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The AAPG/Datapages Combined Publications Database
Showing 5,197 Results. Searched 200,639 documents.
Ultrasound reverse time migration for human brain imaging
Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... filtering is clearer, which does not work for the high-contrast skull. Comparing figure 3(b) and (f), the inverse scattering imaging conditions based...
2024
Gravity Geophysical Analysis of Spring Locations in a Karstic Desert Basin, Cuatro Cienegas Basin, Coahuila, Mexico
Brad D. Wolaver, John M. Sharp Jr., Juan M. Rodriguez
GCAGS Transactions
..., Preliminary results from a shallow, high-resolution seismic survey and potential field data filtering near Devil's Hole at Ash Meadows, Nevada...
2006
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
Generative modeling for inverse problems
Rami Nammour
International Meeting for Applied Geoscience and Energy (IMAGE)
...Generative modeling for inverse problems Rami Nammour Generative modeling for inverse problems Rami Nammour, TotalEnergies Research and Technology...
2022
Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole
Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao
International Meeting for Applied Geoscience and Energy (IMAGE)
... to enhance the detection of TIE waves in pitch-catch measurement. The workflow consists of three modules: filtering, interface auto-picking...
2022
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
... modeling these elastic effects is costly and methods like FK-filtering might damage the data while removing the noise, especially if the guided waves...
2023
Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)
Chris Bird, Kristopher Innanen, Laurence Lines
Search and Discovery.com
..., have been observed in seismic data. A seismic AVF (Amplitude variation with frequency) inversion method for determining Q of a highly absorptive target...
2015
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The attenuation (inverse Q) factor is found to increase mildly with increasing frequency: Q−1 scales with ω 0.275 . The values of the Q factors at the central...
2022
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the reflection angle and is limited to the vicinity of the reflection interface, resulting in reduced structural filtering capabilities when moving away...
2023
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)
... influences (such as Q attenuation, uneven illumination, and observation system) in the Hessian operator. It offers better continuity, resolution...
2023
Abstract: Interpolation Using Hankel Tensor Completion; #90187 (2014)
Stewart Trickett and Lynn Burroughs
Search and Discovery.com
... the interpolated frequency slice from the completed tensor. Take the inverse DFT of each trace. Two methods for forming the tensor in step 1 have been proposed...
2014
What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).
Search and Discovery.com
2004
Seismic inversion with implicit neural representations
Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the 33rd International Conference on Machine Learning, PMLR, 1050–1059 [ISSN: 1938-7228]. Goupillaud, P. L., 1961, An approach to inverse filtering...
2024
Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)
Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson
Search and Discovery.com
..., an inverse Fourier transformation of the results of the data with the threshold applied, and finally the reinsertion of the values of the original...
2014
Spatial Analysis of Basement and Cover Linears by Optical Diffraction - Methods, Results, and Interpretation
Howard J. Pincus, Thomas W. Doe
Utah Geological Association
.... Filtering can suppress dominant alignments so that obscure features are more easily studied, and can aid in analyzing complicated distributions...
1974
Pre-drill Reservoir Evaluation Using Passive Seismic Imaging
Charles Sicking, Jan Vermilye, Ashley Yaner
Unconventional Resources Technology Conference (URTEC)
... and cannot be easily modeled. These noises are suppressed using the trace filtering workflow that includes cepstral filtering and low cut frequency...
2016
Q-compensated least-squares reverse time migration by considering velocity and Q perturbations
Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...Q-compensated least-squares reverse time migration by considering velocity and Q perturbations Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li Q...
2022
Massive focal mechanism solutions from deep learning in west Texas
Yangkang Chen, Omar M. Saad, Alexandros Savvaidis, Fangxue Zhang, Yunfeng Chen, Dino Huang, Huijian Li, Farzaneh Aziz Zanjani
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Y. Rao, and X. Chen, 2020, Oriented pre-stack inverse Q filtering for resolution enhancements of seismic data: Geophysical Journal International, 223...
2024
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
... in the time domain (Tarantola, 1987) with a minimization of the data misfit d m, q over the model parameters m and the source wavelet signatures q dT C...
2015
Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques
Search and Discovery.com
...Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques Arnim Haase...
2013
A sliding box automatic relocation method based on geometric-mean reverse-time migration
Tong Bai, Zhendong Zhang, Malcolm C. A. White, Hongrui Qiu, Paul Williamson, Nori Nakata
International Meeting for Applied Geoscience and Energy (IMAGE)
...; Yang et al., 2018) and the PS-imaging condition becomes Figure 1: (a) Acquisition map showing two-phase stations (inverse triangles) and selected 280...
2022
Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)
Chuandong (Richard) Xu and Robert Stewart
Search and Discovery.com
... ratio method gives us unstable Q values. The VSP-derived Qp curve demonstrates an inverse linear relationship with the VSP-derived Vp/Vs curve...
2015
Research and application of Intelligent high resolution processing method based on ISTA-Net
Huahui Zeng, Qin Su, Sanyi Yuan, Lide Wang, Yanwu Xu, Huijie Meng, Deying Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... deconvolution, inverse Q filtering and compression wavelet, the resolution of seismic data can be improved by expanding the dominant frequency of seismic...
2024
Quantitative Tarfaya Basin Development, Morocco, #10420 (2012)
Axel Wenke, Rainer Zühlke, Haddou Jabour, Oliver Kluth, Torge Schümann
Search and Discovery.com
... quantitative sequence stratigraphy and inverse flexural basin modeling. The subsidence/uplift history of the Tarfaya Basin shows nine trends (ST1-9...
2012
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... and suspension (Fig. 11). The output in the distance domain can then be ascertained by using the inverse Fouri r transform. Filtering in Distance Domain...
1969