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The AAPG/Datapages Combined Publications Database

Showing 16,560 Results. Searched 195,387 documents.

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Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

..., a necessary part of the wavefield separation process. The downgoing primaries and multiples as well as the upgoing primaries and multiples can be clearly...

1989

An adaptive filter-based approach for the Marchenko multiples elimination scheme

Rodrigo S. Santos, Marcelo S. Souza, Daniel E. Revelo, Victor Koehne, Reynam C. Pestana, Diego F. Barrera, Laila D. L. Vergne, Jonathas Maciel

International Meeting for Applied Geoscience and Energy (IMAGE)

...-processing in the seismic data. Despite the success of the MME in eliminating internal multiples without velocity model information in this example...

2023

Image Enhancement Below the pre

Search and Discovery.com

N/A

North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia

Andreas T. Waluyo, Michael I. Challis

Indonesian Petroleum Association

... as the primaries and with very little normal moveout (NMO) velocity difference. Too strong an application of demultiple processes could potentially destroy...

2008

True-Azimuth 3D Surface-Related Multiple Elimination

Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... Introduction in the data, multiples at the free-surface are The im plementat ion of the true-azimuth predicted via a convolution process of 3D ultiple...

2009

Pitfalls in Seismic Interpretation

Paul M. Tucker, Howard J. Yorston

Pacific Section of AAPG

... the refraction first kicks which will often show a coincidence between near-surface velocity anomalies and subsurface structure. But with CDP shooting...

1972

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... the subsurface geology between the water bottom and target horizons is complex with faulting, channeling, and occasional gas pockets. All these conditions...

2010

Abstract: 3-D Surface-wave estimation and separation using an iterative closed-loop approach; #90254 (2016)

Tomohide Ishiyama, Gerrit Blacquiere

Search and Discovery.com

... Delft University of Technology, Delft, NETHERLANDS ABSTRACT Surface waves in seismic data are often dominant and mask primaries in land or shallow...

2016

Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

... modeling at well locations is done. This may be full wave reflectivity modeling (in which primaries, converted waves and multiples are all modeled...

2014

Integrated Approach to Overcome Marginal Field Challenges and Extend the Field Life

Hasrony Maridhona, Marwa Al Harthy, Aisha Mubarak Al-Badi, Anam Al Balushi

Indonesian Petroleum Association

... multiples in order to retrieve real geological structure masked by multiple. This method is useful because of the high dip difference between...

2019

High Frequency Full Waveform Inversion as an Interpretation Solution

Laurence Letki, Matt Lamont, Troy Thompson

Australian Petroleum Production & Exploration Association (APPEA) Journal

...), have therefore become a lot more practical. FWI uses the entire wavefield, including refractions and reflections, primaries and multiples, to generate...

2019

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... to seismic processing and imaging that uses the full wavefield to simultaneously determine a variety of earth parameters, including velocity...

2023

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

... (c) using the final TLFWI model (d), velocity model difference between final TLFWI model, and legacy model (f). The diving wave illumination (e...

2023

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... is to invoke an empirical relationship between velocity and effective pressure. Effective pressure, P e, is the difference between the overburden...

2001

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

..., 1981, 1988, 2003, 2005a, 2005b) that deviation between stacking and RMS velocity depends on where lateral velocity changes occur. The main reason...

2015

Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)

Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang

Search and Discovery.com

... separation, velocity analysis and imaging. According to the characteristics of offshore 3-D VSP downgoing multiples, the offshore 3-D VSP downgoing multiple...

2023

Upside down Rayleigh-Marchenko imaging: Towards a practical exact redatuming scheme for ocean bottom acquisitions

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... to handle both primaries and freesurface multiples. Despite being practically attractive, such an approach relies on single-scattering assumptions...

2023

Results of Exploration, Browse Basin, North West Shelf, Western Australia

I. Willis

Petroleum Exploration Society of Australia (PESA)

... with stacking velocities close to the primary velocities in the deeper target zone. The lack of "move-out" discrimination between multiples and primaries makes...

1988

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