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SUBSEA 7 LIMITED

SUBSEA 7 LIMITED Patent applications
Patent application numberTitlePublished
20110142543Method of Using Sacrificial Pipe String - The present disclosure is directed to a method and system of laying pipe using a sacrificial pipe string to extend the length of an A&R winch wire. In one aspect, present disclosure is directed to a method of positioning a flowpipe on a sea floor from a vessel. The method includes lowering a first end of a flowpipe from the vessel. Additionally, the method includes connecting a pipeline end termination to a second end of the flowpipe. Also, the method includes connecting a first end of a sacrificial pipe to the pipeline end termination. In addition, the method includes connecting a winch wire to a second end of the sacrificial pipe. Furthermore, the method includes lowering the sacrificial pipe with the winch wire so that the pipeline end termination rests on the sea floor. Additionally, the method includes disconnecting the sacrificial pipe from the pipeline end termination.06-16-2011
20090095209APPARATUS AND METHOD FOR OPERATING AUTONOMOUS UNDERWATER VEHICLES - A method and apparatus of operating an autonomous underwater vehicle (AUV) may include receiving an AUV in a receptacle of a submersible station. The AUV and the submersible station may be launched to an underwater location. The AUV may engage with the submersible station before, after or during a mission, and may return to the same or a different submersible station after part, or all, of the mission has been completed.04-16-2009