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Keywords: reflector
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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-2023-3905103
... geophysicist inverted impedance applied geoscience impedance inversion geology reflectivity reflector american association High-fidelity Full Waveform Imaging via Impedance Inversion Feng Chen*, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song, BGP, Houston, Texas Summary We present...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3746119
... & gas permian society magnitude reservoir characterization ordovician american association energy 10 international formation permian paleo-valley silurian shale permian glacial paleo-valley identification exploration geophysicist thickness reflector estimation Permian glacial paleo...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3746207
... dipping target reflectors with better continuity and higher S/N. Compared with the legacy image, the latest drilling result has showed the seismic misties have been significantly reduced using interpretations based on the re-processed final image. interpretation big foot workflow society...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3729456
... united states government artificial intelligence upstream oil & gas north america government gpr 2 module deep-supervision module horizontal position exploration geophysicist reflector neural network machine learning imaging american association depth energy 10 applied geoscience...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750475
... quantification. We support our method with a realistic data example in which we quantify seismic imaging uncertainties using a Fourier neural operator surrogate, illustrating how variations in background models affect the position of reflectors in a seismic image. upstream oil & gas artificial...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750777
... to determine AVA. This approach naturally corrects for a multitude of other amplitude effects including reflector geometry and transmission losses, and it deals correctly with near-critical and post-critical reflections. FWI-based work-flows are consequently simpler than conventional work-flows, and AVA...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750200
... application of RFWI with wide-azimuth (WAZ) data to update subsalt velocity models in two areas in the Gulf of Mexico, which resulted in improved subsalt image, with better focusing of previously unresolvable steep salt welds. international reflector mexico reservoir characterization inversion...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3752821
... international vp-ip parameterization reflector amplitude mismatch parameterization waveform inversion mexico american association upstream oil & gas inversion reflection scatterer reservoir characterization expanded abstract exploration geophysicist application applied...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751992
... is determined by threedimensional elliptical positioning technology; finally, the accurate reflector size is obtained by combining the observation records at different angles. The results of numerical analysis show that the proposed method can hopefully solve the problem of bad geological body location...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594176
... or unresolvable by traditional seismic interpretation and inversion techniques. In this extended abstract, I demonstrate that sub-resolution shale break reflectors could be identified via a modified cepstral decomposition, “seismic resonance”. This decomposition is carried out in the depth domain to avoid...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594543
... reflector polarization migration polarization plane kirchhoff migration profile survey line reservoir characterization polarization information migration kirchhoff polarization migration modulation function 3D Kirchhoff polarization migration for tunnel geological prediction Wei Cai* and Peimin...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583216
... exploration geophysicist 10 reflector Reservoir characterization using DAS microseismic events Frantisek Stanek* and Ge Jin, Colorado School of Mines, Reservoir Characterization Project Summary inverting source mechanism of microseismic event detected by a single DAS fiber. However, monitoring can...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583965
... noise noise reflector In this study, we illustrate examples of complex imaging challenges from the Asia Pacific area, with a complex sea bottom overlaying thin and thick basalt layers. The subsurface geology is complex and for optimal imaging, there is a requirement for advanced, systematic...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594582
... reflector application central plane crystalline rock environment In hard rock environments, seismic reflection data are often acquired along crooked-line traverses leading to a poor signalto-noise ratio. Also, the crossline spread of midpoints violates the assumption of a straight-line survey...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3579752
... the frequency sweep of 10– 75 Hz 480 times a day. By stacking the DAS records for a day-long, we improved the S/N ratio by more than 20 dB. Using F-K filtering to separate down- and up-going arrivals and 2D and 3D migration of strong reflected-arrivals, we recognized the presence of an intense reflector at 2.8...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581132
...), with which, the multiples are first decomposed into different orders using the surface-related multiple elimination (SRME). Then, the amplitude change with incident angle for a specific-order multiple is measured based on a wavefield angle decomposition method. The dip angle of the reflector is obtained from...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582991
... petrophysical information full-waveform inversion inversion gas cloud gradient sava upstream oil & gas spatial probabilistic petrophysical constraint viscoelastic full-waveform inversion petrophysical data artificial intelligence penalty term reflector anomaly exploration geophysicist 10 well...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427961
...: Poster Station 5 Presentation Type: Poster louisiana investigation structural geology mississippi river amplitude upstream oil & gas false river seg international exposition point bar architecture inversion seismic reflector reservoir characterization correspond exploration...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425052
... In order to separate weak diffraction from specular reflection in the shot domain, we build the common virtual source gather (CVSG). For the reflection generated from the same reflector, it can be regarded as originating from one virtual source. According to this behavior, the reflection can...

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