DIVING, UNDERWATER OPERATIONS AND SUBSEA ENGINEERING

With more than 25 years of experience in the formulation and execution of diving and submarine projects, Sealand is not only an effective solution provider but also a collaborator capable of supporting the sustainability and competitiveness of the projects entrusted to it by its clients.

With more than 25 years of experience in the formulation and execution of diving and submarine projects, Sealand is not only an effective solution provider but also a collaborator capable of supporting the sustainability and competitiveness of the projects entrusted to it by its clients.

Sealand is familiar with the main regulations of the sector, such as the ASME Code, the API standard, NORSOK standards and with the DnV rules for underwater pipelines DNVGL-ST-F101 Submarine pipeline systems, as well as with the rest of RP-F series codes from the RP-F 101 / 116, but also with the codes of ABS, BS8010, ISO; among others.

Sealand carries out any kind of Inspection and maintenance activities related to subsea pipelines, such as:

• Complete reviews of pipe integrity. Inspection, maintenance& assessment
• Analysis of the interaction of the pipe with the bottom and the behavior of its stability
• Repair of damaged subsea pipelines
• Repair and construction of bases for the support of the pipeline as well as the fastening blankets
• Non-destructive tests in the pipe at any depth
• Maintenance of valves and other elements
• Revision of galvanic potentials, corrosion effects and protection
• Leak sealing and plugging
• Freespan correction

Sealand has a wide expertise about the implementation of plans to repair and/or strengthening offshore and subsea engineering facilities addressed to avoid any significant change of the structural integrity of the structure, mainly in ageing offshore and underwater facilities.

The methodology applied by Sealand to evaluate the assets condition is the SAAM:

• Asset Assessment Program