Ocean services provider DeepOcean has won a contract from Equinor ASA to support the Troll B-Increased Gas Export project, located in the northern part of the North Sea.
The Troll B-Increased Gas Export project involves replacing the current 15-inch gas export riser with a new 13-inch gas export riser on the Troll B platform, DeepOcean said in a press release Wednesday. The scope of DeepOcean’s contract includes the engineering, transport and installation of the gas export riser, subsea links and pre-commissioning support. The value of the contract was not disclosed.
Troll B is a floating processing and accommodation platform with a concrete substructure, according to the press release.
Project management and engineering for the Troll B lift replacement will begin immediately at DeepOcean’s Stavanger office with additional support from the company’s Haugesund office in Norway. The company plans to run offshore operations in 2024 using the installation vessel Edda Freya, which is on charter to DeepOcean, the company said.
“We believe this award recognizes our strong performance on previous hoist replacement work for Equinor. We look forward to working with Equinor to ensure the Troll B project is also delivered successfully and safely,” said the Commercial Director of Deep Ocean for Europe, Rolf Ivar Sordal.
Over the past few years, DeepOcean has successfully completed similar lift replacement operations, including complex marine operations, at several Equinor-operated fields, including Njord, Kristin, Troll C and Asgard. In addition, DeepOcean recently completed a similar riser replacement job at Snorrefield, the company said.
“Our qualified onshore and offshore personnel together with the Equinor team have introduced a new benchmark of efficiency and operability in this part of the offshore construction segment,” said Sordal.
In other Equinor news, Ocean Installer won the 2023-2025 Subsea Line Modification (SLM) project covering work on the Visund, Vigdis and Asgard fields and the Northern Lights CO2 pipeline, according to a press release separate from Ocean Installer.
The contract includes the replacement of elevators in the Vigdis, Visund and Asgard fields, with engineering starting immediately. Offshore operations are planned for 2024 with optional work in 2023 and 2025, Ocean Installer said.
The scope of the project includes two MORGRIP connections using Equinor’s PRS Spread (Pipe Repair System), one at Vigdis as part of the riser replacement and a campaign connecting the onshore section of the receiving terminal of CO2 from Oygarden with the offshore section of the new Northern Lights. CO2 pipeline, according to the release.
Northern Lights offers carbon dioxide transport and storage as a service and is part of Norway’s project to develop a large-scale carbon capture and storage value chain. The company is owned by Equinor, Shell PLC and TotalEnergies SE, and the onshore and offshore facilities are developed by Equinor on behalf of the Northern Lights joint venture. According to the statement, the first phase of the project, with a capacity to inject up to 1.5 million metric tons of carbon dioxide per year, is scheduled to be ready to operate in 2024.
“This is our third Equinor award this year and we are pleased to see that Equinor continues to place its trust in us to run these complex offshore operations,” said Kevin Murphy, CEO of Ocean Installer. “This award adds to our long history of SLM work with Equinor, stretching back ten years since the first award in 2013. The scope of the Northern Lights C02 pipeline, further demonstrates that our marine construction competence can transfer to renewable energy projects, expanding our addressable market.”
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