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ROV are controlled submarine vehicles from the surface through an umbilical cord called normally tethers, for which orders are transmitted by its pilot emanating from the surface. They are highly maneuverable and at least have a video camera and lights. Depending on its type, ROVs  can carry accessories such as sonar, manipulator arms and sensors of various kinds.

They are classified according to their size, as microROVs, those weighing less than 3 kilos, highly maneuverable and allow shallow operations; miniROVs, which averaged 15 kg and can be operated by 1 person. Here are the first ROV intervention operations that allow
or permit the installation of additional sensors and sonars, General, with power up to 5 HP, which generally allows dives of up to 1000 mt. Subsequently, the work follows Light, with powers less than 50HP and depths less than 2000mt, to move to the heavy duty, with power of less than 200HP, which operate almost exclusively as electro-hydraulic and reach depths approaching 3500mt. Finally, the largest class ROV is called burial or exhumation, which range from 200 to 600HP potential with multiple manipulator arms and a high load on board. The latter types of ROVs are designed primarily for oil drilling operations.

Underwater robots normally used in Chile are of general type, mini or micro ROVs are normally used and depending on your configuration, the scavenging and location of underwater objects, pipeline inspections inside and outside, hull inspections ship and sampling and data at great depths, among other uses.

These teams play an important role in enabling operations where the diver is unable to reach either by depth and by confinement in the area of ​​inspection. By allowing the diver to replace this type of operation extends the range in the area of ​​underwater inspections without increasing the
risk of introducing people in confined spaces or to go beyond the depth limit for humans.

Marine Skyring has two mini underwater robots and general type, both with the ability to carry a sonar image manipulator arm and various cameras. One of them is specifically trained to enter long pipelines for special projects up to 5 km, by means of fiber optic cable of 2mm

Experience and a brief description of some of the projects involved:


· ROV survey incide a 500m pipeline of treated efluents for  paper mill company Arauco.  January 2012.


· Underwater ROV survey for a treated water pipeline in San Antonio. December 2011.


· Operation Loreto I, II and III. September and November 2011. Search, positioning and recovery of  Casa C212 in Juan Fernandez Island.


· ROV survey to remains of former Dredger Boston, and other u/w obstales in Maritime Terminal San Vicente ENAP. May 2011.


· ROV search for mooring chains and anchors in Valparaíso and San Antonio. 2010—2012.


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