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Keywords: spectral decomposition
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Proceedings Papers
Hydrocarbon exploration method based on spectral analyses of reflected seismic waves with an introduction to Class A, B and C P-wave dispersion
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101374
...-only techniques. petroleum geology economic geology p-wave dispersion geologist geological subdiscipline attenuation applied geoscience & energy 10 spectral analysis reservoir characterization dispersion spectra seismic model frequency geophysics spectral decomposition...
Proceedings Papers
3D seismic facies clustering through spectral decomposition using unsupervised ML
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094389
... The paper introduces a novel algorithmic approach for interpreting seismic data, aiming to automate spectral decomposition interpretation and cluster distinct 3D seismic facies. Utilizing Self-Organizing Maps (SOM) and Kmeans, the proposed algorithm effectively identifies and clusters geological...
Proceedings Papers
The direct linear electromagnetic inverse with constraints
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100476
... inverse ontology spectral decomposition reservoir characterization null space model parameter exploration geophysicist inverted resistance thin sheet american association The direct linear electromagnetic inverse with constraints Peter Walker*, Geophysical Algorithms Summary An inverse method...
Proceedings Papers
Implementation of frequency-dependent fault identification by convolutional neural networks with uncertainty analysis
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3737490
... prediction exploration geophysicist neural network machine learning deep learning reservoir characterization implementation artificial intelligence frequency american association international identification applied geoscience norlund society workflow energy 10 spectral decomposition...
Proceedings Papers
Seismic geomorphology reveals the depositional environment to enhance reservoir prediction at various scales: Case studies from exploration to development projects in Argentina
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745320
... reservoir characterization spectral decomposition exploration geophysicist seismic geomorphology cuyo group upstream oil & gas argentina formation alejandra feinstein international structural geology interpretation basin applied geoscience society american association teresa...
Proceedings Papers
Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749793
... Emphasizing geological features outlines is one of the seismic interpretation objectives. The spectral decomposition process allows extracting the distinctive frequencies encompassing an energetic maximum relative to a geological target and mapping it through a Red-Green-Blue viewer...
Proceedings Papers
Feature selection for seismic facies classification of a fluvial reservoir: Pushing the limits of spectral decomposition beyond the routine red-green-blue color blend
Available to PurchaseIsmailalwali Babikir, Mohamed Elsaadany, Maman Hermana, Abdul Halim Abdul Latiff, Muhammad Sajid, Carrie Laudon
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3752042
... Spectral decomposition is a powerful interpretation tool that provides superior subsurface images of channels and other thinly bedded depositional systems. The analysis of the band-limited components is commonly facilitated through the red-green-blue (RGB) blend, which is limited to three...
Proceedings Papers
Seismic compensation method for gas cloud area based on inverse spectral decomposition
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583276
... to accurately estimate the actual quality factor of the underground medium. In this paper, a new seismic compensation method based on inverse spectral decomposition in time-frequency domain is proposed. Firstly, the method divides the seismic data into several frequency bands using inverse spectral...
Proceedings Papers
The auxiliary S-transform
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3593408
... decomposition methods rely on multi-trace coherency attributes to improve spectral decomposition results. We propose a new coherency-based spectral decomposition method, the Auxiliary S-transform, which significantly improves on the resolution of the S-transform. The Auxiliary S-transform maps a seismic section...
Proceedings Papers
Spectral curves clustering: A new method for spectral decomposition interpretation
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3423067
... In the last two decades, spectral decomposition as a dynamic analysis method for seismic and prediction of effective thicknesses has been firmly established in the geological ex-ploration workflow. The reason for this is high efficiency in forecasting in conditions of high lateral and vertical...
Proceedings Papers
Combination of classic geological/geophysical data analysis and machine learning: Brownfield sweet spots case study of the middle Jurassic Formation in western Kazakhstan
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425384
... material. The sedimental sequences we used the results of the seismic transgressive system tract is distinguished in the 1st and 2nd waveforms classification, spectral decomposition, productive interval. The sand deposits of this system tract coherence, porosity and NTG (net-to-gross) volumes (Figure 1). ©...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427387
... interpretation of hydrocarbon saturation. Presentation Date: Tuesday, October 13, 2020 Session Start Time: 1:50 PM Presentation Time: 1:50 PM Location: 360C Presentation Type: Oral modeling expanded abstract spectral decomposition upstream oil & gas faulty seg international exposition...
Proceedings Papers
Nonconvex optimization-based inverse spectral decomposition
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214972
... ABSTRACT As a time-frequency analysis tool, inverse spectral decomposition (ISD) could be utilized to obtain a high-resolution time-frequency map via the inversion strategy. In established inversion function, an analytic signal is disintegrated as a coefficient matrix whose elements represent...
Proceedings Papers
Research and application of PS-wave data processing method based on high resolution spectral inversion
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215299
... characterization upstream oil & gas application spectral decomposition pswave data processing method high resolution processing algorithm Chai , X. , Z. Li , W. Han , et al., 2012 , Research of spectral inversion based on LSQR method : Geophysical Prospecting for Petroleum...
Proceedings Papers
Geological and geophysical investigation of CO2 storage site Smeaheia in the northern North Sea
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215406
... and overburden system. The upper Jurassic Sognefjord Formation is a potential CO storage formation overlain by the Heather and Draupne Formations considered to be the cap rocks in the Smeaheie area within the northern North Sea. In this study, we extracted spectral decomposition and similarity attributes...
Proceedings Papers
Seismic fault enhancement using spectral decomposition assisted attributes
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215703
... to the full-bandwidth seismic data. These resulting images may still be disappointing in the presence of strong seismic noise, or juxtaposition of relatively similar reflectors across a fault. We develop a seismic fault enhancement method based on spectral decomposition assisted attributes. Certain spectral...
Proceedings Papers
Identification and characterization of Delta Sand body techniques based on seismic physical modeling
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215882
... data is collected and processed and interpreted. The boundary of the sand body is identified by the conventional amplitude slice and spectral decomposition respectively. The results shows that amplitude slicing is more sensitive to lithology changes in the lateral direction of the sand body, while...
Proceedings Papers
Variations in depositional environments during the Pliocene epoch revealed by seismic attribute analysis in the offshore area of southwestern Taiwan
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216783
... ABSTRACT We utilized coherence, spectral decomposition, and seismic facies classification to study channel systems and depositional environments during the Pliocene epoch in the offshore area of southwestern Taiwan. The characteristics of channel systems, such as distribution, thickness...
Proceedings Papers
A novel approach for seismic time-frequency analysis
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3199116
... intelligence seismic data seg international exposition decomposition upstream oil & gas wavelet magnitude spectrum matrix machine learning magnitude slice novel approach time-frequency analysis spectral decomposition bayesian inference wvd gabor transform decomposed wavelet seismic time...
Proceedings Papers
Seismic attributes for reservoir characterization and porosity prediction in proglacial Upper Ordovician channels
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214724
... aramco upstream oil & gas seismic data thickness geometry seismic section porosity prediction seismic facies physical property classification frequency category seg international exposition spectral decomposition Aldakheel , M. , H. , Alghenaim , A. , Rees , F...
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