![]() ![]() The Nova module will be used for the tie-back of the Wintershall Dea operated Nova field, located about 120 kilometres northwest of Bergen, with a water depth of 370 meters.Īs was the case with the ConocoPhillips decom project, Sleipnir ran on LNG during Nova module installation to reduce carbon emissions. Installation was completed within three hours. The giant vessel picked up the 740mT module from a barge outside Stavanger, Norway, and transported it to Neptune Energy’s operated Gjøa platform. Heerema will also be working on the removal of the platform’s jackets later this year.Įarlier this month Sleipnir transported and installed the Nova topside module on the Gjøa platform in the North Sea. Michel Hendriks, Heerema chief operating officer, said, The safe and successful installation of the 17,000 metric tonne TEG module is a fantastic milestone for Heerema and Sleipnir. Using Sleipnir made an already environmentally friendly process of removing retired platforms from our seas as sustainable as possible, the company explained.ĭuring the project, Sleipnir ran on LNG when next to the platform. Having lifted it off the delivery vessel, Sleipnir sailed one nautical mile to the jacket foundation, raised the module 9 metres and lowered it onto its six legs. Heerema also developed a dedicated subsea excavator to prepare the jacket for removal later this season by Sleipnir.Īccording to Heerema, it was particularly appropriate that Sleipnir would perform the decommissioning work as it is the world’s most sustainable SSCV. ![]() This topsides campaign entailed Engineering, Preparation, Removal, and Disposal/Recycling of five modules, a crane boom, and a burner boom within the Greater Ekofisk Field. ![]() Now, the Ekofisk 2/4A platform will be recycled up to 99% at the AFEBV decommissioning site in Vats, Norway. The permanent production platform was the oldest on the Norwegian shelf when oil production ended in September 2013. The giant vessel picked up the 740mT module from a barge outside Stavanger, Norway, and transported it to Neptune Energy’s operated Gjøa platform. The decommissioning of the Ekofisk 2/4A platform is the final stage of an important story in Norway’s energy history. Earlier this month Sleipnir transported and installed the Nova topside module on the Gjøa platform in the North Sea. Now, almost fifty years later, Sleipnir has returned to complete the journey. It was a unique project, as Heerema’s Champion installed the same modules for ConocoPhillips at the Greater Ekofisk Field in the 1970s, Heerema said in a statement on Tuesday. The vessel SLEIPNIR (IMO: 9781425, MMSI 374887000) was built in 2019 (3 years old) and is currently sailing under the flag of Panama. The vessel is en route to the port of Xiamen and expected to arrive there on Jul 3, 5 PM. Earlier this month, Heerema Marine Contractors’ giant semi-submersible crane vessel (SSCV) Sleipnir completed its first decommissioning campaign of the season. The current position of SLEIPNIR is at coordinates 54.2662 N / 2.32253 E, reported 22 minutes ago by AIS. ![]()
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