Sub-L1 norm regularized inversion deblending in local 3D FK domain for ocean-bottom node data

Jun Sun, Zhaojun Liu, Manhong Guo, Graeme Stock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Introduction Ocean bottom node (OBN) acquisition can provide long offset, wide azimuth and clean data at low frequencies, so it becomes more powerful for FWI...

Abstract: SpiceRack’: An Autonomous Underwater Vehicle for Efficient Seabed Seismic Acquisition; #90319 (2018)

Constantinos Tsingas, Abdulaziz Almuhaidib, Thierry Brizard, Christopher Walker, Timothy Bunting, Erwan Postic

Search and Discovery.com

... and turnaround times while at the same time retain the technical advantages of the Ocean Bottom Node (OBN) systems. It is strongly envisioned...

Optimization of Seismic Acquisition Design Using Ocean Bottom Nodes at 'MHS' Field

M Hanif Syamri, Ruhul Firdaus, Syamsurijal Rasimeng, Agung A. Susanto

Indonesian Petroleum Association

... Bottom Node Acquisition RESULT OBN (Ocean Bottom Node) acquisition technique was first conducted in 2004/2005 in the southern Gulf of Mexico, and until...

Efficiency-oriented optimization design of static patch geometry and related operation for OBN project

Yue Yu, Chen Haolin, Xin Xiuyan, Luo Minxue, Xu Zhaohong, Dong Fengshu

International Meeting for Applied Geoscience and Energy (IMAGE)

...–403, doi: https://doi.org/10.1190/tle31040397.1. Detomo, R., E. Quadt, C. Pirmez, R. Mbah, and S. Olotu, 2012, Ocean Bottom Node Seismic: Learnings...

ABSTRACT: Squeezing every drop out of a new OBN dataset (Columbus Basin, Trinidad & Tobago)

Avinash Ramroopsing

Geological Society of Trinidad & Tobago

..., in partnership with Fairfield Nodal, Shell acquired the 1125Km2 Flambeau Ocean Bottom Node 3D seismic survey over its East Coast Marine acreage to drive...

Abstract: Value Creation of Integrated 3-D data and 2-D OBN Data Processing Towards Solving Imaging Challenges in Large Gas Cloud Environment : Case Study Offshore Malaysia; #90294 (2017)

M Nasrul B M Isa, Riaz Alai, Iqbal Supardy, M Shah B Sulaiman, Tang Wai Hoong, Siti Fahimah Bt M Zohdi, Nik Nur Halim C Soh, Rustam Yusupjanov, A Aziz B Muhamad, Zabidi B Md Dom

Search and Discovery.com

..., Carigali, Malaysia ABSTRACT Here we showcase the results of the integrated reprocessing of 3-D marine streamer data and 2-D acquired Ocean Bottom...

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

... a step change in image quality. To this end, an ocean bottom node (OBN) acquisition was carried out in late 2020 to record fullazimuth and long...

Integrating an exploration OBN into a full-scale prospect maturation workflow: Gulf of Mexico Lower Tertiary

Scott Yurman, Marcus Cahoj

International Meeting for Applied Geoscience and Energy (IMAGE)

... is to demonstrate how measured seismic velocities from a sparse node ocean bottom node (OBN) survey can be integrated into the exploration and prospect...

Deep water OBN multiple prediction from local reflectivity in the Stolt domain

Cesar Ricardez

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflectivity in Stolt Domain Cesar Ricardez1 1 TGS Introduction In deep water Ocean Bottom Node (OBN) surveys, the use of downgoing data post-wavefield...

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... Louann level. Ocean-bottom node (OBN) data provides the full azimuth and long offsets required for resolving subsurface modelling challenges, with sparse...

Deblending a sparse OBN survey acquired with a generalized survey optimization scheme

Matthew Salgadoe, Bartosz Szydlik, Azat Kuliev, Christopher McMorland

International Meeting for Applied Geoscience and Energy (IMAGE)

... imaged with an initial earth model. Introduction In the past few years there has been an increased effort in acquiring sparse ocean-bottom node (OBN...

