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The AAPG/Datapages Combined Publications Database
Showing 16,557 Results. Searched 195,364 documents.
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
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
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
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
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
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
Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging
G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki
Indonesian Petroleum Association
... - IM image (top) and comparison of gathers from imaging with multiples (middle, function of angles) vs primaries (bottom, function of offset...
2014
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... like primaries. Inverse Q filtering compresses the wavelet-shape on reflection events, either primaries or multiples. Figure 3. Velocity panel...
2004
Reprocessing the East Coast Canada Stonehouse Survey with 3D SRME and Hybrid Layer Tomography PreSDM; #41549 (2015)
Todd Mojesky, Ali Karagül, Bill Goodway, Chris Szelewski, Martin Dashwood
Search and Discovery.com
...” multiples (whose apparent moveout could be faster than those of the primaries), and large time distortions even “busts”, on primary events...
2015
Abstract: Practical Examples of the Implementation of Surface Related Multiple Elimination for Land Data; #90286 (2017)
Philip J. Thompson
Search and Discovery.com
.... Dip filtering requires dip discrimination, and Radon-based methods are limited by moveout discrimination. If the difference between primary...
2017
Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)
M. Hernandez, K. Innanen, and J. Wong
Search and Discovery.com
... of the utilization of physical model was to obtain high quality low noise seismic data, with clear and strong primaries and, internal multiples in order to test...
2014
U-net based primary alignment
Ricard Durall, Ammar Ghanim, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... processing workflows. Misalignments are mainly caused by inaccuracies in the velocity model. Traditional approaches to event flattening typically involve...
2023
ABSTRACT: Multiple suppression by the CRS technique; #90051 (2006)
Juergen Pruessmann, Martin Tygel, Fernando Gamboa, Radu Coman
Search and Discovery.com
..., Burgwedelerstr. 89, Isernhagen HB, 30916, Germany. Multiple suppression generally relies on the filtering of multiples if their kinematic behaviour...
Unknown
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... in the middle between two primary bounces; secondly it fails to mitigate the strong cross-talk between surface multiples of different orders. To better separate...
2019
Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)
Peter Whiting
Geological Society of Malaysia (GSM)
... for multiples. The addition of a 3D zero-offset time migration after DMO (often using the same simple velocity field as used for DMO) helps avoid...
1996
ABSTRACT: Model-Driven Land Multiple Suppression - the Third Generation; #90051 (2006)
Weihong Zhu, Khalid Alrufaii, Panos Kelamis
Search and Discovery.com
... noise, and residuals of both the primaries and the multiples. The multiple energy is suppressed using a multi-step process beginning...
Unknown
Model-Driven Land Multiple Suppression - the Third Generation
Search and Discovery.com
N/A
Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)
Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang
Geological Society of Malaysia (GSM)
..., which is also clastic but has a faster velocity. As a consequence, there is a high velocity contrast between group one and group two. Group three...
2008