Sweden's Stambanan through upper Norrland has reopened for traffic between Mellansel and Västeraspby, marking the restoration of the final damaged section following derailments caused by heavy rainfall in Västernorrland on November 6-7. The railway line resumed operations at approximately 1:30 PM on October 1, allowing train companies to begin running services along the route after weeks of disruption.

The repair effort faced significant challenges due to the extensive damage to both railway infrastructure and surrounding roads. Staffan Ökvist, Regional Maintenance Manager at Trafikverket, noted that the most difficult aspect was the scope of destruction, with multiple locations requiring simultaneous attention. Initial assessment proved difficult as damaged roads hampered access to the derailment sites, forcing crews to construct new access routes and work areas before restoration could begin.

Repair work involved substantial reconstruction efforts, including installation of new railway drums, rebuilding of the track bed, and repairs to both tracks and overhead power lines. Large quantities of earth materials and railway components were transported to the sites to facilitate the restoration. The railway authority also conducted track alignment runs using specialized trains to ensure the infrastructure met operational standards before reopening.

While the line is now operational, speed restrictions remain in effect on certain sections as work continues to stabilize the track bed. Trafikverket continues to prioritize rail transport management while monitoring the infrastructure's gradual return to full capacity. This restoration completes the recovery of Sweden's northern railway network, following earlier reopenings of the Botniabanan on September 15 and Ådalsbanan on September 24.

TGS, the Oslo-based energy data provider, has been awarded a significant ocean bottom node (OBN) acquisition contract in the Gulf of Mexico, marking another strategic win in one of the company's core markets. The 4D monitor survey is scheduled to commence in the fourth quarter of 2025 and will span approximately four and a half months. This contract represents continued confidence in TGS's capabilities from the international oil company client, though the specific customer identity remains undisclosed.

The contract was notably absent from TGS's booked position disclosed in the company's second quarter 2025 presentation, indicating a recent acquisition for the seismic data specialist. The Gulf of Mexico remains a critical region for offshore energy production, and 4D seismic monitoring plays an essential role in optimizing reservoir management and production efficiency for major operators in the region.

Kristian Johansen, CEO of TGS, emphasized the significance of securing business from repeat customers, stating that the client values TGS's OBN technology and proven track record of project execution. "The client is confident we will deliver high-quality data and insights to optimize production from one of their highest producing facilities in the Gulf of Mexico," Johansen commented, highlighting the operational importance of the project for the customer's production optimization efforts.

TGS's expertise in OBN technology positions the company as a trusted partner for international oil companies seeking to maximize recovery from existing assets. The 4D seismic approach allows operators to monitor reservoir changes over time, providing critical data for production optimization decisions. This latest contract win reinforces TGS's strong position in the Gulf of Mexico market and demonstrates the ongoing demand for advanced seismic monitoring solutions in mature offshore basins.