Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

... School of Mines/Reservoir Characterization Project Summary As interest in shear waves (S-waves) grows for prestack depth migration of ocean-bottom node...

Pushing the boundary of WAZ streamer data for subsalt imaging: A case study in deepwater Mexico Campeche

Yi Chen, Kendra Pyke, Juan Wang, Jasmeen Moubarak, Earl Manning, Jessica Kopp, Rongzhang Chen, Chang Chen, Ravi Kumar, Minshen Wang, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

... such as long-offset, full-azimuth Ocean Bottom Node (OBN) data in this frontier basin, previous efforts focused on extracting most values from...

Detecting igneous rocks in the presalt with elastic FWI

Gabriel Pacheco, Ana Araújo, Diego Costa, Karine Pereira, Luis Cypriano

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Ocean-bottom-node (OBN) data have provided a step-change in quality, as the improved signal-tonoise ratio (S/N) in the low-frequency range, long...

FEATURES

Henk Kombrink, Peter Browning-Stamp, Carlo Caldarelli

GEO ExPro Magazine

... YPSUM 2025 But that was not all. Around the Fram area, the company trialed its  first hybrid Ocean Bottom Node acquisition during the same year...

Abstract: Stampede Field-Reservoir Rock Physics and Seismic Imaging: What We Should See and What We Can See;

Wisley Martins

Search and Discovery.com

... bottom nodes (OBN) seismic, using Full Waveform Inversion (FWI) and least square reverse time migration (LSRTM) processing have remarkably improved...

Elastic full-waveform inversion of 4C ocean-bottom seismic data: Model parameterization analysis

Jian Cao, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... function and constant density. The recording system is the ocean-bottom node (OBN) acquisition with 20 4C receiver nodes and 25 shooting lines at 5 m water...

Abstract: New Seismic imaging Reveals Opportunities in Asia Pacific

Michael Cottam, Bryan Ritchie

Southeast Asia Petroleum Exploration Society (SEAPEX)

...-density Ocean Bottom Node survey using BP Independent Simultaneous Source technology (ISS®) was acquired in 2017/18 to support future development...

Optimizing seismic survey design for frontier exploration in Cyprus salt basins

Chris Tapie, Valeriy Brytik, Shangli Ou, Lindsey Donaldson, Ares Ouzounis, Ivan Fabuel-Perez, Maxime Guillois, Daniel Eke, Sunwoong Lee, Mahir Khalil, Gita Febriany, Luigi Pastore

International Meeting for Applied Geoscience and Energy (IMAGE)

... azimuth (WAZ) and full azimuth (FAZ) data such as from ocean bottom nodes (OBN) are better suited for subsalt imaging (Threadgold et al. 2006, Moldoveanu...

Reservoir properties estimation using MAZ towed multisensor streamer seismic: A Norwegian case study

Cyrille Reiser, Roberto Ruiz

International Meeting for Applied Geoscience and Energy (IMAGE)

... Bottom Node (OBN) surveys acquired over two seasons and a multi-azimuth (MAZ) towed streamer configuration acquisition was presented by Widmaier et al...

Enhancing Karstified Carbonate Characterization Through Focused Seismic Reprocessing and Machine Learning Utilization in Ubadari Field

M.R Husni Sahidu, Ilham Panggeleng, Sarah Putri, Scott Miller, Xiaobo Li

Indonesian Petroleum Association

...-scale caves with very high-density Ocean-Bottom Node (OBN) data, which has made a significant impact on well planning and drilling operations (Wolfarth...

Cascaded full-waveform inversions to resolve Mesozoic structures in shallow-water Gulf of Mexico with limited-offset data

Wei Kang, Christoph Koeninger, Miguel Acosta Perez, Josue Jurado Ramirez, Imran Nagir, Denes Vigh, Silvino Dominguez Garcia, Alfredo Vazquez Cantu, Luis Arturo Vega, Marco Antonio Mayorga

International Meeting for Applied Geoscience and Energy (IMAGE)

... ocean-bottom node (OBN) data, which contains rich divingwave energy that could penetrate deep down to the exploration targets (Kang et al., 2021, Vigh...

Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data

James Gaiser, James Simmons, Moacyr de Souza Bezerra

International Meeting for Applied Geoscience and Energy (IMAGE)

... Bezerra, Colorado School of Mines. Summary As interest in shear waves (S-waves) grows for prestack depth migration (PSDM) of ocean-bottom node (OBN) data...

Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study

R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov

International Meeting for Applied Geoscience and Energy (IMAGE)

.... This should be considered a significant benefit compared to PP-only towed streamer and the more expensive ocean-bottom node (OBN) surveys. Figure 1a...

A case study of broadband processing in extremely shallow water environment of Bohai Bay

Jiangbo Huang, Xinyi Duan, Dekui Xu, Pingping Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... forward. With the development of seismic acquisition technology and equipment, Ocean Bottom Cable (OBC) and Ocean Bottom Node (OBN) acquisition systems...

Tobago: Implications of 4-D Seismic in an Ultra-Deep Water Setting

Search and Discovery.com

Grabbing a Larger Share of the Market

Halfdan Carstens

GEO ExPro Magazine

... a decision whether to use streamers, ocean-bottom cables or nodes in the very first survey,” Berg says. While a series of companies offer streamers...

FWI for the complex Walker Ridge salt province using streamer data

Dorothy Ren, Xin He, Siyun Xu, Fei Gao, Feng Lin, Jiawei Mei

International Meeting for Applied Geoscience and Energy (IMAGE)

... frequency, such as Ocean Bottom Node (OBN), for the next level of subsalt imaging. Meanwhile, the strong elastic effects at the salt boundaries degrade...

Simultaneous source wide azimuth seismic acquisition using low frequency Gemini source in eastern Mediterranean Sea

Shangli Ou, Shelley Zaragoza, Zachary Lawrence, Lindsey Donaldson, Chris Tapie, Kim Begay-Jackson, Brian deMartin, Ares Ouzounis, Jie Shu, Luigi Pastore, Gita Febriany

International Meeting for Applied Geoscience and Energy (IMAGE)

... and complicated salt geometry. Although WAZ streamer data and ocean bottom node (OBN) data have proven to provide improved subsalt illuminations over NAZ data from...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Joy et al., 2018). In mid-2022, a massive DAS 3D-VSP dataset was collected in conjunction with an ocean bottom node (OBN) survey over the Atlantis...

Abstract: Subsalt Seismic Modeling and Illumination Analysis in Red Sea Transition Zone; #90254 (2016)

Ewenet Gashawbeza, Hongwei Liu, Saleh AL-Saleh

Search and Discovery.com

... consisting of 6000 ocean bottom nodes (OBN) and 31500 shots. A two-way acoustic wave equation was implemented for the modeling using a high order finite...

Navigating full-waveform inversion success in Mexico with complex geology: Shallow-water and land case studies

Wei Kang, Federico Fenoglio, Liubov Mulisheva, Pavel Vasilyev, Luxin Zhang, Abdalla Abouelela, Xin Cheng, Denes Vigh, Silvino Dominguez Garcia, Alejandro Cabrales, Alfredo Vazquez Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the diving waves by extending the offset. In recent years, the combination of FWI and long-offset ocean-bottom node (OBN) data has already achieved a step...

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... successfully applied to improve salt geometries, velocity model and migration images using the ocean bottom node (OBN) data (Shen et al., 2017, Tang et al...

Abstract: Using Ocean Bottom Seismic Data and Ultrasensitive Hydrocarbon Mapping Simultaneously to Optimize Production in Offshore Fields;

Rick Schrynemeeckers

Search and Discovery.com

...Abstract: Using Ocean Bottom Seismic Data and Ultrasensitive Hydrocarbon Mapping Simultaneously to Optimize Production in Offshore Fields; Rick...

Joint designature of data with a diversity of sources

Shuki Ronen, Thibaut Allemand, Stphane Laroche, Philippe Herrmann, Hamish Macintyre, Maksym Kryvohuz, Guido Baetan

International Meeting for Applied Geoscience and Energy (IMAGE)

... that produce and receivers sensitive to low frequency waves. While great progress has been made with receivers such as ocean bottom nodes (OBN), micro...

Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study

M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen

International Meeting for Applied Geoscience and Energy (IMAGE)

... workflow. The axial nature of recording for a horizontally deployed cable makes it closer to the X component of a four-component ocean-bottom node (4C...