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Keywords: bandwidth
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909863
.... geologist reservoir characterization international imaging nfh vibrator marine vibrator bandwidth extending seismic bandwidth energy 10 upstream oil & gas signature american association society wavefield geology subsurface imaging hydrophone exploration geophysicist applied geoscience...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3911539
... be used for providing a high-resolution image. Here we will show a high-resolution depth image in the Campos Basin off the coast of Brazil, as well as a processing flow and technology that result in a higher bandwidth compared to a standard flow. brazil government geologist structural geology...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745686
... Dense spatial sampling (∼1m) and low signal-to-noise ratio (SNR) are typical features of distributed acoustic sensing (DAS) data. We have developed a wavelet stacking method to attenuate DAS noise without compromising data bandwidth. Wavelet stack consists of two steps, adaptive nonlinear...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749351
... Structural and stratigraphic interpretations are often limited by seismic resolution. Reservoir characterization is also highly dependent on the quality and resolution of the seismic. Here we describe a post-imaging inversion method for broadening the seismic bandwidth. The method was inspired...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750724
.... reservoir classification structural geology machine learning mississippian reservoir artificial intelligence amplitude spectrum spectral bandwidth upstream oil & gas reservoir characterization resolution enhancement facies classification american association exploration geophysicist...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750072
... be incorporated in the inversion. Finally, these features of AVO inversion in long time windows are also demonstrated on real data. inversion time-variant wavelet american association reservoir characterization bandwidth applied geoscience wavelet exploration geophysicist linear inversion...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750706
.... Untested potential remains in the extensive Jurassic to Lower Cretaceous carbonate shelf-edge platform which influences the basin geometry through to present day. Improvements in signal processing allow for cleaner, broader bandwidth datasets to be output. Modern demultiple techniques such as MWD...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583948
..., this method can not In the field of geophysical prospecting, the finite- reach the largest bandwidth in the same error limitation. He difference (FD) method has always been an important et al. (2018) modify the near-zero wavenumber condition numerical simulation algorithm. In order to suppress the during...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584005
... method, where a k-fold test was used to data, we determine the spatial window size and parameters assess the quality of the interpolation result for a range of related to the spatial bandwidth of the data. The automation parameters, allowing an optimum parameter set to be is based on mechanisms...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3563438
... characterization production logging distributed acoustic sensing receiver spectral ratio method production control upstream oil & gas sensitivity das synthetic estimation das data bandwidth gauge length correction velocity zone reservoir surveillance attenuation frequency bandwidth sensor...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594781
... Natural source electromagnetic surveys are today routinely performed from airborne platforms but limitations in measured components or bandwidth set margins to exploration depth and resolution. Utilizing new quantum sensor systems with a purpose-built suspension and accompanying motion...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581183
... Broadening the bandwidth of seismic data to a lower frequency can be very beneficial for seismic exploration. Conventional vibroseis are constrained, both mechanically and hydraulically, and as a result can transmit only limited force into the ground at low frequencies. Low-dwell vibroseis...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582957
... One issue that can be found when working with seismic data is the lack of temporal resolution, which complicates the geological interpretation. One way to alleviate this issue is by means of the so-called frequency enhancement techniques, whose main goal is to widen the data original bandwidth...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427808
... This paper reviews the impacts of the new low earth orbiting (LEO) satellite system known as Starlink being launched by SpaceX on the work flows currently deployed in the global geophysical data acquisition industry. The low latency high bandwidth LEO satellite system will offer the entire...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428398
... acquisition repeatability and the frequency bandwidth of the useful seismic signal at target level are improved. Since the low frequency part of the seismic signal has a direct impact on the reliability of seismic amplitude inversion, this has led to improving relevant 4D resolution which is crucial during 4D...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426292
... According to the theory of compressive sensing, irregular subsampling seismic data can be reconstructed in some sparse domains by sparsity-promoting inversion method. In this paper, the spatial bandwidth of synthetic model data and field data is analyzed in the Curvelet domain by using sparsity...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3212028
... Presentation Type: Poster quantitative evaluation method frequency bandwidth snr snr spectrum noise seismic data outcome data amplitude spectrum upstream oil & gas resolution evaluation method accuracy evaluation evaluation method resolution reservoir characterization effective...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214588
... ABSTRACT As a seismic wavelet is band-limited, the resolution of seismic data is also limited. Extending the bandwidth of a seismic signal is an important way to improve the resolution of seismic data. In this abstract, we extend the bandwidth of seismic data via a harmonic prediction scheme...

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