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Dutch company wins Petrobras order for two semisubs

06th January 2014

OOS International’s semisubmersible crane and accommodation platforms will be stationed in the Campos and Santos basins

Dutch company wins Petrobras order for two semisubs
With delivery slated for beginning 2014, the two platforms will work for Petrobras for a four-plus-four year period

Overdulve Offshore Services (OOS International), a Dutch-based offshore accommodation services company, on Monday announced it secured a charter contract from Petrobras for two semisubmersible crane and accommodation platforms to operate offshore Brazil.


The two semisubs, OOS Gretha and OOS Prometheus, will work offshore Brazil in the Campos and Santos basins for an initial period of four years, with an additional four years as an option. Delivery is slated for beginning of 2014. The company did not disclose the value of the contract.


With 138 m x 81 m x 39 m dimensions (length / beam / height to main deck), the OOS Gretha is a DP3 semisubmersible crane, construction and accommodation vessel equipped with two Huismann 1800 ton cranes and six DPS3 3.8 Mw fully Azimuth thrusters. The semisub is able to accommodate 618 persons.


The OOS Prometheus is slightly smaller, with 118 m x 70 m x 38 m dimensions and a 500-person accommodation capacity. The floating platform boasts a 1100 ton lifting capacity and a 12-point mooring system.


The OOS Gretha and OOS Prometheus are capable of operating in the Gulf of Mexico, offshore Brazil and West Africa, as well as in the North Sea and Southeast Asia.


Semisubmersibles are considered the most stable of all floating platforms, able to withstand very harsh conditions at sea.

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