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Showing 1,206 Results. Searched 200,357 documents.
Imaging the presalt with elastic FWI using OBN data
Gabriel Brando, Benjamin Huard, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
... the subsurface and consequently mitigate the inherent risks of exploration and production activities. In this context, the use of ocean bottom node (OBN...
2023
Improving seismic resolution by reprocessing multiple surveys at Na Kika field
Qingsong Li, Robert (Bobby) Chrisman, Dale Baptiste, Yan Liu, Dhvanil Patel, Carlos Rivas Aroni
International Meeting for Applied Geoscience and Energy (IMAGE)
... a new acquisition (such as Ocean Bottom Nodes (OBN)), a technical limit reprocessing approach was completed using all existing surveys over the field...
2023
Gemini: A fully operational broadband source for model building and imaging
Carsten Udengaard, David Brookes, Hector Flores
International Meeting for Applied Geoscience and Energy (IMAGE)
... acquired during the Engagement sparse Ocean Bottom Node survey directly comparable to standard air gun arrays. The OBN data will be shown both in time...
2023
Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)
Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang
Search and Discovery.com
... (Vertical Seismic Profiling) data simultaneously acquired by a downhole armored optical cable with an OBN (Ocean Bottom Node) data acquisition project...
2023
ABSTRACT: Reservoir Depositional Element (RDE) Mapping: Adding detail to the regional picture
Tracy Gunness, Martin Wells
Geological Society of Trinidad & Tobago
... of the depositional elements on seismic has been made possible via improved imaging from Ocean Bottom Cable/Node (OBC/OBN) data and resultant attributes like...
2022
Elastic full-waveform inversion using OBN data acquisition
Denes Vigh, James Xu, Xin Cheng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... template-matching fullwaveform inversion using sparse ocean-bottom node data: Presented at the 82nd EAGE Annual Conference & Exhibition, 2021, 1–5. Mora...
2022
One more stride forward in Thunder Horse subsalt imaging with elastic FWI
Bunmi Elebiju, Qingsong Li, Ken Hartman, Francis Rollins, Ye Feng, Karl Kaiser, Werner Schinagl, Chi Chen, Alex Yanjun Hao, Zhiyuan Wei, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Data Input The 2020 OBN survey was the input data for the E-TLFWI reprocessing project. This monitor survey was acquired with repeated node and shot...
2022
Presalt time-lapse seismic monitoring with joint 4D FWI
Filipe Rudrigues, Gabriel Brando, Danilo Albuquerque, Danilo Froes, Benjamin Huard, Luis Cypriano, Roberto Pereira, Adel Khalil
International Meeting for Applied Geoscience and Energy (IMAGE)
... by narrow-azimuth towed-streamer (NATS) data. More recently, ocean bottom node (OBN) acquisitions have been employed to image and monitor already...
2024
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... basin makes it well-suited -to become part of earth model building (EMB) workflow in this area. To maximize the utilization of ocean-bottom node (OBN...
2024
Technology
Geo ExPro Staff
GEO ExPro Magazine
... stakeholders. It will also ensure the optimal use of technology. For example, the use of MEMS sensors in a rapidly evolving Ocean Bottom Node...
2023
Elastic reverse time migration with more than pressure data
Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
.../migrations are utilizing the acoustic approximation whether we use towedstreamer or ocean-bottom node (OBN) acquisitions, as pressure data are used...
2024
Managing the Social Aspect of Tangguh's Seismic Program, the First and Largest OBN Survey in Indonesia
Deny Suryanto, Hery Prastowo, Agustinus Poluakan, Asep Kurniawan
Indonesian Petroleum Association
... Kurniawan * ABSTRACT In 2018 BP conducted the first Ocean Bottom Nodes (OBN) seismic in Indonesia, the Tangguh Seismic Program (TSP), to support...
2019
Attenuating non-compressional energy on vertical motion sensors using rotational data
Hassan Masoomzadeh, Fons ten Kroode, Tim Seher, Mohammad Akbar Hosain Zuberi, Alexander Kritski, Harald Westerdahl, Åsmund Sjøen Pedersen, Mark Thompson, Nick Bernitsas, Phil Behn, Philip Baltz
International Meeting for Applied Geoscience and Energy (IMAGE)
... particle motion records from Ocean Bottom Node (OBN) data. This energy consists of mode converted shear reflections and interface waves traveling over...
