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Keywords: spectra
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Proceedings Papers
Analyzing the impact of additive and multiplicative noise on seismic data analysis
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-2024-4086176
... the complexities of multiplicative noise. geologist economic geology noise amplitude multiplicative noise phase perturbation reservoir characterization perturbation frequency domain geological subdiscipline additive noise time domain amplitude spectra exploration geophysicist residual phase...
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
Accurate seismic data interpolation based on multiband intelligent training
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3916060
... characterization accuracy international figure 3 tongtong mo state key laboratory interpolation accuracy spectra wang applied geoscience wavenumber Accurate Seismic Data Interpolation Based on Multiband Intelligent Training Xueyi Sun*, Benfeng Wang, and Tongtong Mo State Key Laboratory of Marine...
Proceedings Papers
Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3917376
... international american association artifact upstream oil & gas characteristic miller spectra frequency reservoir characterization applied geoscience deconvolution energy 10 society Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key Richard D. Miller,* Kansas...
Proceedings Papers
Milankovitch paleoclimatic, tectonic, and sedimentary signals in late Permian-Early Triassic fluvial-lacustrine records, Bogda Mountains, NW China
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-2022-3745387
... spectra sandstone facies Milankovitch paleoclimatic, tectonic, and sedimentary signals in late Permian-Early Triassic fluvial-lacustrine records, Bogda Mountains, NW China Wentao Zhang* and Wan Yang, Missouri University of Science and Technology Summary Non-marine cyclostratigraphic records...
Proceedings Papers
Enhancing low frequencies in airgun arrays, analysis of various field tests
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-2022-3745670
... from our field experiments and show that we achieved (partial) frequency locking with a 70% increase in effective bubble volume for a 2-cluster scenario and a 95% increase for a 3-cluster scenario, respectively. Furthermore, spectra from inverted near field hydrophone recordings are verified...
Proceedings Papers
The development of novel density sensors using GEANT4: A particle physics simulation toolkit
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-2022-3745905
... for the development of a density tool for mineral exploration. instrument configuration applied geoscience detector energy 10 simulation exploration geophysicist spectra limitation reservoir characterization geant4 interaction toolkit sensor upstream oil & gas particle american association...
Proceedings Papers
Development of offshore microtremor array exploration
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-2022-3746120
... so far. reservoir characterization exploration geophysicist american association inversion investigation obss spectra seafloor society exploration summary japan international applied geoscience spectrum diagram atom upstream oil & gas development frequency microtremor...
Proceedings Papers
Quantitative studies of distribution and phase of shale oils in nanoscale pore space for the Qingshankou Formation in Songliao Basin of China
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-2022-3746853
... in free and absorbed states were quantified by using sequential extraction, and shale pore structure in different extraction stages was analyzed by using low temperature nitrogen adsorption (LT-N 2 ), Nuclear Magnetic Resonance (NMR) T 1 -T 2 and T 2 spectra. Finally, the quantitative characterization...
Proceedings Papers
Full phase-velocity spectrum inversion of multimode Rayleigh waves
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-2022-3746588
... shift method is employed on the multiple-channel records to obtain the dispersion spectrum. We propose a new way of using Wasserstein distance (WD) as objective function to evaluate the difference between experimental and theoretical spectra. We utilize a Bayesian optimization (BO) framework to invert...
Proceedings Papers
Premigration attenuation analysis and mapping to image domain by weighted migrations
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-2022-3750587
.... If required, the CIP gathers of t * so mapped can be used in tomography to invert for more general Q models. reservoir characterization tomography traveltime mapping equation equation society international mapping spectra chevron summary attenuation migration exploration geophysicist...
Proceedings Papers
Incorporating estimates of data covariance in elastic FWI to combat random and correlated noise
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-2022-3749878
... estimates in FWI appears to be stable, and to have a strong positive impact especially for correlated data noise. iteration misfit artifact american association reservoir characterization spectra inversion frequency noise fwi estimation international upstream oil & gas covariance...
Proceedings Papers
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
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-2022-3750072
... 10 international web-avo inversion background reservoir characterization bandwidth applied geoscience spectra wave-equation-based inversion synthetic society Wave-equation based amplitude vs. offset inversion in long time windows, with time-variant wavelets A. Gisolf* and P.R. Haffinger...
Proceedings Papers
South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset
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-2022-3751513
... valley. This caused special challenges for the seismic data processing and pre-stack elastic inversion. We will be discussing these issues and how we solved them in this publication. inversion challenging acquisition applied geoscience spectra tomography acquisition exploration geophysicist...
Proceedings Papers
Scaling up to city-wide dark-fiber seismic arrays: Lessons from five years of the Stanford DAS array project
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-2021-3594539
... array earthquake karrenbach artificial intelligence expanded abstract scaling infrastructure fiber cable interferometry exploration geophysicist 10 das data das array production logging applied geoscience surface wave biondi application spectra Scaling up to city-wide dark-fiber...
Proceedings Papers
Targeted noise removal by seismic time-frequency masking (STFM) and minimum statistics approach
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-2021-3581846
... amplitude estimation reservoir characterization enhancement exploration geophysicist 10 noise cmp gather beamformed data applied geoscience original data statistics spectra spectrum frequency minimum statistics phase correction irm phase spectra Targeted Noise Removal by Seismic Time...
Proceedings Papers
Optimizing distributed acoustic sensing (DAS) acquisition: Test well design and automated data analysis
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3419338
... seismic profile datasets with precision timing from common energy sources. An algorithm for automatic extraction of signal and noise spectra from these data has been developed to quantitatively characterize the effect of gauge length and leading cable length on the signal-to-noise ratio (SNR). Monday...
Proceedings Papers
Seismic data enhancement and targeted noise removal using time-frequency masking guided by beamformed data
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3420095
... are of paramount importance to heal the wavefield and make desired events coherent and trackable. Amplitude masks aim to suppress noise from the amplitude spectra. Introduced methods avoid smearing of amplitude information across channels and preserve frequency bandwidth of desired signals. Presentation Date...
Proceedings Papers
Ultra-high frequency reflections using an electromagnetic driven seismic vibrator
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3422219
... vibrator reservoir characterization seismic vibrator seismic source seg international exposition upstream oil & gas sh-wave section exploration geophysicist 10 microvibe ivi minivib spectra image underground structure ultra-high frequency reflection Ultra-high frequency reflections using...
Proceedings Papers
Inverse Q sweep signal for broadband Vibroseis acquisition
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426488
... and phase spectra in broad frequency bandwidth. It is possible to preliminary construct and emit such sweep signal, which precedes following propagation effect depending on the Earth Q factor, thus provide higher S/N ratio for better further signal processing efforts. The purpose of this work...
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