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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,636 documents.
Incorporating Artificial Intelligence into Traditional Exploration Workflows in the Cooper-Eromanga Basin, South Australia
H. M. Garcia, W. G. "Woody" Leel Jr., M. Riehle, P. Szafian
International Meeting for Applied Geoscience and Energy (IMAGE)
... Fourier Transformation). Based on the original spectrum at a reference line, the user defines a new target spectrum: the tool then re-combines...
2021
Exploración a Través de la Optimización de la Información Sísmica: Caso Estudio Atributos Sísmicos. [PAPER IN SPANISH] Exploration through Optimization of Seismic Information: Case Study Seismic Attributes.
Camilo Dongo, Víctor Ramírez
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... información requerida para desarrollar un modelo geológico es limitada, es necesario tener una estimación de la incertidumbre. Mejoras en el procesamiento...
2009
Parsimonious Deconvolution
Jon F. Claerbout
Southeast Asia Petroleum Exploration Society (SEAPEX)
... us use X, B, Y and G to denote fourier transforms of x, b, y, and g. Clearly (19) X dB + B dX = 0 Now, we would like to choose dX...
1980
New design of marine controlled-source electromagnetic transmitter using supercapacitors
Tanvir Alam Shifat, Xiaolei Tu, Yue Cao, Adam Schultz
International Meeting for Applied Geoscience and Energy (IMAGE)
... isolated output by using a transformer in between the active bridges. Mathematically, DAB converter’s operation is expressed based on the Fourier series...
2022
Large-scale Marchenko imaging with distance-aware matrix reordering, tile low-rank compression, and mixed-precision computations
Matteo Ravasi, Yuxi Hong, Hatem Ltaief, David Keyes, David Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
... mentioned problems, this can be expressed as ˆ W = FH WF (1) where F and FH are the forward and inverse Fast Fourier Transˆ forms (FFTs), and W is a block...
2022
Information Management: Surfing the Internet for Geological and Geophysical Data
Kelley Smoot, Edna O. F. Reid
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of programs for UNIX-based machines covering manipulation of seismic data in the SEG-Y format. Fourier transforms, synthetic data generation, seismic...
1994
The generation of equivalent sources by 3D skeletonization of the migration density field
James Brewster
International Meeting for Applied Geoscience and Energy (IMAGE)
... infilled with a smaller line spacing of 50 m. The data was noise reduced by combining the independently measured gradient components in Fourier-domain...
2022
Karst Recognition & Reservoir Impact, Yadana Field, Offshore Myanmar
Philippe Lapointe, John Hurst, Art Saller, U. Kyaw Nyein, U Myint Oo, U Thet Tun
Southeast Asia Petroleum Exploration Society (SEAPEX)
... analysis (A. Arnaud, Joseph Fourier University, Grenoble, France) have corrobored the interpretations. Indirect observations Initial suggestions...
1996
Seismic imaging in shallow water: where are we at and where might we be going?
Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss
Australian Energy Producers Journal
...) Compressive least-squares migration with on-the-fly Fourier trans forms. Geophysics 84(5), R655–R672doi:10.1190/geo2018-0490.1 Yin Z, Orozco R...
2025
Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil
Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas
International Meeting for Applied Geoscience and Energy (IMAGE)
... by Fourier domain decomposition (Machado & Cunha, 2015). With these domain decomposition filtering, we use the good signal-to-noise components in the seismic...
2022
Introducing New Powerful Methods to Analyse BHA Behaviour
M. H. Amara
Indonesian Petroleum Association
... have been developed: A two-dimensional program based on the Fourier series analysis, A three-dimensional program based on the finite elements...
1984
A finite-element method to compute the seismic response in non-isothermal poroelastic media
Juan E. Santos, Gabriela B. Savioli, Jos M. Carcione, Jing Ba
International Meeting for Applied Geoscience and Energy (IMAGE)
... derivatives, namely, the Fourier pseudospectral differential operator (e.g., Carcione (2014)). The development of a new technique, based on the FEM...
2022
Full-waveform inversion and FWI imaging for land data
James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity models in complex geologies. Lemaistre, et al. (2018), combined first break picks with Laplace-Fourier FWI. Tang, et al. (2021) utilized...
2022
Seismic dataset-specific machine learning framework based on pretraining and fine-tuning
Tariq Alkhalifah, Randy Harsuko
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the four attention heads is handling a different frequency range, more like a Fourier decomposition. This learned decomposition of the input traces...
2022
Schweydar-Bamberg Types of Eotvos Torsion Balance
C. A. Heiland
AAPG Bulletin
... the different circles by Fourier series By use of this principle the influence of the nearest surroundings may be determined in the same manner as the farthest...
1926
The Resource Potential of the G. Patuha Geothermal Area, West Java
Idrus Alhamid
Indonesian Petroleum Association
... and the results shown in Table 4. The Na/K geothermometry formula introduced by Fourier in 1979 consistently gave very high temperatures, close to, or over...
1989
From Arrhenius to CO2 Storage: Part I: Blackbody Radiation and Milankovic Cycles
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... this equation. The figure below shows the amplitude spectrum of the temperature curve (Fourier spectrum), and we can clearly observe three distinct maxima...
2019
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... k z k x2 k z2 p kx kz (8) The dispersion relations can be transformed into the timespace domain through Fourier inversion...
2023
Enhanced Wellbore Placement Accuracy Using Geomagnetic In-Field Referencing and Multi-Station Correction
Stefan Maus, Matthew Herzl, Shawn DeVerse
Unconventional Resources Technology Conference (URTEC)
... aeromagnetic surveys, which have been employed for over 50 years to map geology and tectonic features. Earlier IFR methods used Fast Fourier Transforms (Dean...
2015
Low-rank representation for reflectivity model and its applications in least-squares migration
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... Freire, and W. Kessinger, 1990, Split-step Fourier migration: Geophysics, 55, 410–421, doi: https://doi.org/10 .1190/1.1442850. Xue, Z., Y. Chen...
2024
Phase pilot recovery: A foundation for mitigating speckle scattering noise in seismic data
Akshika Rohatgi, Andrey Bakulin, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiplicative noise to seismic traces within the Fourier domain as, 𝑋! (𝜔) = 𝑆(𝜔) ∗ 𝑅! (𝜔), (1) where...
2024
Proceedings of the First International Conference on The New Basement Tectonics; Frontmatter
Robert A. Hodgson, S. Parker Gay, Jr., Janet Y. Benjamins
Utah Geological Association
... ASSOCIATION Salt Lake City, Utah All Rights Reserved This book or any part thereof may not be reproduced in any form without permission...
1974
Numerical experiments on 3D frequency domain multiparameter full-waveform inversion in viscoelastic media in parallel environments
Guoqi Ma, Bing Zhou, Jamal Zemerly, Mohamed Kamel Riahi
International Meeting for Applied Geoscience and Energy (IMAGE)
...an weight for three-dimensional integration at ( ̂) any Gaussian abscissae q; ω is angular frequency; G and ( ) G are the jth component of the Four...
2024
Bi-directional LSTM-based non-causal deconvolution
G. Roncoroni, I. Deiana, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
... as: where X is the reference output, Y is the NN prediction and ̂ R(X) and R(Ŷ) are the real parts of their Fourier transforms, respectively; ...
2024
Quantitative Estimations of Clay Minerals by Diffraction Methods
W. D. Johns, R. E. Grim, W. F. Bradley
Journal of Sedimentary Research (SEPM)
... interstices which comprise the conventional chlorite crystal structure. For such instances a simple one-dimensional Fourier synthesis of the differences...
1954