Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil

Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

...st arrival tomography within the circular shot Ocean Bottom Node (OBN) acquisition geometry. The results also revealed that despite the average veloci...

ABSTRACT: OBS Nodes Deliver Wide-Azimuth Image Improvement in Gulf of Mexico Deepwater at Atlantis

John M. Howie, David B. Shepherd, Gerard Beaudoin, and Patrice Mahob

GCAGS Transactions

..., and Patrice Mahob 2008 425 425 58 The world's first 3D deepwater wide-azimuth ocean bottom seismic (OBS) node survey at Atlantis Field...

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

.... This is not the case on the receiver side when considering sparse seabed ocean-bottom node (OBN) acquisition. In this setting, polarization analysis of the multi...

The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data

Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Nguyen and Arash JafarGandomi, Shearwater Summary Ocean bottom seismics is becoming an increasingly accessible method to provide superior seismic data...

Abstract: Multi-well 3D DAS-VSP Survey offshore Abu Dhabi: a New Way to Acquire Surface Seismic?; #91204 (2023)

Guillaume Cambois, Jane Mason, Saif Al Mesaabi, James Cowell, Mohamed Boukhanfra, Mohamed Mahgoub

Search and Discovery.com

...? Guillaume Cambois, Jane Mason, Saif Al Mesaabi, James Cowell, Mohamed Boukhanfra, Mohamed Mahgoub ADNOC Abstract While shooting a dense ocean-bottom...

TECHNOLOGY

Henk Kombrink

GEO ExPro Magazine

... bottom node (OBN) survey, in combination with a new marine source, to improve the low-frequency signal-tonoise ratio. Even though this was the first full...

Robust phase-driven time warping FWI for salt reconstruction

Guanghui Huang, Alejandro Alcudia-León, Jaime Ramos-Martínez, Nizar Chemingu

International Meeting for Applied Geoscience and Energy (IMAGE)

... the effectiveness of our approach through a controlled experiment and successfully apply it to Ocean Bottom Node (OBN) data acquired in the Gulf of Mexico...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... and receivers (sources placed at the sea surface, receivers placed at the seafloor), when acquiring data using ocean-bottom node (OBN) systems...

A seasonal-dependent water velocity model for the Gulf of Mexico

Claudio Bagaini

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the perturbations that affects the quality of the seismic images obtained from data acquired in deep waters. In the case of ocean bottom node (OBN...

Structural and time-lapse imaging through gas clouds via FWI at Eldfisk field, North Sea

Zhengxue Li, Leila Bencherif-Soerensen, Per Gunnar Folstad, Brian Macy, Simon Shaw, Baishali Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

.... To address this, we apply Full-Waveform Inversion (FWI) to 3D and 4D Ocean Bottom Node (OBN) data, aiming to enhance both structural and time-lapse imaging...

Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... and imaging. The long offset and rich azimuthal coverage provided by ocean-bottom node data have seen this technique become commonplace...

Improved interpretability from elastic full-waveform inversion model-based seismic images revitalizes Paleogene development in the Gulf of Mexico

Abhijit Gangopadhyay, Li Jiang, Robert Chrisman, Sanjay Banerjee, Han Su, Bin Deng, Bharat Bonala, Jiawei Mei

International Meeting for Applied Geoscience and Energy (IMAGE)

... the field. The data used to build the FWI-based velocity models are from the proprietary ocean bottom node (OBN) survey conducted over the field in 2021...

Elastic AWI and RWI in the Santos Basin

Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira

International Meeting for Applied Geoscience and Energy (IMAGE)

... to saltaffected ocean-bottom node data from the Santos Basin, offshore Brazil. In this basin, the existence of high-velocity layered anhydrites within...

High resolution imaging using multiples „ A North Sea case study

Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko

International Meeting for Applied Geoscience and Energy (IMAGE)

... and SRME), currently offer. We use recently acquired high density ocean bottom node (HD OBN) data to demonstrate the workflow and produce the results...

Hydraulic fracture networks bypassing thick sealing sequences as fluid conduits in deep overpressured strata

Qingfeng Meng, Baibing Yang, Zhifeng Guo, and Fang Hao

AAPG Bulletin

... offshore gas reservoir in the Yinggehai Basin of the South China Sea, using state-of-the-art ocean bottom node (OBN) seismic data. Our aim...

Abstract: OBS Nodes Deliver Wide-Azimuth Image Improvement in Gulf of Mexico Deepwater at Atlantis, by John M. Howie, David B. Shepherd, Gerard Beaudoin, and Patrice Mahob; #90085 (2008)

Search and Discovery.com

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

...-streamer and sparse OBC seismic image is poor due to shallow carbonates, pervasive faulting and shallow gas. New highdensity Ocean Bottom Node (HD OBN...

Ocean-bottom multiphysics for reservoir monitoring Increasing the value of information

Paulo T. L. Menezes, Jorlivan L. Correa, Everton N. Menor, Sergio M. Ferreira, Andrea Zerilli, Tiziano Labruzzo

International Meeting for Applied Geoscience and Energy (IMAGE)

...Ocean-bottom multiphysics for reservoir monitoring Increasing the value of information Paulo T. L. Menezes, Jorlivan L. Correa, Everton N. Menor...

High Frequency Full Waveform Inversion as an Interpretation Solution

Laurence Letki, Matt Lamont, Troy Thompson

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., multi- and full-azimuth datasets, including 3D marine, ocean-bottom nodes (OBN) and extremely high fold land surveys, are now common. In parallel...

Regional exploration of crustal structures from long-offset OBN data by extended-source FWI

Gaoshan Guo, Stéphane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Valbonne, France e o SUMMARY Regional seismic imaging of continental margins from ultra long-offset sparse ocean-bottom node (OBN) data by Fullwaveform...

Elastic FWI for large impedance contrasts

Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... improves the convergence. Using an ocean bottom node (OBN) data set in the Gulf of Mexico (GoM), we demonstrate that E-TLFWI can significantly reduce...

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)

... characterization, baseline ocean-bottom node (OBN) data were acquired in 2017. A monitor OBN survey was then acquired in 2021. The legacy model (Chen et al...

ABSTRACT: Agbami 3-D/4-D Survey Design- Understanding Drivers, Geophysical Requirements, & 4-D Optimization; #90115 (2010)

Peter Morse, Jeffrey Nealon, T. George Chou, and Doug Hicks

Search and Discovery.com

... our subsurface goals and what technologies would allow for that improvement. Ocean Bottom Nodes were selected for the ability to work in and around...

High-resolution seismic imaging of shallow karstified carbonate overburden offshore Indonesia

Xiaobo Li, Yonghe Guo, Yi Xie, Barry Hung, Ilham Panggeleng, M. R. Husni Sahidu, Sarah Putri

International Meeting for Applied Geoscience and Energy (IMAGE)

... complex faults and small-scale caves with very high-density Ocean-Bottom Node (OBN) data. This has made a significant impact on well planning...

Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield

Arash JafarGandomi, Aparajita Nath, Sergio Grion

International Meeting for Applied Geoscience and Energy (IMAGE)

... bottom node (OBN) acquisition scenario. The marine vibrator source array consists of three source units, one low-band (325Hz) deployed at 10m depth...