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The AAPG/Datapages Combined Publications Database
Showing 4,714 Results. Searched 195,364 documents.
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... ) can be used to estimate the reflectivity parameters and to recover the impulse wavelet using inverse filtering. Numerical Simulations To simulate...
2015
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... are deployed on the surface with a receiver interval of 5m from 5m to 5750m. The source function is a Ricker wavelet with a dominant frequency...
2015
Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).
Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk
Search and Discovery.com
...), the seismic image recovery problem is formulated as a nonlinear optimization problem. After linearization and by ignoring the source and receiver signatures...
2015
Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures
Robert Dennison
Indonesian Petroleum Association
... the reciprocal i.e. i/f, of every frequency point. Once G(w) had been computed an Inverse Fourier Transform converts the wavelet spectrum back into the time domain...
1984
Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding
Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... algorithm is the Euclidean deconvolution (Rietsch, 1997), which uses the source wavelet, i.e., the common factor in a group of seismic data with different...
2023
Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)
Olivier Winter, Anna Leslie, and Forest Lin
Search and Discovery.com
... for a given target is a problem where the seismic hardware, source parameters, design layout and seismic processing must be considered. We aim to provide...
2015
Exploration of the North Seribu Area, Northwest Java Sea
Roberto Fainstein
Indonesian Petroleum Association
... do not vary with offset of receivers or the depth of reflectors. The amplitude spectrum for the effective source wavelet is determined by averaging...
1987
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... parameters, keeping the time-variant nature of the embedded source wavelet in mind. These windows are usually made to overlap to avoid artifacts. However...
2015
ABSTRACT: Inversion with A Priori Information: A Step Toward Consistent and Integrated Interpretations of Reservoirs, by J. Brac, P. Y. Dequirez, C. Jacques, P. Lailly, V. Richard, and D. Tran Van Nhieu; #91032 (2010)
Search and Discovery.com
2010
Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)
Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... observations and the geophysical expert’s position on modelling spatial and temporal grids’ characteristic sizes as well as the source wavelet...
2015
Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)
Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann
Search and Discovery.com
..., Calgary, AB, Canada Considering that it is not easy to remove only the source wavelet conserving the general inverse theory, we modify the first method...
2014
Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2
B. A. Hardage
AAPG Special Volumes
... the energy source and the receivers are positioned on the earth's surface. What happens to the seismic wavelet as it propagates from the source...
1985
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... It is a common assumption in reflecton seismic interpretation that the source wavelet which hits a subsurface reflector is a single, short duration pulse...
1983
Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)
Scott Leaney and Chris Chapman
Search and Discovery.com
... mechanism, and while we prefer a source model that admits an isotropic pressure source in a cavity together with a DD source as in (1), to keep the inver...
2014
Reducing geologic uncertainty in seismic interpretation
Search and Discovery.com
N/A
Abstract: Improving Seismic Interpretation by Reducing Uncertainty With 2-D Modeling and Analytics; #90310 (2017)
Vladimir Rybakov
Search and Discovery.com
... outcome. In this discussion we will examine uncertainty reducing workflows associated with forward and inverse modeling techniques. How can we make...
2017
Eliminating the Influence of Caprock Thickness on Anomaly Intensities in Geochemical Surface Survey in the South Slope of the Dongying Depression in East China; #41304 (2014)
Liuping Zhang, Zhenli Wang, and Yingquan Zhao
Search and Discovery.com
..., the detailed sequence (high frequency parts) is multiplied by the correction factor and the inverse transformation of wavelet analysis was conducted to obtain...
2014
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... with source wavelet s ( ) using 2 1 1 u ( x, ) Ln s( ), 4 v ( x, ) (5) where the density is assumed to be constant...
2014
Statistical Relations Between Borehole and Surface Data
Dale G. Stone
Oklahoma City Geological Society
... and in the borehole is often difficult. The most prevalent practice is visual alignment and evaluation of forward synthetics. Recently inverse seismograms have...
1984
Reducing Geologic Uncertainty in Seismic Interpretation; #41947 (2016)
Jim Bock
Search and Discovery.com
... become exceeding valuable. This presentation will examine a number of uncertainty reducing workflows associated with both forward and inverse...
2016
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... the array (Ziolkowski et al., 1982). The source signature may then be used to design an inverse filter for source wavelet removal without invoking...
2011
Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)
Amr Ibrahim
Search and Discovery.com
... is the blended data, D represent the original data cube that would be recorded without source overlapping and Γ is the blending operator (Berkhout...
2015
Rock-physics based time-lapse inversion in Delivery4D: synthetic feasibility study for CO2CRC Otway Project
Stanislav Glubokokvskikh, James Gunning, Tess Dance, Roman Pevzner, Dmitry Popik, Christian Proud
Petroleum Exploration Society of Australia (PESA)
... extend the functional of Delivery - an open-source stochastic inversion software. We illustrate efficiency of Delivery4D using synthetic 4D dataset...
2018
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
..., with limited 2.3km offset, air-gun source depth 4 or 2 m varying with water depth, Data was acquired on grid of 25m x 25m. This survey is composed of north...
2023
A deep learning-based inverse Hessian for full-waveform inversion
Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...A deep learning-based inverse Hessian for full-waveform inversion Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah A deep learning-based inverse...
2023