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The AAPG/Datapages Combined Publications Database
Showing 1,680 Results. Searched 200,293 documents.
Generalized internal multiple elimination
Dongliang Zhang, Constantinos Tsingas, Mohammed S. Almubarak
International Meeting for Applied Geoscience and Energy (IMAGE)
...://doi.org/10.3997/2214-4609.20130836. Zhang, D., and G. Schuster, 2014, Multiples least-squares reverse time migration: Geophysics, 79, no. 1, S11–S21...
2022
Algorithm Comparison with Cross Sections: Appendix A
David E. Hamilton, Thomas A. Jones
AAPG Special Volumes
... of algorithms. Figure 1 is a map showing the distribution and values of the synthetic data with contours drawn using a least-squares gridding algorithm...
1992
Some Geological Applications of Trend-Surface Analysis: ABSTRACT
W. A. Read
AAPG Bulletin
... by power-series polynomials, fitted by the least-squares method to areal geological data. The technique allows the regional component, represented...
1967
Geochemical determination of heavy oil viscosity using multivariate statistical algorithms, #90110 (2010)
Jennifer Adams, Barry Bennett, Lloyd Snowdon, Steve Larter
Search and Discovery.com
... viscosity measurements, which often reveal error introduced via sample handling and analysis. Here we present multivariate statistical partial least squares...
2010
Abstract: Least-Squares Measurement of Shear-Wave Splitting; #90211 (2015)
Richard Bale, Jianchao Li, Bruce Mattocks, and Shuki Ronen
Search and Discovery.com
...Abstract: Least-Squares Measurement of Shear-Wave Splitting; #90211 (2015) Richard Bale, Jianchao Li, Bruce Mattocks, and Shuki Ronen Datapages...
2015
Improved subsalt imaging in Brazil Campos basin Cascaded application of hybrid interbed demultiple, P- and S-salt velocity joint migration, and subsalt converted wave suppression
Riaz Alai, Faqi Liu, Darrell Armentrout, David Brookes, Terry Johnson, Milos Cvetkovic, Gundogan Coskun, Shah Sulaiman, Kien Kok Lee, Afiq Mokhtar, Christopher Lee Slind, Hafizan Wahab, Wan Ching Low, Ali Andrea B. Hashim
International Meeting for Applied Geoscience and Energy (IMAGE)
... Top of Salt • Marchenko method - between Top and Base of Salt and through a simultaneous Least-Squares matching with the data, the estimated interbed...
2022
CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).
David Le Meur, Antonio Pica, Terje Weisser
Search and Discovery.com
.... Introduction Multiple generation “squares” (at least for first order multiples) the degree of complexity of the reverberated reflected energy...
2015
Horizon detection with CNN-based multiscale volumetric flattening
Jesse Lomask
International Meeting for Applied Geoscience and Energy (IMAGE)
... surfaces are subsequently fitted to these dips using least squares inversion. This method is demonstrated on 3D seismic using both 2D and 3D CNNs...
2023
Machine learning and explainable AI for predicting missing well log data with uncertainty analysis: A case study in the Norwegian North Sea
Sushil Acharya, Karl Fabian
International Meeting for Applied Geoscience and Energy (IMAGE)
... regression, Principal Component Regression (PCR), Partial Least Squares Regression (PLSR), random forest, and bidirectional long short-term memory (Bi-LSTM...
2024
Practical Application of Adaptive Least-Squares RTM to Advance Field Development and Uncover New Reserves in the Sub Salt Provinces
Search and Discovery.com
N/A
Facies-based inversion through integrating elastic full-waveform inversion and high-frequency imaging data
David Tang, Valeriy Brytik, Olivier Burtz, Young Ho Cha, Partha Routh, Ratnanabha Sain, Jay Barr, Dez Chu, Michael Gutierrez, Jeffrey Sitgreaves, Jacob Utley, Guy Medema, Alison Scribner
International Meeting for Applied Geoscience and Energy (IMAGE)
... these issues, we integrate low-frequency eFWI models, facies information from wells, and least-squares reverse time migration (LSRTM) imaged stacks...
