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Keywords: receiver
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426868
... model upstream oil & gas receiver geophysics ray path Refracted seismic waves recorded on Ocean Bottom Nodes (OBN) from all azimuths benefit from high Signal-to-Noise Ratio (SNR) and may provide important information about deepwater reservoirs, especially those below massive salt bodies...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426928
... representation that is particularly tailored to seismic data reconstruction. We determine the optimal acquisition geometry for the monitor survey via dimensionality reduction and QR factorization with column pivoting. Pivoting permits to determine the optimal source and receiver geometry for the monitor survey...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426961
... receiver exploration geophysicist 10 machine learning microseismic data processing experiment geophysics algorithm bayesian inversion upstream oil & gas hti medium perforation shot inversion artificial intelligence standard deviation media microseismic event velocity model seg...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3414684
... Time: 1:50 PM Presentation Time: 2:15 PM Location: 362D Presentation Type: Oral north sea receiver down-going wavefield geosolution upstream oil & gas up-and down-going wavefield exploration geophysicist 10 delft feedback model equation deconvolution deconvolution gary hampson...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3402490
... in eastern Finland. By applying seismic interferometry to the active-source data, we retrieve dominant surface waves between receivers that we use for surface-wave estimations. We then use this result and adaptively subtract the estimated surface waves from the original data. After a simple processing...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427004
..., October 13, 2020 Session Start Time: 8:30 AM Presentation Time: 11:25 AM Location: 360A Presentation Type: Oral well logging joint use reservoir characterization subsurface storage co 2 log analysis imaging monitoring co 2 receiver exploration geophysicist 10 arrival time seg...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427026
... the capabilities of this surface geometry inversion here with basic, preliminary examples. Presentation Date: Wednesday, October 14, 2020 Session Start Time: 8:30 AM Presentation Time: 11:25 AM Location: 351D Presentation Type: Oral reservoir characterization upstream oil & gas receiver...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427257
...:15 PM Location: Poster Station 5 Presentation Type: Poster phase velocity receiver exploration geophysicist 10 granite frequency sandstone geophysics fundamental mode reservoir characterization mode surface wave surface-wave analysis seg international exposition source-receiver...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424747
... timereversal. The optimization corrects for receiver geometry. Additionally, our method is able to handle variations in the source location. If we accurately know the location of a control point in the subsurface we can use the corresponding optimal weights to achieve super-resolved focusing in locations...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424845
... with lowcost acquisition is therefore an important practical consideration. We develop a compressive sensing-based acquisition using sparse and irregular receivers to meet the needs. We examine the influence of noise on Marchenko method, and demonstrate that reconstructing seismic data by using compressive...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424895
... – receiver configuration. These technologies can be classified as follows: 1) De-noising the vertical geophone gathers using all four components dataset is the critical pre-processing step for successful PZ summation. PZ summation with de-noised P and Z components mostly, separates up- and down-going...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425103
... We propose a receiver-extension approach to full waveform inversion, which, contrary to source-extension methods, can be used directly with a time-domain formulation. We introduce the receiver position as the extension parameter. We use a nested loop strategy to minimize the resulting misfit...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425140
... Presentation Time: 10:10 AM Location: 361F Presentation Type: Oral traveltime inversion kernel reservoir characterization receiver vti media computation sensitivity kernel kernel upstream oil & gas elastic media geophysics formulation elastic vti media stress tensor seg international...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427882
... Achieving desirable receiver sampling in ocean bottom acquisition is often not possible because of cost considerations. Assuming adequate source sampling is available, which is achievable by virtue of reciprocity and the use of modern randomized (simultaneous-source) marine acquisition...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427903
... approximation approximation upstream oil & gas stationary point crosscorrelation exploration geophysicist 10 frequency normalization interferometry geophysics crosscoherence nakata normalization receiver seg international exposition Pseudo arrivals generated by frequency normalization...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3416226
..., it was decided to test and select the optimum acquisition parameters (receiver, shot templates) with a survey design and modelling (SD&M) exercise and compare the results at the target horizons with the illumination generated by the NAZ streamer acquisition of 1992. Presentation Date: Monday, October 12...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428055
... international exposition propagation reservoir characterization wave imaging receiver exploration geophysicist 10 das vsp DAS VSP transmitted wave imaging 3D salt-boundary imaging with transmitted waves in DAS VSP data acquired in salt Yuting Duan*, Yingping Li, Maksym Kryvohuz, Albena Mateeva, Tianrun...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428084
... upstream oil & gas adjoint-state method subsurface parameter tomography artificial intelligence velocity model seg international exposition velocity perturbation reservoir characterization receiver application slope tomography eikonal solver exploration geophysicist 10...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427655
... multiples interfering with the primaries prevent creating a good reservoir image. In ocean-bottom seismic (OBS) acquisition, sources are near the surface while the receivers are deployed at the seafloor, giving two different datum in the process. This dual-datum poses a problem to using surface-related...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427957
... involve injecting alternating electric current into the Earth through long transmitter dipoles, and making measurements of the Earth’s response at an array of EM receivers. Historically, CSAMT data have been interpreted using readily available MT modeling algorithms, but this means using only the data...

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