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The AAPG/Datapages Combined Publications Database

Showing 16,557 Results. Searched 195,354 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...

2000

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...

2017

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

Search and Discovery.com

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

2014

Abstract: Initial Wavelet Estimate of EPSI in Shallow Water; #91204 (2023)

Rob Hegge, Rolf Baardman, Roald van Borselen

Search and Discovery.com

... with primaries (and internal multiples). An inversion approach, such as Estimation of Primaries by Sparse Inversion (EPSI), is one of the few methodologies...

2023

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

Juefu Wang and Shaowu Wang

Search and Discovery.com

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

2014

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

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

Search and Discovery.com

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

2015

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...

1988

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...

1995

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...

2013

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... show most of the internal multiples generated between the seafloor and Horizon 6 interval. Synthetic seismic comparison between primaries (track 3...

2023

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

Search and Discovery.com

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

2014

A New Method of Multiple Attenuation: Multiple Identification and Subtraction

Search and Discovery.com

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

2013

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

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

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

2015

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

Wen-Jing Wu

Search and Discovery.com

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

2013

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...

2012

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...

2013

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

Search and Discovery.com

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

2018

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

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

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

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