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The AAPG/Datapages Combined Publications Database
Showing 17,696 Results. Searched 200,357 documents.
Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin
Jo Firth, Mark Stanley
Petroleum Exploration Society of Australia (PESA)
... discrimination and removal problematic. The characteristic impedance variation within the carbonates also produces interbed multiples, further...
2016
Abstract: Progress in Multiple Attenuation with Land Seismic Data in the Sultanate of Oman: Examples of Wave-Equation Deconvolution; #91204 (2023)
Najla AlObaidani, Tahar ben Youssef, Rahma Al-Harthy, Gregory Culianez
Search and Discovery.com
..., a sequence of relatively thin near-surface sedimentary layers, which alternate between hard and soft materials, produces a curtain of multiples that obscure...
2023
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)
Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau
Search and Discovery.com
... operator by extrapolating its reflections (primaries and multiples) forward in time. The predicted multiples have amplitudes compared with the input data...
2010
3D Multiple Attenuation for a Deep Reservoir Case Study
Search and Discovery.com
N/A
Abstract: Land Demultiple without Velocity Discrimination: Tau-P Deconvolution on High Fold Desert Data; #90211 (2015)
Qiang Li and Shelton Hubbell
Search and Discovery.com
... as across a seismic survey program. Many demultiple tools utilized in land seismic processing require velocity discrimination between primary and multiple...
2015
Time-Domain High-Resolution Radon Transform (Geophysics Paper 4)
Michel Schonewille, Peter Aaron, Carl Notfors
Geological Society of Malaysia (GSM)
... separation between multiples and primaries. A commonly used version of the prediction approach is the so called SRME technique, where surface related multiples...
2008
Nightmare Multiples — A Step Towards a Solution
George Yao, Bob Estill, Daniel Heinze, Hans Tieman, Yusri, Jim Waugaman
Indonesian Petroleum Association
... demultiple approaches is that the model of the multiples and/or primaries is only crudely known. With the now-frequent application of prestack depth...
2003
High resolution imaging using multiples A North Sea case study
Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko
International Meeting for Applied Geoscience and Energy (IMAGE)
... a methodology to image primaries and surfacerelated multiples simultaneously. This approach has the advantages of reduced cycle time (no need for explicit...
2024
Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)
Keith Wilkinson, Richard Bale, and Ken Gray
Search and Discovery.com
...., 1992). The fundamental idea is that multiples can be predicted by cross-convolving the primaries with the data. Moreover the primaries can...
2015
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation, Ferreira, Patrícia P.; Cetale Santos, Marco Antonio; Landau, Luiz, #90100 (2009)
Search and Discovery.com
2009
Phase-encoded waveform inversion for multiples
Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the iteration process. Liu et al. (2020) developed an algorithm that utilizes multiples in velocity updating to counteract the interferences between...
2022
-- no title --
user1
Search and Discovery.com
... and Full-Waveform Inversion indicated the main velocity contrasts responsible for generating interbed multiples. Using corresponding intervals...
Unknown
Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data
Liwei Cheng, James Simmons, Ali Tura
International Meeting for Applied Geoscience and Energy (IMAGE)
... methods using primaries and freesurface multiples, respectively. Note that the count of the reflection points changes with the velocity, depth interval...
2022
Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)
Pan Pan and Kris Innanen
Search and Discovery.com
..., filtering methods use differential moveout between primaries and multiples that are separated in the f-k, -p, or Radon domains. These filtering...
2015
Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT
Peter Embree, John P. Burg, Milo M. Backus
AAPG Bulletin
.... In areas where a normal-moveout contrast exists between primaries and multiples, the technique may be used for wide-band multiple-attenuation...
1963
Marchenko redatuming and seismic interferometry based internal multiple prediction for salt structures
Zhiwei Gu, Jianhua Geng, Ru-Shan Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... (Thorbecke et al., 2021) and excludes internal multiples from primaries. This method does not require multiples to be predicted in advance and retrieves...
2023
Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China
John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... into account all internal multiples, multiple mode conversions, transmission effects and primaries over the target interval. It will honor...
2022
Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons
B. S. Flowers
AAPG Special Volumes
... eliminate the multiples, but only if there is sufficient velocity separation in the earth between multiples and primaries. Even with a sufficient...
1976
Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution
Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi
International Meeting for Applied Geoscience and Energy (IMAGE)
... and continuing into primaries and various orders of multiples and ghosts (Figure 1). The upgoing wavefield (U) includes primaries and multiples, while...
2023
Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)
Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa
Search and Discovery.com
... 2OPERA, Pau, France Abstract The removal of multiples energy on seismic data has been a major issue on many datasets worldwide. The primary advantage...
2015
Multiple prediction and removal via zero offset SRME: a case study from the Tarim Basin
Yalin Li, Haijun Yang, Gengxin Peng, Duoming Zheng, Ruirui Zhao, Chuanwen Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... structures or properties, and does not use seismic event properties to discriminate multiples and primaries. But unlike conventional 3D-SRME methods, the zero...
2024
Leveraging legacy data: An onshore reprocessing case study from eastern Australia
Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry
International Meeting for Applied Geoscience and Energy (IMAGE)
... generators, (2) synthetic primaries only, (3) synthetic multiples only, (4) synthetic primaries with multiples; C) multiple velocity as a function...
2022
Internal multiple elimination with an inverse-scattering theory guided deep neural network
Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
... a deep neural network to achieve faster convergence with a reduced cost, which can be used to separate primaries and multiples. Qu et al. (2021) developed...
2022
Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems
B. S. Flowers
AAPG Bulletin
... in the earth between multiples and primaries. Even with a sufficient velocity separation, however, dips of the multiple generators may in some cases...
1976
Wavelet Processing
Lee Lu
Indonesian Petroleum Association
... is a process to take advantage of differential moveout between primaries and multiples to remove multiple, reflections from common depth point gather...
1978