Subsea Intervention Lubricator (SIL)
Cost-saving riserless intervention and abandonment solutions on wireline and slickline for subsea wells.
Since 1987, the Seawell has been operating throughout the North Sea, providing subsea well intervention solutions and pioneering subsea light well intervention (LWI).
This DP2 LWI and saturation diving vessel features a purpose-built module handling system (MHS) tower positioned over a moonpool. The custom design and multiservice capability significantly reduce intervention time and provide a cost-effective method of maintaining subsea well stock through well maintenance and production enhancement solutions.
The Seawell’s MHS is capable of deploying both 5-in and 7-in subsea intervention lubricator (SIL) systems to 1,640-ft [500-m] water depth. This includes the 7 3/8-in electrohydraulic SIL, which enables communication with latest-generation subsea trees. The tower also incorporates guide-wire tensioners and winches, active and passive podlines, and constant-tension launch and recovery system (LARS) winches.
Built-in vessel tanks provide generous storage for chemical treatment (pumping) capabilities.
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