified to take key beds and weighted data into consideration Significance tests are available for least squares and major axis regressions...
1995
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
Antialiasing 5D Interpolation; #41497 (2014)
Stephen K. Chiu
Search and Discovery.com
... – d||2 + μ xH F-1 |Pk |-2 F x, and the least-squares solution with a minimum weighted norm is: x’ = (THT + μ F-1 |Pk |-2 F)-1 THd, where: μ...
2014
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
... least squares migration (LSM) (Schuster and Liu, 2019, Wang et al., 2016). Compared to migration methods, LSM has the ability to correct various...
2023
Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)
Mark Ng and Dan Negut
Search and Discovery.com
... data, and (3) to interpolate aliased dips. Since MWNI does a least-squares data fitting in space one frequency at a time, it uses the result from...
2014
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