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Keywords: deconvolution
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101216
.... Given their complementary attributes, MWD and SRME are often both employed to predict multiples in deep water OBN surveys, followed by simultaneous least squares adaptive subtraction. Another category of techniques, known as deconvolutional methods, exclusively leverages data within the node itself...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101312
... geologist geological subdiscipline flexure exploration geophysicist reservoir characterization potential field applied geoscience & energy 10 ambiguity altitude inversion gravity data deconvolution interpretation geophysical prospecting information geophysics application Assessing...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4095553
... Surface-consistent deconvolution is a technique used in seismic data processing to remove the effects of the seismic wavelet in a surface consistent manner and the instrument response from the recorded data. It is designed to maintain the integrity of surface properties by taking into account...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4096094
... Multidimensional deconvolution (MDD) is a notoriously ill-posed inverse problem. A factorization-based, symmetric low-rank approximation of the unknown Green’s function has recently been proposed as a way to naturally regularize MDD and reduce the number of unknown parameters in the solution...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100127
... The paper introduces a novel methodology utilizing a bidirectional Long Short-Term Memory (LSTM) neural network for seismic data deconvolution. By training the network on synthetic seismic traces, it achieves consistent and accurate deconvolution results without requiring model retraining...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909982
... Seismic deconvolution encounters problems of multiplicity and instability. The regularization technique based on various prior knowledge is used to constrain the range of solutions and improve the stability of deconvolution results. We use dictionary learning as a technical means to consider...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3913942
... with this advanced acquisition design. We also detail and emphasize the estimation of the source signature for accurate and effective sweep deconvolution. vibrator reservoir characterization frequency-dependent spatial applied geoscience upstream oil & gas spatial signature geology marine vibrator...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3917376
... inclusion of pre-correlation processing steps, including vibroseis whitening, time-variable filtering and analysis of deconvolution with ground force compared to correlation with the synthetic or drive. Nonlinearities in source energy and transient noise associated with the mechanical/fluid drive system...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3917060
... upstream oil & gas artificial intelligence economic geology american association united states government reservoir characterization acquisition wavelet distortion deconvolution applied geoscience petroleum geology geological subdiscipline exploration geophysicist international inversion...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3901154
... Among other advantages, multicomponent seismic data acquired at the sea floor facilitate the separation of up- and downgoing wavefields. These separated components can then be used to reveal an estimation of subsurface reflectivity. The most used methods are up/down deconvolution, which uses...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3906829
... Wave-equation-based seismic processing algorithms have been developed over the years with the aim of handling the 3D, full-wavefield nature of seismic waves. Multi-Dimensional Deconvolution (MDD) is one of such algorithms, commonly used to remove overburden-related effects from up/down separated...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3895894
... wide applications for largescale imaging problems. Using the point-spread function (PSF) deconvolution, we present an efficient highresolution Gaussian beam imaging method. The PSFs are first computed on a coarse grid using local Born modeling and Gaussian beam migration. Then, we interpolate the PSFs...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3737740
...: observation system definition, preprocessing, first arrival picking, static correction, amplitude compensation, deconvolution, wavefield separation, velocity analysis and imaging. According to the characteristics of offshore 3-D VSP downgoing multiples, the offshore 3-D VSP downgoing multiple imaging...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3744979
... by separate source-side deghosting and demultiple. We have recently adopted the combination of up-down wavefield separation with up/down deconvolution or downgoing wavefield deconvolution as an alternative due to the simplicity of the process and the high quality of the results. In this paper, we review up...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745244
... Multi-Dimensional Deconvolution is a data-driven method that is at the center of key seismic processing applications - from suppressing multiples to inversion-based imaging. When posed in an interferometric context, it can grant access to overburden-free seismic virtual surveys at a given datum...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3744945
... Free-surface multiple prediction of land data is challenging due to the unknown downward reflecting free-surface combined with poorly sampled recording of the shallow multiple generators. We use a wave-equation deconvolution approach to derive an image of the shallow multiple generators using...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745608
... Deconvolution is a common method to improve the resolution of seismic images in process of surface seismic. The key to deconvolution is to calculate operator of deconvolution. Seismic data is affected by resolution and signal-to-noise of itself. So it’s hard to get an accurate operator...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745669
... shear waves due to the scattering in the shallow subsurface, a good Vz noise removal is crucial for better P/Z calibration, wavefield separation and deconvolution. Most importantly, a better wavefield separation will in turn improve the quality of the seismic images. This paper will present a novel...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749351
... deconvolution bandwidth Seismic super resolution method for enhancing stratigraphic interpretation Chengbo Li*, Qingrong Zhu and Baishali Roy, ConocoPhillips Summary Structural and stratigraphic interpretations are often limited by seismic resolution. Reservoir characterization is also highly dependent...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3748507
... applied geoscience international exploration geophysicist deconvolution inverted reflectivity lateral continuity american association correlation coefficient energy 10 figure 4 reflectivity inversion geophysics dip figure 2 Seismic re ectivity inversion via a regularized deep image prior...

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