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The AAPG/Datapages Combined Publications Database
Showing 718 Results. Searched 200,691 documents.
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
... is ideal for velocity model building using diving waves in Full Waveform Inversion (FWI) and lends itself to new and innovative Figure 4: Example...
2023
Hybrid streamer/sparse OBN imaging offshore Norway
Chris Walker, Zhengzheng Zhou, Xi Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., are too slow below about 3.5km of depth, and need to be replaced by a velocity gradient estimated from the far offset diving waves. From...
2023
A seeded approach to deblending OBN data
Carsten Udengaard, Indranil Samanta, Richard Huang, Eric Camarda, Yi Xuan
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the deblending at the diving waves above the direct arrival when using the seeded inversion deblending method. Figure 1 – Single near offset source line...
2024
Multiparameter full-waveform inversion addressing complex geological challenges in the Gulf of Suez
Amr Elsabaa, Denes Vigh, Arpana Sarkar, Khaled Abdelaziz, Khaled Hussian, Samir Ahmed, Haytham Abouhadid, Mohamed Maged
International Meeting for Applied Geoscience and Energy (IMAGE)
... including diving waves, refractions, reflections, and multiples within FWI improved subsurface illumination. The FWI derived reflectivity (FDR) (Figure 4b...
2024
Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia
Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani
Indonesian Petroleum Association
... all early arrivals including diving waves and refraction energy to update the near-surface model. With the acquisition cable length being limited...
2019
Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging
S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin
Indonesian Petroleum Association
..., the diving-wave penetration was limited up to a maximum depth of 1.8 km. To update the deeper sections, a velocity scanning approach, and multiple passes...
2020
Terrigeneous Sedimentation in a Shallow Water Coral Reef Environment
Jack Morelock, Karl J. Koenig
Journal of Sedimentary Research (SEPM)
.... The reefs face a long reach of over one thousand miles of open water in the northeast sector. Storm waves from this direction build up to a maximum...
1967
Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).
Dries Gisolf, P.R. Haffinger, P. Doulgeris
Search and Discovery.com
... currently in industry • Full wave-form inversion (FWI): - Low frequencies only. Long offsets only (diving waves). Finite Difference propagator. Single...
2016
Low-energy Coast Near Cape Romano, Florida
W. F. Tanner, R. G. Evans, C. W. Holmes
Journal of Sedimentary Research (SEPM)
... samples, on corners of a one-mile grid, were taken by free-diving or with a Van Veen sampler. Three profiles of five core stations each were run across...
1963
The Evolution of FWI and its Perceived Benefits
Tony Martin, Andrew Long
Australian Petroleum Production & Exploration Association (APPEA) Journal
... (Rønholt et al. 2015), i.e. energy recorded as continually refracted diving waves or post-critical head waves. This approach generates accurate high...
2019
Source and Variation of Hawaiian Littoral Sand
Ralph Moberly, Jr., L. David Baver, Jr.,, Anne Morrison
Journal of Sedimentary Research (SEPM)
... to exposure to tradewind-driven waves, to storms, and to reef configuration. Detrital components are mainly fresh grains of basalt, but weathered grains...
1965
Orientation of Empty Pelecypod Shells and Shell Fragments in Quiet Water
H. Edward Clifton
Journal of Sedimentary Research (SEPM)
... by waves or currents. Whether on vegetated or unvegetated unrippled sand or on solid coral, the particles lie predominantly with concave sides up...
1971
Carbonate Sediments of Isla Mujeres, Quintana Roo, Mexico and Vicinity
Robert L. Folk, Miles O. Hayes, Rikii Shoji
New Orleans Geological Society
...------------------------- most of the sand islands are on the lee side and protected from heavy waves by a maze of coral lying within a few feet of sea level so that surf...
1962
Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt
Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler
International Meeting for Applied Geoscience and Energy (IMAGE)
..., mainly relying on the diving waves in the shallow water zones (Vigh et al., 2011 and Jiao et al., 2015), complementing the NFH data to achieve improved...
2022
Full-waveform inversion derived prestack reflectivity gathers
Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... diving waves down to the original Louann salt level. Using the lowfrequency ultra long-offset data, we are able to invert a velocity with much more...
2023
Calibrating FWI image amplitudes: Insights from deepwater GoM
Lennon Infante-Paez, Nayyer Islam
International Meeting for Applied Geoscience and Energy (IMAGE)
... diving waves, multiples, and reflection waves (Wang et al., 2021). Whereas standard migration algorithms, such as Kirchhoff migration, one-way migration...
2024
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... (refraction and diving waves). This proves advantageous to build the low-wavenumber earth model with significant depth of penetration, despite the steep...
2024
Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia
Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... also called diving waves. Refraction tomography has been widely used in the industry for the purpose of shallow velocity update, by picking the first...
2018
A Practical Case of Offshore Environment Protection in the Mahakam Area
Paul A. Wiet, Triadjie Poerwanto
Indonesian Petroleum Association
.... At this depth, conventional diving operations (heliox and deck decompression chamber) with decompression following each dive cannot be envisaged since...
1994
Seismic tomographic cross-sections of the Bowser Basin in northwest British Columbia, Canada
David B. Snyder, Brian J. Roberts
CSPG Bulletin
... (solid black lines) to obtain observable amplitudes also enable recording of diving (solid, coloured lines) or refracted (dashed lines) seismic waves...
2007
Modern Carbonate Environments of the Upper Florida Keys Guidebook
Wayne M. Ahr, E. A. Shinn
New Orleans Geological Society
... of Florida, is tourism. Fishing, diving and water-oriented sports are drawing cards for the Keys. Bonefish, snook and tarpon are favorites in inshore...
1975
From raw seismic data to quantitative interpretation via cloud-based FWI
Henry A. Debens
Australian Energy Producers Journal
... offsets. In summary, these are (a) an approach for generating robust long-wavelength updates at depths not consistently seen by recorded diving waves...
2024
Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia
David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim
Indonesian Petroleum Association
... to the diving waves (bananas) and backscattered energy (rabbit ears). © IPA, 2019 – 43rd Annual Convention Proceedings, 2019 CONVERGENCE AND QUALITY...
2019
High-Energy Carbonate-Sand Accumulation, the Quicksands, Southwest Florida Keys
Eugene A. Shinn , Barbara H. Lidz , Charles W. Holmes
Journal of Sedimentary Research (SEPM)
... by large (5 m), migrating tidal bars, oriented in a north-south direction, on which sand waves, oriented in an east-west direction, are superimposed...
1990
Hydrodynamic influences on sedimentology and geomorphology of nearshore parts of carbonate ramps: Holocene, NE Yucatán Shelf, Mexico
Thomas C. Neal, Christian M. Appendini, Eugene C. Rankey
Journal of Sedimentary Research (SEPM)
... storms generate waves that propagate onto the shoreface. Extensive shore-parallel sand bodies (beach ridges and subaqueous dune fields) of the high-energy...
2021