Marine Link
Wednesday, November 5, 2025

Subsea Construction Vessel News

08 Jul 2025

Rem Offshore's Zero-Emission Subsea Construction Vessel Hits Water (Video)

(Credit: Rem Offshore)

Norwegian shipowner Rem Offshore has launched the hull for its dual-fuel methanol energy subsea construction vessel (ESCV) Rem Pioneer in Vietnam, months ahead of schedule.The launch ceremony was held on June 27 at Song Cam shipyard in Vietnam.According to the company, hull construction will continue for a while, and outfitting will begin in the autumn at Myklebust Verft.Rem Pioneer ESCV will be delivered in 2026 and will be the first of its kind that can perform heavy construction…

19 Jun 2025

DOF's Subsea Construction Vessel Gets Atlantic Region Jobs

© DOF Group

DOF Group has signed multiple contracts for the Skandi Inventor subsea construction vessel (SCV) in the Atlantic region. The contract is for 100 days of firm work, with additional options available.The Skandi Inventor, a state-of-the-art DP3 construction vessel equipped with a 400-ton Active Heave Compensated (AHC) crane and a large working deck, has recently undergone significant upgrades. The vessel is now fitted with two brand new Work Class ROVs (WROVs) and a modern survey suite…

02 Jun 2025

Huisman to Deliver Cranes for Olympic’s Subsea Construction Vessels

(Credit: Huisman)

Huisman has secured a contract for the delivery of two Knuckle Boom Cranes, which will be installed on the new Olympic Group’s subsea construction vessels.The two 250 mt cranes will be installed on UT 7623 SEV series of Olymipic’s vessels.The contract was signed last month with China Merchants Heavy Industries (CMHI) in Shenzhen and follows a series of recent Knuckle Boom Crane deliveries to the offshore construction industry.The cranes will feature Huisman’s proprietary Active Heave Compensation system.

07 May 2025

EMGS Diversifies Business with Siem Day Subsea Construction Vessel Buy

Siem Day OSCV (Credit: DeepOcean)

Norwegian geophysical services company Electromagnetic Geoservices (EMGS) has established a new business platform within the offshore subsea construction market, having entered into a set of agreements for the acquisition of Siem Day offshore subsea construction vessel (OSCV).A newly formed subsidiary of EMGS will acquire the OSCV Siem Day from the seller Siem Day II, which is a wholly-owned subsidiary of Siem Offshore.The acquisition represents a strategic diversification for EMGS…

14 Mar 2025

Kongsberg to Design and Equip Olympic’s Two Subsea Construction Vessels

(Credit: Kongsberg Maritime)

Kongsberg Maritime has signed a contract for the design and equip two multi-purpose subsea vessels for Olympic Group, which will be methanol-ready and feature battery hybrid technology.The UT7623 Sustainable Energy Vessels (SEVs) are the first references for Kongsberg Maritime’s latest subsea construction vessel designs and will feature a fully integrated package of technology including rim-drive propulsion, hybrid power and winch systems.The vessels will be constructed at the CMHI shipyard in Shenzhen…

12 Feb 2025

Ocean Installer Extends Charter for North Sea Giant Subsea Construction Vessel

(Credit: Ocean Installer)

Ocean Installer, a subsidiary of Moreld, has executed an 18-month option, extending the charter-party with ship owner North Sea Shipping for the advanced multi-purpose offshore construction vessel North Sea Giant.The charter has been extended to the end of the first quarter of 2027 in order for Ocean Installer to meet contractual obligations and continued strong demand for offshore construction capacity, the company said.The option agreed North Sea Shipping covers an 18-month…

21 Jan 2025

DeepOcean Extends Charters for Three Subsea Construction Vessels

Edda Freya vessel (Credit: DeepOcean)

Ocean services provider DeepOcean has cemented its subsea offering with the extension of its charter agreements with Østensjø Rederi for three vessels.DeepOcean’s most advanced subsea vessel, Edda Freya, will remain part of the fleet through 2026, with additional options available.DeepOcean and Østensjø Rederi have agreed to extend the existing contracts for Edda Freya and Edda Flora through 2026, and Edda Fauna through 2027, with additional options available for all three vessels.Østensjø Rederi has been a partner of DeepOcean since its inception.

