Obn News


Viridien, TGS Wrap Up OBN Survey in Gulf of America

Sep 19, 2025

French seismic firm Viridien, in collaboration with Norway’s TGS, has completed the acquisition of the Laconia Phase III ultra-long offset ocean bottom node (OBN) survey in the Gulf of America.The latest phase spans 151 OCS blocks and expands…

Viridien Extends OBN Data Scope Offshore US Coast

Sep 02, 2025

French seismic firm Viridien has taken ownership of seismic field data from the Momentum survey, which will be incorporated into Laconia, the company’s sparse ocean bottom node (OBN) program in the U.S. Gulf.The new coverage will extend Viridien’s…

Viridien, TGS Kick Off Next Phase of Laconia Sparse OBN Survey in US Gulf

Jun 19, 2025

Seismic firms TGS and Viridien have started the Laconia Phase III ocean bottom node (OBN) survey in the Gulf of America, building on the previously completed Phases I and II.The goal of the Laconia Phase III is to extend extra-long-offset-low…

TGS Gets Shallow-Water OBN Job off Trinidad

Apr 07, 2025

Norwegian seismic firm TGS has secured a shallow-water ocean bottom node (OBN) acquisition contract offshore Trinidad.The 3D baseline contract is scheduled to begin in early third quarter of 2025.The total duration of the survey is approximately 80 days…

TGS Kicks Off New Multi-Client OBN Project in Gulf of America

Apr 01, 2025

TGS, a global provider of energy data and intelligence, has launched a new multi-client ultra long offset ocean bottom node (OBN) data acquisition campaign in the Gulf of America.The Amendment 4 project will expand node coverage in TGS' multi-client library…

Shearwater Nets ExxonMobil’s Contract for 4D OBN Survey Off Guyana

Feb 24, 2025

Offshore seismic services firm Shearwater Geoservices has secured large deepwater 4D ocean bottom node (OBN) reservoir surveillance program by ExxonMobil Guyana.Under the contract, Shearwater will begin a six-month survey starting in the first half of 2025…

Viridien, TGS Deliver High-Res Data for Sleipner Area in North Sea

Dec 12, 2024

Viridien, in collaboration with joint venture partner TGS, has delivered the final processed data from the multi-client Sleipner Ocean Bottom Node (OBN) project.The Sleipner OBN survey, the second of two dense multi-client OBN surveys acquired in the North Sea in 2023…

TGS Secures OBN Survey in Europe

Nov 21, 2024

Norwegian seismic specialist TGS has secured an ocean bottom node (OBN) contract in Europe.The company's node-on-a-rope crew is scheduled to begin acquisition early April 2025.The contract has a duration of approximately 35 days, TGS said, without revealing any additional details…

Viridien, TGS and Aquila Holdings Deliver Utsira OBN Reprocessing Project

Nov 04, 2024

Viridien and its partners TGS and Aquila Holdings, under its subsidiary Axxis Multi Client, have completed the reprocessing of the Utsira ocean bottom node (OBN) seismic survey in the Norwegian North Sea.Utsira is the largest OBN survey conducted…

Shearwater Secures Deepwater OBN Survey in West Africa

Oct 31, 2024

Offshore seismic services specialist Shearwater Geoservices has secured a contract for a deepwater ocean bottom node (OBN) survey in West Africa.Starting in the fourth quarter of 2024, the one-month survey will be the first to use the SW Tasman’s…

Shearwater Lands Second OBN Survey for TotalEnergies Off Angola

Oct 25, 2024

Offshore seismic services specialist Shearwater Geoservices has secured its second contract from TotalEnergies for an Angolan ocean bottom node (OBN) project.The three-month deepwater OBN survey at B20/11 covering the Golfinho and Cameia fields…

Shearwater Lands OBN Survey Job for TotalEnergies off Angola

Oct 09, 2024

Marine seismic acquisition firm Shearwater Geoservices has secured a contract from TotalEnergies for an Ocean Bottom Node (OBN) data acquisition campaign offshore Angola.The deepwater OBN survey will be conducted by the dual ROV equipped SW Tasman…

Shearwater Scores Deepwater OBN Extension in India

Aug 23, 2024

Shearwater Geoservices announced it has secured a three-month extension to the deepwater ocean bottom node (OBN) survey off the coast of India.The extension builds on an initial six-month scope using the SW Tasman, Sheawater's purpose-built seismic source and dual ROV operations vessel…

TGS Extends Deepwater OBN Campaign in West Africa

Jul 18, 2024

Norwegian seismic company TGS has secured the extension contract for the deepwater Ocean Bottom Node (OBN) data acquisition campaign in West Africa.The additional program for a major customer, whose name was not disclosed, will extend the ongoing…

TGS Licenses Imaging Software to Shell, Secures OBN Contract in North America

Jul 17, 2024

Norwegian seismic company TGS has signed a global multi-year agreement with Shell to license the TGS Imaging AnyWare software suite, announcing also it has secured another contract for the Ocean Bottom Node (OBN) data acquisition work in North America…

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