2022
Quantifying multiple source rock contributions to petroleum fluids: Bias in using compound ratios and neglecting the gas fraction
Andrew P. Murray and Kenneth E. Peters
AAPG Bulletin
... genetic classifications. Mixture deconvolution by alternating least squares regression of ratios can seriously underestimate the contribution of the gas...
2021
3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction
Xishuo Wang
Search and Discovery.com
... the seismic trace is FFT’ed from time to the frequency domain. Spatial prediction can then be done in any number of dimensions, at most in 4D or at least...
Unknown
3D Seismic Data Interpolation by Frequency Domain Local 2D Prediction
Xishuo Wang
Search and Discovery.com
... the seismic trace is FFT’ed from time to the frequency domain. Spatial prediction can then be done in any number of dimensions, at most in 4D or at least...
Unknown
ABSTRACT: Pyrite Grain-Size Distribution and Pyritic Sulfur Reduction in Ohio Coals: A Statistical Relationship
Mainak Mazumdar, Richard W. Carlton, Gino A. Irdi
The Society for Organic Petrology (TSOP)
... analysis was used to obtain the relationship between 0 and 6, aryd pyritic sulfur reduction at 1.60. A least squares regression equati~n was obtained...
1987
Improved Calibration of the Absolute Thermal Maturity of Coal-Sourced Oils and Gas Condensates Using PLS Regression; #10480 (2013)
R. Sykes and K.-G. Zink
Search and Discovery.com
... a new method for predicting absolute maturities of coal-sourced oils and gas condensates based on Partial Least Squares (PLS) regression. The use...
2013
Three common statistical missteps we make in reservoir characterization
Frank Male and Jerry L. Jensen
AAPG Bulletin
... of various disciplines is needed. Here, we look at three misapplications of ordinary least squares linear regression (LSLR), show how they can lead to poor...
2022
Micro transient EM for seismic sand corrections through physics-coupled deep learning
Daniele Colombo, Ersan Turkoglu, Ernesto Sandoval-Curiel, Javier Giraldo-Buitrago
International Meeting for Applied Geoscience and Energy (IMAGE)
... and physics-driven least-squares inversion. The procedure provides a sharp mapping of the shallow BoS resulting in the improvement of the seismic images...
2022
Predicting Estimated Ultimate Recovery from Flowing Material Balance Analysis Considering Rock and Connate Water Expansion for Unconventional Gas Reservoirs
Aykut Atadeger, Mustafa Onur, Leslie G. Thompson, Barry A. Ruddick
Unconventional Resources Technology Conference (URTEC)
...ions. Here, we use the robust straight-line fitting technique presented by Schlossmacher (1973) to avoid susceptibility of ordinary least-squares ...
2021
Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea An Iterative Approach
A.J. Hardwick, S. Jansen, B. Kjolhamar
Petroleum Exploration Society of Australia (PESA)
... ratio. is applied on cascaded 2:1 of SRME Figure 3: Iterative multiple prediction and top of the least-squares adaption result adaptive subtraction...
2017
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
Interbed multiple attenuation with an automatic spatially adaptive thresholding operator: A case study in the North Louisiana Salt Basin
Joel Latchman, Rika Burr, Jonathan Woolley, Anna Nolan, Bin Gong, Jinming Zhu, Fang Yuan
International Meeting for Applied Geoscience and Energy (IMAGE)
... energy but perform poorly in areas with similar dip. We present a novel method based on Least-Squares subtraction that automatically adapts the predicted...
2024
Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)
Yihua Cai, Sergey Fome, Hongliu Zeng
Search and Discovery.com
... discontinuities. We propose separable nonlinear least-squares estimation in spectral recomposition. Employing the Gauss-Newton method, separable...
2014
Abstract: Coherence and Measures of Coherence: An Advanced 3D Interpretive Processing Application
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... by fitting planes using orthogonal least squares based on the Hotelling (Karhunen-Loeve) Transform. The technique for finding this transformation...
1997
Thermal Subsidence: Chapter 4
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
... a tectonic subsidence data set in a least-squares sense. There is nothing sacred about least-squares curve-fitting techniques. In the real world...
1990