13 Jan 2025

Solstad Offshore’s CSV Gets Multi-Year Contract

Normand Frontier CSV (Credit: Solstad Offshore)

Norwegian offshore vessel owner Solstad Offshore has been awarded a three-year contract with an international contractor for its construction support vessel (CSV) Normand Frontier.The firm contract has an immediate startup and will keep the Normand Frontier fully committed until end 2027, Solstad Offshore said.No additional details about the client or the value of the contract have been disclosed, except that the vessel will support the client’s operations worldwide.As part of the charter party…

08 Jan 2025

DeepOcean Adds High-Spec Subsea Vessel to Its Fleet

Orient Adventurer (Credit: DeepOcean)

Ocean services provider DeepOcean has signed a charter contract for the high-spec subsea vessel Orient Adventurer.The new capacity aligns with the company’s service offerings and subsea capabilities across both the offshore renewables and conventional energy sectors in multiple regions.Under a new contract with Dong Fang Offshore (DFO), DeepOcean will take on the Orient Adventurer as part of its fleet from early 2026 until the end of 2027.The agreement includes options for up…

06 Jan 2025

Boskalis to Bolster Fleet with ‘Largest Subsea Rock Installation Vessel in Industry’

(Credit: Boskalis)

Dutch marine services firm Boskalis has announced the latest addition to its fleet, a giant subsea rock installation (SRI) vessel with a cargo capacity of 45,500 metric tons, which is set for delivery in the first quarter of 2026.The vessel, named Windpiper, will be the largest SRI vessel in the industry, according to Boskalis.The Windpiper is set to play an important role in facilitating the energy transition working on offshore wind projects, with the ship’s first projects are…

28 Nov 2024

PXGEO to Keep Sea1 Offshore’s Subsea Construction Vessel on Duty

Sea1 Spearfish OSCV (Credit: Sea1 Offshore)

Norwegian offshore vessel owner Sea1 Offshore has secured contract extension from marine geophysical service provider PXGEO for its offshore subsea construction vessel (OSCV) Sea1 Spearfish.PXGEO exercised the option to extend the contract for Sea1 Spearfish OSCV for one more year until the first quarter of 2026.The vessel will continue to be engaged within the marine geophysical segment and support charterer's operations world-wide.Sea1 Offshore entered the one year contract with PXGEO for the vessel back in February 2024…

26 Jun 2024

Solstad’s Subsea Construction Vessel Gets Long-Term Assignment from Prysmian

Normand Ocean CSV (Credit: Solstad Offshore)

Norwegian offshore vessel owner Solstad Offshore has signed a five-year contract for its subsea construction support vessel (CSV) Normand Ocean with Prysmian Powerlink.With the contract, the vessel will be on a firm contract with Prysmian until 2032, with an additional two-year option.Prysmian has contracted the CSV Normand Ocean to support the installation of power cable systems on the company's global projects.The firm contract will start during the first or second quarter of 2027 and run until 2032.

23 May 2024

Kongsberg Maritime to Make Solstad’s Normand Sentinel More Energy Efficient

Normand Sentinel (Credit: Kongsberg Maritime)

Kongsberg Maritime has been tasked to conduct energy efficiency upgrades on Solstad’s Normand Sentinel, one of its most prominent subsea construction vessels.This upgrade will see the vessel transition to Kongsberg Maritime’s electric rim-drive azimuth thrusters, marking a milestone in maritime energy efficiency.The Normand Sentinel, measuring 143 metres in length and boasting years of reliable service, is set to receive this upgrade during its next scheduled drydocking.The vessel’s…