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Journal Articles
SPE Form Eval 3 (02): 297–306.
Paper Number: SPE-14893-PA
Published: 01 June 1988
... exhibits two components of variation: a structural or systematic component and a random or noise component. In this context, the structural component may be correlated to identifiable geologic processes, whereas the random component covers all unexplained variations. These definitions, however...
Journal Articles
J Pet Technol 26 (06): 687–695.
Paper Number: SPE-4617-PA
Published: 01 June 1974
...Marvin B. Smith Here are general procedures for estimating probabilities in several exploratory and development drilling situations. The methods are based on Bayesian analysis of statistical samples, indirect probability estimation from random variables, and traditional probability principles...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 6–9, 1991
Paper Number: SPE-22744-MS
... below those of interwell spacing (660 to 1,330 ft).Geostatistical analyses of permeability measurements indicate varying permeability correlation at the different measurement scales. In all cases, however, approximately half of the permeability variability (variance) is due to locally random...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594792
... away from the well. © 2021 Society of Exploration Geophysicists 10.1190/segam2021-3594792.1 First International Meeting for Applied Geoscience & Energy Page 2119 Spectral Extrapolation and Random Forest A) Workflow The phase-calibrated seismic data are input to the Spectral Extrapolation, and the well...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12156-MS
... that this instrument and its protocol could be used in periodic or random first and third party assessments of marine operations in determining compliance with the International Safety Management Code and ultimately in developing reasonable mitigation measures and management strategies for addressing identified...
Proceedings Papers

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-2022-3742245
... are used in the conventional random sequence as shown in Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3742245.1 © 2022 Society of Exploration Geophysicists and the American Association of Petroleum Geologists Page 86 Dither scheme design and application for marine blended...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583309
...-3583309.1 First International Meeting for Applied Geoscience & Energy Page 226 Stochastic simulation and inversion method based on random medium theory and gradual deformation algorithm ( )S Z kx ) 2 Ss kx ) 2 / S 2 + (4) Among them, si represents simulated seismic record, si obs Considering...
Proceedings Papers

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-2022-3736128
.../image2022-3736128.1 © 2022 Society of Exploration Geophysicists and the American Association of Petroleum Geologists Page 2361 References Al-Dossary, S., Y. E. Wang, and M. McFarlane, 2014, Estimating randomness using seismic disorder: Interpretation, 2, SA93 SA97, doi: httpsdoi .org/10.1190/INT-2013-0088.1...
Proceedings Papers

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-2022-3750886
... of Petroleum Geologists Page 2892 Seismic random noise attenuation via DIP where f denotes the network with the parameters . The symbol n and y denote the Gaussian input noise and the output noisy data. When the training is finished, we can obtain the optimized parameters * . The denoised data can...
Proceedings Papers

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-2022-3750404
... remove random noise and retain effective signals. Theory and Method Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3750404.1 © 2022 Society of Exploration Geophysicists and the American Association of Petroleum Geologists Page 2962 Application of improved shearlet...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996177
... introduced by scheduling these surveys. Presentation Date: Wednesday, October 17, 2018 Start Time: 1:50:00 PM Location: 210C (Anaheim Convention Center) Presentation Type: Oral source vessel annual meeting time dither noise minimum randomness interference shot scheduling separation time...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3205284
... of 3680in3, the full fold was 120, and other parameters were the same. The regulation of the Dual-source Random Shooting is the 2 source shot random but not in same time near the shot- point. 10.1190/segam2019-3205284.1 Page 288 © 2019 SEG SEG International Exposition and 89th Annual Meeting The First Marine...
Proceedings Papers

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-2022-3745551
... for Applied Geoscience & Energy 10.1190/image2022-3745551.1 © 2022 Society of Exploration Geophysicists and the American Association of Petroleum Geologists Page 2957 Random and coherent noise suppression Method The frequency-wavenumber domain has been commonly used for denoising since it has a prominent...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426292
...-promoting inversion method. In the synthetic model, the irregular random sampling data with a receiver interval of 12.5m is reconstructed. Although the reconstruction result has a small error, the reconstructed record can provide a space bandwidth without spatial alias. In the field data test, we...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13877269
... region s probability distribution. The improved process for implementing PSO is as in Algorithm 2. Algorithm 2 Improved PSO 1: Initialize a population array of particles with random Page 3810© 2016 SEG SEG International Exposition and 86th Annual Meeting positions and velocities on D dimensions...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584024
... Sparse thresholding algorithms are useful for interpolating data acquired with random spatial sampling pat-terns because the sampling creates incoherent aliasing artefacts that are lower in amplitude than the underlying signal. Regular sampling patterns, on the other hand, create coherent...
Proceedings Papers

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-2022-3750435
... Noise suppression is always a vital procedure in seismic data processing. Under the Gaussian distribution assumption, conventional sparsity-based methods are highly practical and effectual in dealing with random noise. Nevertheless, the field data are always contaminated by erratic noise...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3593878
... achieve the resolution of The prediction of Paleogene reservoir in BoHai area is the logging, but in the case of less well location, the horizontal difficulty and key of oil and gas exploration and resolution is low, and the randomness is strong. In view of development. The Paleogene drilling...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5736502
... that the continuity and smoothness of the denoised slice section is very good. These illustrate that sparse and redundant representation method can preserves more useful events and at the same time attenuates the random noise to the same extent. (a) SEG New Orleans Annual Meeting Page 4695 DOI httpdx.doi.org/10.1190...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998553
... and is given by = 0 . 10.1190/segam2018-2998553.1 Page 2161 © 2018 SEG SEG International Exposition and 88th Annual Meeting Seismic facies classification using random forest algorithm Feature importance Selecting appropriate features is important in machine learning algorithms. Some features are more...

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