New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania

Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham

International Meeting for Applied Geoscience and Energy (IMAGE)

... energy from the data, a shallow water multiple estimation algorithm was used followed by surface related demultiple. Multiple prediction is improved...

Prediction and removal of internal multiples using an improved CFP approach

Zhiheng Jiang, Yongqiang Yao, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaging. The method of Surface-Related Multiple Suppression (SRME) proposed by Berkhout and Gibson (1985) is useful for removing surface-related multiples...

Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution

Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... for. Moreover, these methods can be altered to predict surface related multiple models for either the up- or downgoing wavefield. In case a multiple...

Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field

Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Seismic data in Bahrah field is heavily contaminated with short- and long- period multiples both free surface and interbeds (Figure 3a). These multiple...

Beyond Geometry: 2D structural thermo-kinematic models of the Papuan Fold and Thrust Belt

Pedro A. Restrepo-Pace

Petroleum Exploration Society of Australia (PESA)

.... Exploration has advanced on the back of extraordinary surface-related  Oil Finder: Colombia, Vietnam, Malaysia; challenges, with an almost exclusively...

The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico

Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida

International Meeting for Applied Geoscience and Energy (IMAGE)

... abundant low-frequency signal below 3 Hz, which is critical for FWI and subsalt and steep-dip imaging. Variable-aperture surface-related multiple...

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

...., Chang, X. and Hu, H., [2014]. Simultaneous reverse time migration of primaries and free-surface related multiples without multiple prediction...

Geologic Nomenclature and Classification of Porosity in Sedimentary Carbonates

Philip W. Choquette , Lloyd C. Pray

AAPG Bulletin

... precipitation (final deposition), (2) passage of a deposit below the zone of major influence by processes related to and operating from the deposition surface...

Chapter 13: The Zama Discovery in Salina del Istmo Basin, Offshore Tabasco: “A New Dawn” for Offshore Mexico Exploration

David Kosmitis, John Parker, Michael Albertson, Alex Obvintsev, David Tett, James Pasley, Matthew Carr

AAPG Special Volumes

... in the depth conversion. Figure 17. Bolol 3-D seismic survey. Al = acoustic impedance; PGS = Petroleum Geo-Services; SRME = surface-related multiple...

ABSTRACT: Cellular Automata Applied to Fault and Surface Related Diagenesis in Carbonate Reservoirs, by Hasler, Claude-Alain; Evgueni, Tcherepanov ; Volery, Chadia; Braun, Matthias; Taberner, Conxita; #90142 (2012)

Search and Discovery.com

Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data, #42076 (2017).

Evans Owah, Christian Rivera, Marjolaine Lahmi, Michel Courbe

Search and Discovery.com

... multiple energy attenuation: free surface related multiples and related diffracted energy; ¾ Preservation of high frequency signal and enhancement of low...

Seismic imaging in shallow water where are we at and where might we be going?

Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss

Australian Energy Producers Journal

... of surface-related shallowwater multiples during FWI by: (i) generating predicted data both with and without free-surface multiples and fitting both...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Abstract: Progress in DAS Seismic Methods; #90224 (2015)

A. Mateeva, J. Mestayer, Z. Yang, J. Lopez, P. Wills, H. Wu, W. Wong, Barbara Cox, J. Roy, and T. Bown

Search and Discovery.com

... on the right). The airgun bubble and surface-related multiples with period ~1s are prominent, as expected. The data in Well 2 are of lower quality than...

Codes and Ciphers Simultaneous: Source Separation: PART II

Johan O. A. Robertsson, Dirk-Jan Van Manen, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... records is abandoned, it would be possible to create images of the subsurface from the total energy that illuminates it, whether from surface-related...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...ed multiple model that is less ringy, thus producing a more accurate representation of the subsurface multiple energy. Surface related multiple mode...

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

... event should remain relatively consistent across a 3D survey. To correct for these surface-related amplitude changes, the RMS amplitudes are calculated...

Evergreening of seismic data to enable carbon storage screening at scale … a case study from the Barrow-Dampier sub-basins

Nigel Seymour, Paul Phythian, Merrie-Ellen Gunning, Kiran Ferguson, Suyang Chen, Dayang Aini Binti Awang Piut

Australian Energy Producers Journal

... carbon storage containment analysis. the overburden that was concurrent with the first bounce surface-related multiple. Additionally...

Innovative seismic surveying and imaging in Bonaparte Basin for future energy resources

David Barlass, Shivaji Maitra, Nigel Seymour

Australian Energy Producers Journal

...) (Kostov et al. 2015) to predict water-layer multiples, while remaining surface-related multiples were predicted using generalised surface multiple...

Leveraging source-over-cable marine seismic field data for near offset reconstruction with deep learning

Owen Rohwer Huff, Jan Erik Lie, Andreas Kjelsrud Evensen, Aina Juell Bugge

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset information can provide better imaging of the shallow subsurface, improved multiple removal through algorithms such as surface-related multiple...

Beware of Gravity Fractures and Non-Structural Lineations

John F. Harris, Alan P. Emmendorfer

Four Corners Geological Society

... discontinuous surface phenomena related to the physical characteristics of a lithic unit and the local topography (Harris et al., 1960). The most commonly...

Application of TTI Reverse Time Migration, Deepwater Offshore Malaysia (Paper P5)

J. Sun, B. Mishra, C. Jiao, J. Sun, G. Hodgkiss, A. Bisset

Geological Society of Malaysia (GSM)

.... Processing Flow 1. 2. 3. 4. There are four main stages in the processing. Noise removal. The seismic data are very noisy, mainly due to surface-related...

Abstract: The Importance of Computed Tomography in the Creation of Carbonate Reservoir Databases Based on the Study of Natural Analogues, by R. Swennen, S. Claes, and A. Foubert; #120034 (2012)

Search and Discovery.com

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... Surface-related attributes fall into three main categories: surface-associated, surface-rendered and surface-derived or horizon attributes. After the main...

Seismic Foldout: Quad 35 Hybrid MC3Ds: Innovative multi-parameter FWI for near field exploration

Tor Akermoen, Jeroen Hoogeveen, GEOEX MCG, Kristen Berli, Seismic Partner, Tom Rayment, Percy Mellar

GEO ExPro Magazine

... and Kyrre sands. The resolution is significantly improved and the imaging is excellent. The MP-FWI processing has resolved multiple and noise issues...