Elastic full-waveform inversion at regional scale for the northern Gulf of Mexico

Yao Yu, Anastasia Pavlovskaya, Kim Shoemaker, Hongyan Li, Jennifer Qin, David Derharoutian Jr., John Law, Zhao Ge, Ruth Hammans, Vivian Robertson, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... Hammans, Vivian Robertson, and Kate Glaccum (SLB) Summary Sparse ocean-bottom node (OBN) marine seismic data is now being acquired on a regional scale...

Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin

Thais Sales, Frederico Xavier de Melo, Joel Monteiro, Dmitri Skorinski, Shady Attia, Mohammad Ghazey, Marcella Braga, Etory Sperandio, André Ferreira, Moacyr Bezerra, Thiago Costa

International Meeting for Applied Geoscience and Energy (IMAGE)

...-driven prediction of downgoing free-surface multiples for ocean-bottom node data: 82nd Annual International Conference and Exhibition, EAGE, Extended...

Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution

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

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the seafloor, such as Ocean Bottom Node (OBN), Ocean Bottom Cable (OBC) or Ocean Bottom Seismometer (OBS) data, provide many advantages over both single...

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... the tradeoffs of such decimations, we used ocean-bottom node data from a complex geological setting in a pre-salt play of the Santos Basin, offshore Brazil...

Designing surveys in an updated regulatory environment With consideration of processing

Carsten Udengaard, David Brookes, Simon Dean, Seet Li Yong, Henrik Roende, Duncan Bate, Etienne Marc

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the Gulf of Mexico have significantly changed how large scale Ocean Bottom Node (OBN) surveys can be acquired. The primary impact of these changes...

Development of a novel seismic acquisition system based on fully autonomous ocean bottom nodes

Fabio Mancini, Ben Hollings, Ted Manning, Henry Debens

Australian Energy Producers Journal

... that ocean bottom node (OBN) surveys provide superior seismic data compared to traditional towed streamers, but deployment of the nodes is time...

Abstract: Gulf of Mexicos Horn Mountain Field: Exploration Success below a Mature Field; #91205 (2023)

Diane Woodruff, Mike Ferfon, Jonathan Harris, Allison Kimbrough, Wally Partridge, Mehdi Zouari, Lisa Gauthier, Vikas Kumar, and Namrita Gandhi

Search and Discovery.com

... Mountain West” exploration well, a 3 mile test from M56 production. Concurrently, the team initiated an ocean bottom node (OBN) survey to further increase...

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... issues and artifacts in the velocity model estimation process caused by the limited number of shots in a circular shot ocean bottom node (OBN) survey...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... Bottom Node (OBN) acquisition leverages this method effectively, offering a cost-effective solution in areas of complex geology where long to super...

Exploring the horizontal component of OBN surveys for added value to imaging

Samara Omar, Jim Simmons, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... Summary We present migrated images of the horizontal (H) component that improves structural interpretation on a synthetic ocean bottom node (OBN) dataset...

Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data

Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

...Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate...

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... 4 from NOAKA OBN (Ocean Bottom Node) survey also explores FWI Imaging bypassing the traditional linear processing, model building, and imaging...

Time-lapse matching of OBN seismic data using 2D convolutional neural networks

Ramon C. F. Araújo, Gilberto Corso, Samuel Xavier-de-Souza, João M. de Araújo, Tiago Barros

International Meeting for Applied Geoscience and Energy (IMAGE)

... water marine seismic using ocean bottom nodes (OBN), the major NR factors are changes in water velocity and positioning of receivers. Impairments caused...

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)

...) in conjunction with newly acquired wide-azimuth, long-offset ocean-bottom node (OBN) data has made it possible to extract earth parameters via data...

Deconvolution of upgoing and downgoing wavefields: A data example from the NOAKA OBN experiment

Tim Seher, Hassan Masoomzadeh, Yong Ren, Simon Baldock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... superior imaging of the shallow subsurface. Introduction Compared to towed streamer experiments, ocean bottom node (OBN) surveys can deliver both...

Meeting the imaging challenges at Atlantis with high-frequency elastic FWI

Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo

International Meeting for Applied Geoscience and Energy (IMAGE)

...-frequency (>20 Hz) FWI Imaging at Atlantis, it is essential to utilize ocean bottom node (OBN) data with a denser node spacing that can better sample...

Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area

M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust

International Meeting for Applied Geoscience and Energy (IMAGE)

... the Yggdrasil area M. A. H. Zuberi* (TGS), E. Cho (TGS), T. Seher (TGS) and R. Myklebust (TGS) Summary Ocean bottom node (OBN) data in a shallow water...

Thailand’S First 4D Seismic Project - Bualuang Field Case Study

Search and Discovery.com

Thailands First 4D Seismic Project - Bualuang Field Case Study; #11206 (2019)

Jaume Vendrell-Roc, Juthaporn Densirimongkol

Search and Discovery.com

... ([email protected]) Abstract In mid-2015, Ophir Energy acquired the first ever Ocean Bottom Node (OBN) seismic survey in Thailand. The survey...

High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP

Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

...) Summary Data acquisition A large-scale distributed acoustic sensing (DAS) dataset acquired during an ocean bottom node (OBN) survey was processed...

The Future is at the Bottom of the Ocean

Petter Steen-Hansen

GEO ExPro Magazine

... technology which will not only compete with current OBN (Ocean Bottom Node) projects, but has the potential to overtake the large multi- and wide-azimuth...

Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes

Fabio Mancini, Ben Hollings, Giorgio Mangano, Dhimitraq Gjini, Damien Dieulangard, Ted Manning, Henry Debens

International Meeting for Applied Geoscience and Energy (IMAGE)

...Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes Fabio Mancini, Ben Hollings, Giorgio Mangano...

Unraveling US GoM North Green Canyon subsalt complexities with sparse nodes

Katarina Jonke, Jingqian Kang, Sandra Garzon, Gino Alexander, Ganyuan Xia, Gabriel Ritter, Ahmed Afifi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Garzon, Gino Alexander, Ganyuan Xia, Gabriel Ritter, Ahmed Afifi, bp Summary Recent advancements in Full Waveform Inversion (FWI) and Ocean Bottom Node...

Abstract: *Blended Source Ocean Bottom Node Seismic Data Acquisition – A Case Study, by Dr. Chris Walker and David Hays, #90188 (2014)

Search and Discovery.com

Velocity model building with a time shift objective function: Gulf of Mexico examples

Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene-Edouard Plessix, Sijmen Gerritsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... (FWI). In this paper we combine long offset Ocean Bottom Node (OBN) surveys with a waveform inversion technique that uses a time shift objective...