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Showing 135 Results. Searched 195,354 documents.
New Opportunities Offshore West Egypt
Simon Baer, Øystein Lie, Ayman Almorshedy
GEO ExPro Magazine
... using up-to-date broadband processing sequences, in which both receiver- and source-side deghosting will be applied. De-noise techniques including...
2016
Australia: New Imaging of the Vulcan Sub-basin
Tony Pedley, Richard Palmer, Polarcus, Spectrum
GEO ExPro Magazine
... with DUG Broad deghosting were applied prior to demultiple, with notional signatures for each shot derived from recorded near-field hydrophone data...
2017
From Sensor to Image
Tom Hay, Mehul Supawala, Tim Brice
GEO ExPro Magazine
... with distance, of a pressure wavefield – enable true 3D deghosting and the ability to reconstruct the wavefield between the streamers...
2019
Seismic Foldout: Gippsland Basin, Australia: New Data Provides Compelling Insights in Unexplored Areas
Jarrad Grahame, CGG
GEO ExPro Magazine
.... These included 3D joint source and receiver deghosting, the latest fullwaveform inversion and least-squares Q pre-stack depth migration (QPSDM...
2022
Broadband Least-Squares Wave-Equation Migration
Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui
Petroleum Exploration Society of Australia (PESA)
... and processing by employing technologies like: multi-sensor data, full azimuth acquisition geometries, deghosting, attenuation compensation and using high...
2018
Seismic Foldout: Deepwater Niger Delta: Revealing the structural influence on reservoir channel deposition to highlight remaining prospectivity
Avril Burrell, Wole Oyetoran, PGS, Ahmad Abdullahi, NUPRC
GEO ExPro Magazine
... deghosting sequence have improved data bandwidth and signal-to-noise ratio. Application of a multiple attenuation process also leads to enhanced image...
2023
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
... such as designature, deghosting, demultiple and regularisation to transform the data into a form that can be imaged by legacy migration algorithms, such as Kirchhoff...
2023
New insights into the Exmouth Sub-basin: Seismic acquisition, processing and imaging
Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari
Petroleum Exploration Society of Australia (PESA)
... or deghosting required (Vigh et al., 2016) to increase the imaging workflow efficiency. Karvelas et al. better resolving the shallow intervals imaging...
2019
Minimizing Depth Uncertainties Through Effective Seismic Processing Strategies in a Complex Geological Setting - Unlocking Deeper Potentials Offshore Indonesia
M Afiq B Mokhtar, Riaz Alai, Yonghe Guo, Pongga Wardaya, Jun Wang, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
..., Joint 3D source-side deghosting and designature for modern air-gun arrays,77th EAGE, IFEMA Madrid, Spain. © IPA, 2018 – 42nd Annual Convention...
2018
Implications of elastic full-waveform inversion for northern Red Sea
Kate Glaccum, Denes Vigh, Kai Wang, Xiaoling Tan, Jennifer Qin, Vivian Robertson, Trevor Ferguson
International Meeting for Applied Geoscience and Energy (IMAGE)
... of an existing 3D model in this area. Key signal processing for imaging purposes included source deblending (Amin et al., 2021), adaptive deghosting (Rickett et...
2023
Exploration Opportunities in the Mediterranean
Verity Agar, Paul Bellingham, Nicola Clarke, Elisabeth Gillbard, Ken McDermott, ION
GEO ExPro Magazine
... processing solution, which provides deghosting that enhances the bandwidth of the data by recovering low-frequency components of the data...
2017
MCG's Regional Deep Imaging Project: Norwegian Sea 2019
Gwenn Peron-Pinvidic, Tor Åkermoen, NGU, MCG
GEO ExPro Magazine
... mode with a record length of 16s TWT. The data was processed by DUG in London using the newest deblending and deghosting techniques. Processing...
2020
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... are a magnitude stronger than the primaries. Key words: Shallow water de-multiple, 3D curvelet subtraction, deghosting, hybrid Tomo-FWI, Least-squares Q...
2019
Joint 4D full-waveform inversion using enhanced template-matching objective function
Gaurav Dutta, Emmanuel Saragoussi, Xin Cheng, Markos Sourial, Yongbo Zhai, Chirag Parekh, Denes Vigh
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the baseline and monitor data also need to undergo time processing flows like denoise, debubble, deghosting, multiple attenuation, etc. However, changes...
2023
Recent Advances in Marine Acquisition Technology and their Application to Basins Off Shore South America
Peter Watterson, Rob Ross, Steve Whidden
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... This combination process is commonly referred to as deghosting. Similar to the idea of acquiring data in continuous circles, the over/under acquisition concept...
2009
Full Waveform Inversion: Early Start of Model Building Process to Resolve the Complex near Surface Model in the Exmouth Sub-Basin, North West Shelf Australia
Lianping Zhang, Haryo Trihutomo, Yuelian Gong, BeeJik Lim, Alexander Karvelas
Australian Petroleum Production & Exploration Association (APPEA) Journal
... no sophisticated data preconditioning, such as demultiple and deghosting, has been applied. These developments in the last few years have made FWI...
2018
Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration
Mazin Farouki, Felice D'Alterio, Erika Gentile
Indonesian Petroleum Association
... of the processing flow; in fact, it is performed on the acquisition vessel as part of the on-board processing. Consequently, the benefits of deghosting...
2012
New 3D Seismic Imaging of Late Cretaceous Extrusive Volcanics in the Deep-Water Gippsland Basin: Implications and Insights for Paleo-Depositional Environments and Petroleum Systems
Jarrad Paul Grahame
Australian Petroleum Production & Exploration Association (APPEA) Journal
... technologies include: 3D joint designature and P-Z deghosting; advanced Time-Lag Full Waveform Inversion (TLFWI) technology with longer offset to achieve...
2023
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
... hydrophones and particle motion sensors which are used to carry out receiver-side deghosting of the data. The main source of noise on the particle motion...
2019
Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore Indonesia
Riaz Alai, Afiq Mokhtar, Yonghe Guo, Hendra Iriansyah Darmawan, M Hilman B Roslan
Indonesian Petroleum Association
..., deghosting, and demultiple providing continuous, well-imaged top-basement images that showed good correlation with well data. Most of the efforts...
2022
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... and receiver processing deghosting) applied prior to migration. It was also processed through a contemporary true azimuth 3D multiple removal workflow (3D SRME...
2016
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... as below: 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) Hydrophone-geophone (PZ) composition: deghosting Turning wave tomography for long wave...
2014
Reviving an old Buffalo - Breathing new life into an old dataset with modern technology
R. McGee, H. Debenham, P. Hoiles, A. O'Neill, J. Miller, A. Padman
Petroleum Exploration Society of Australia (PESA)
... was brought up to date with modern technology, including deghosting and an extensive de-multiple flow incorporating both 3D surface-related multiple...
2019
Geostatistical Inversion on Broadband Seismic Data: A Case Study Offshore Malaysia
Francois Baillard, Murthy Jayanthi Venkata Satyanarayana, Rakesh Doshi, Kwong Wee Poh, Rajat Rathore, Siew Mun Tan, Loic Michel, Eric Andersen, Shivaji Maitra, Riccardo Vercesi, Lam Hoang Do
Indonesian Petroleum Association
... of the vertical well D synthetics. The purpose of this exercise was to fine-tune the deghosting parameters to maximize the recovery of frequencies as seen...
2016
Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation
Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg
Indonesian Petroleum Association
... deghosting techniques, introducing lower frequencies to the seismic image. The cross sections displayed on Figures 3A and 3B show an improvement...
2017