4D Seismic News


Sonardyne Takes Charge of Passive Seismic Monitoring for UK’s First CCS Site

Nov 18, 2025

Sonardyne will provide passive seismic monitoring services for the Northern Endurance Partnership (NEP) at the Endurance carbon storage site in the U.K. North Sea, expanding its role at the country’s first carbon capture and storage (CCS) project…

TGS Secures Monitoring and Survey Extensions Offshore Norway

Nov 18, 2025

Data energy and intelligence firm TGS has extended the existing contracts with major international energy company for reservoir monitoring and source services offshore Norway.The extensions are for the provision of reservoir monitoring and source…

TGS Getting Ready for Multi-Client 3D Survey Offshore Brazil

Nov 17, 2025

Energy data and intelligence firm TGS has outlined plans for the start of Pelotas Norte Phase I multi-client 3D survey in the Pelotas Basin, offshore southern Brazil.Phase I will encompass approximately 14,800 square kilometers across 21 exploration blocks…

PXGEO Inks Two Seismic Acquisition Contracts with Petrobras off Brazil

Nov 13, 2025

Marine geophysical services company PXGEO has signed two significant contracts with Petrobras-led consortia, to deliver seismic data acquisition and monitoring services in the Santos Basin, offshore Brazil.The projects will run consecutively…

SeaBird Exploration’s Fulmar Explorer to Remain on OBN Duty

Nov 12, 2025

Norwegian marine seismic survey services firm SeaBird Exploration, part of SED Energy Holdings, has secured a contract extension for its Fulmar Explorer seismic survey vessel.The three-month contract extension for ocean bottom node (OBN) source…

TGS and Chevron Sign Data Acquisition Deal

Nov 05, 2025

TGS and Chevron have signed a three-year capacity agreement for marine streamer and OBN acquisition services.The minimum firm commitment under the three-year term of the capacity agreement is 18 months of a combination of OBN and streamer acquisition services…

Petronas, Chevron Sign Contracts for Production Offshore Suriname

Nov 05, 2025

Two consortia led separately by Malaysia's Petronas and U.S. Chevron have signed production-sharing contracts with Suriname's Staatsolie to explore and develop two offshore areas in the South American country, the state company said on Wednesday…

Viridien to Shed More Light on Malaysia’s Offshore Oil and Gas Potential

Oct 21, 2025

Viridien, in partnership with Malaysia Petroleum Management (MPM), a unit of Petronas, is finalizing an integrated geological study aimed at uncovering new exploration opportunities in the underexplored Langkasuka Basin in the Malacca Strait…

Call for Nominations: Marine Seismic Research Operations Committee

Oct 20, 2025

The UNOLS Marine Seismic Research Operations Committee (MSROC) is an advisory committee established in accordance with Annex IX of the University-National Oceanographic Laboratory System (UNOLS) Charter. We are seeking nominations for two committee members…

TGS Nets Offshore Survey Job in Gulf of America

Oct 20, 2025

Energy data and intelligence firm TGS has secured an ocean bottom node (OBN) acquisition contract in Gulf of America.The 4D monitor survey for an undisclosed client is scheduled to start in the fourth quarter of 2025.The duration of the acquisition will be approximately four and a half months…

Greece Targets Year-End to Complete Chevron Offshore Gas Exploration Deal

Oct 10, 2025

Greece is working hard to finalize a contract with U.S. oil major Chevron and its Greek partner Helleniq Energy for energy exploration offshore Greece by the end of the year, the country's energy minister said on Friday.Chevron and Greece's…

Shearwater Gets Seismic Job for Indian Oil Firm

Sep 22, 2025

Shearwater Geoservices has secured a seven-month streamer contract by Oil India, starting in the fourth quarter of 2025.The combined 3D and 2D seismic survey will employ two vessels from the Shearwater fleet.The project covers the Mahanadi and…

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…

TotalEnergies Secures Four Exploration Permits Offshore Liberia

Sep 17, 2025

TotalEnergies has signed four Production Sharing Contracts (PSCs) for exploration blocks offshore Liberia, which were awarded following the 2024 Direct Negotiation Licensing Round organized by the Liberia Petroleum Regulatory Agency.The agreements were signed for the blocks LB-6…

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