2024
Pressure prediction using converted shear waves from OBN data: A rock physics approach
Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami
International Meeting for Applied Geoscience and Energy (IMAGE)
...-bottom node (OBN), 3D/walk-away VSP surveys and dipole sonic logs, it is still uncommon to use shear-wave (S-wave) velocities for independent pressure...
2023
Exploration and Beyond
Paul Wood
GEO ExPro Magazine
... bottom node (OBN) LoFS systems will be installed. They offer better repeatability and signal-to-noise when compared to towed systems and the PMSS provides...
2010
Risk Management in Exploration and Production; #41889 (2016)
Sudhir Pai, Tim Perrin
Search and Discovery.com
... an ocean bottom node (OBN) survey using unmanned water vehicles, towing a miniature streamer…We present the results of this test and compare the seismic...
2016
Weighted stacking of up-and down-going RTM images using peak signal-to-noise ratio analysis
Sérgio Luiz E. F. da Silva, Ammir Karsou, Paulo H. B. Alves, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
..., increasing the accuracy and quality of subsurface representations. The deepwater Brazilian pre-salt case study using ocean bottom node (OBN) data...
2024
S-wave velocity model building using PP-PS tomography with dynamic warping
Terence Krishnasamy, Ronaldo Florendo, Aravind Nangarla, Carsten Udengaard, Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model for an existing deep-water ocean-bottom node (OBN) survey in the Gulf of Mexico. Introduction The water depth in the study area ranges...
2023
Reservoir characterization and associated uncertainties of a presalt carbonate field, Brazil offshore
Jaydip Guha, Hannah Wood, Martijn Blaauw, Caroline Scott, Cody Stewart, Lina Xu, Wenceslau P. Gouveia, Edward Follows, Runer Avila, Andrew Barnett, Josephine Wheeler
International Meeting for Applied Geoscience and Energy (IMAGE)
... and continuous core , pressure data, fluid sampling and two DST’s. In addition, a modern ocean bottom node (OBN) seismic survey was acquired to replace...
2022
Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia
Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa
Indonesian Petroleum Association
... Sebayang*** Agus Warmar Rasa*** ABSTRACT A 350-km2 3D 4C ocean-bottom node (OBN) offshore survey was acquired in December 2018, in Nunukan, North...
2020
Deep learning-based Vz-noise attenuation for OBS data
Jing Sun, Arash Jafargandomi, Julian Holden
International Meeting for Applied Geoscience and Energy (IMAGE)
... dips of coherent noise and coherent signal. We propose a deep-neural-network (DNN) approach to remove this type of noise from ocean-bottom-node (OBN...
2023
Application of full-waveform inversion to ultra-high-density OBN data at Clair field
Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Daniel Davies, BP Summary We present a field application of full waveform inversion (FWI) to ultra-high-density ocean-bottom node data acquired at Clair...
2022
Vz denoise and P/Z matching in 3D curvelet domain
Yong Ren, Chenhao Yang, Tim Seher, Matt Hawke, Eddie Cho
International Meeting for Applied Geoscience and Energy (IMAGE)
... domain Yong Ren*, Chenhao Yang, Tim Seher, Matt Hawke and Eddie Cho (TGS) Summary Ocean bottom node (OBN) seismic data processing commonly uses...
2022
Megaflaps as prolific subsalt structures in the eastern Gulf of Mexico
Peter Lanzarone, David Lankford-Bravo, Sandra Garzon, Ben Schupack, Gabriel Ritter
International Meeting for Applied Geoscience and Energy (IMAGE)
... occurrence in poorly illuminated subsalt settings. Recent advances in seismic technology, including ocean bottom node acquisition and full waveform inversion...
2024
Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico
Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen
International Meeting for Applied Geoscience and Energy (IMAGE)
... an ocean bottom node (OBN) survey. A 5,110-cui airgun array firing at 2,000 pound per square inch (psi) was used as the main production source...
2023