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The AAPG/Datapages Combined Publications Database

Showing 15,868 Results. Searched 191,775 documents.

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A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

...; however, this required the use of an aggressive mute due to the lack of velocity discrimination between primaries and multiples, especially...


Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example

Abdul Rahim Md Arshad, Deva Ghosh

Geological Society of Malaysia (GSM)

...Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example Abdul Rahim Md Arshad, Deva Ghosh EatamahShaImaahR...


MWD for Shallow Water Demultiple: A Hibernia Case Study, #41294 (2014)

Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, Yvonne Paisant-Allen

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...-period multiples in shallow water. However, predictive deconvolution by nature attenuates periodic events, without differentiating between primaries...


Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

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... of multiples with Radon transform is dependent on the velocity difference between primaries and multiples. If the difference is too small, Radon...


Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)

Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods

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... based on two distinct structural and environment of the geology between multiples and primaries present in the post-stack data. Internal multiples over...


The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... moveout between the primaries and the multiples. "" ISl f\) ISl f\) Figure 2: Wireline logs. 1600 9000 ISl w f\) ISl f\) ISl (SJ d...


Extended Abstract: Multiple Attenuation Research

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... which do not rely on a velocity discrimination between multiple and primary events. A general approach called by the group 'wavefield transformation...


Broadband Seismic Technology and Beyond: Part V: PGS's GeoStreamer „ A Double Win

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... as source wavefield. Imaging from multiples (dashed circles) has a greater extent of illumination than imaging from primaries (solid circles). (B) To image...


Abstract: MWD for Shallow Water Demultiple: A Hibernia Case Study; #90174 (2014)

Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, and Yvonne Paisant-Allen

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..., primarily due to cross-talk between multiples. Once the water-layer-related multiples are removed by MWD, SRME can then be applied to predict...


A New Method of Multiple Attenuation: Multiple Identification and Subtraction

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... identified patterns (primaries and multiples) into the Radon domain (t-v), we obtain the Radon transform without resolution problem. The difference between...


CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

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..., and, in general, there is no domain, neither time, depth, nor pre or post migrated, where multiples and primaries can be simplified simultaneously. Conventional...


Abstract: A New Method of Multiple Attenuation: Multiple Identification and Subtraction (II); #90171 (2013)

Wen-Jing Wu

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... signal. In the new method we identify and preserve primaries with AVO signal based on above representations and identify and remove multiples...


Work Processes to Mitigate Interpretation Pitfalls in Areas of Severe Seismic Multiples

Carl E. Helsing, Jesse Shaw

Indonesian Petroleum Association

... SEISMIC MULTIPLES Carl E. Helsing* Jesse Shaw* ABSTRACT The combination of a hard seafloor and subsequent velocity inversions in the deep water areas...


Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... the classic far offset illumination gaps modeled using primary-only reflections. Higher order multiples will illuminate the area between adjacent sail-lines...


Abstract: Robust Multiple Attenuation Workflow and Flexible Anisotropic Tomography for Better Imaging. Shallow Water Case Study, Gulf of Suez; #90319 (2018)

Ahmed Khaled Ali, Mahmoud Ahmed, Matthias König, Tillmann Roth, Ivica Mihaljevic, Sameh Abdel-Basset, Mahmoud Ouda, Wessam Saleh, Tarek El-Melegy, Hesham Abu El-Saad

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... of Suez, the separation between primaries and multiples becomes more difficult. The water bottom reflection is either not recorded at all or recorded...


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...


Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)

Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau

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... operator by extrapolating its reflections (primaries and multiples) forward in time. The predicted multiples have amplitudes compared with the input data...


Abstract: Land Demultiple without Velocity Discrimination: Tau-P Deconvolution on High Fold Desert Data; #90211 (2015)

Qiang Li and Shelton Hubbell

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... as across a seismic survey program. Many demultiple tools utilized in land seismic processing require velocity discrimination between primary and multiple...


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...


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...


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