Stabilizing two-term clock-drift inversion in ocean-bottom node processing

Beng Seong Ong, Zhaojun Liu, Carsten Udengaard

International Meeting for Applied Geoscience and Energy (IMAGE)

...-drift inversion in ocean bottom node processing Beng Seong Ong*, Zhaojun Liu, and Carsten Udengaard, TGS Summary In marine ocean bottom node (OBN...

Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico

Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... an increased focus on acquiring sparse ocean-bottom node (OBN) surveys with the primary aim of updating earth models using full-waveform inversion (FWI...

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)

... and imaging. In this paper we present a method to improve deblending results, while reducing run time and cost. In Ocean Bottom Node (OBN) data...

Abstract: Reverse Time Migration: An Evolving Imaging Technology for Solving Difficult Geological Problems, by Zhang Yu; #90160 (2012)

Search and Discovery.com

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

..., CNPC Summary In the processing of ocean bottom node (OBN) data, separation of up-going and down-going wavefields through combination...

Ultra-Long Offsets Signal a Bright Future for OBN

Duncan Bate, Mike Perz, TGS

GEO ExPro Magazine

... interest. have been learned. Most Ocean Bottom Node (OBN) The Amendment Phase 1 survey, undertaken by TGS work was historically undertaken with node...

Crystal oscillators and temperature compensated deterministic clock correction

Tim Bunting, Jason Jurok

International Meeting for Applied Geoscience and Energy (IMAGE)

... disciplining approach. The paper presents a method to correct for temperature dependence of OCXO’s. Introduction The Ocean Bottom Node (OBN) seismic method...

Exploration: OBN Seismic Unlocks New Play Potential

Grant Byerley, Ayman Rehan, Kareem Mondy, Oliver Cheshire, David Ginger, Abdalla Ibrahim Abouelela

GEO ExPro Magazine

... in the past. We highlight in this article how Neptune Energy and Schlumberger Multiclient, working in collaboration, have used modern 3D ocean bottom...

Revealing the subsalt in Garden Banks with a sparsely-shot TPS OBN and FWI

Michael Merritt, Guido Baeten, Vishram Rambaran, Karen Godfrey, Kevin Bianchini, Tara Brothers, Frederic Chelminski, Alex Hao, Huawei Gao, Yingxue Su, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... bottom node (OBN) survey paired with a game-changing marine source to prioritize LF S/N, the Tuned Pulse Source (TPSTM). While the first fullscale use...

Influence of node position uncertainty on FWI and Mirror-RTM

Felipe Capuzzo, Marco Cetale, Sergio Luiz da Silva, Roger Moreira, Felipe T. Costa, Ammir A. Karsou, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

... is helpful for better planning and design of time-lapse applications. INTRODUCTION In recent years, Ocean Bottom Node (OBN) surveys have...

Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging

Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones

Indonesian Petroleum Association

... using ocean-bottom nodes (OBN). The water depth within the area was shallow and ranged from 40m to 52m. Herein, we will discuss three main challenges...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... propose a two-step full-waveform inversion (FWI) of ocean-bottom node (OBN) seismic data from offshore Abu Dhabi. For the first step we update...

True Hybrid 3D

Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG

GEO ExPro Magazine

... by BGP, ocean bottom nodes were delivered by Magseis Fairfield and deployed and recovered with ROV by Reach Subsea, and the data processing was done...

Sparse OBN acquisition in shallow water at CCS Sleipner field: The role of multiples in FWI

Sandrine David, Eddie Cho, Graeme Stock, Fons ten Kroode, M.A.H Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... a high-resolution image of the subsurface. In parallel, Ocean Bottom Nodes (OBN) were deployed on a sparse grid in order to derive a velocity model using...