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US 6,148,759 AGranted
Remote ROV launch and recovery apparatus
AssigneeJ. Ray McDermott, S.A.
InventorLeland Harris Taylor, Jr.
Life of this patent
Estimating the term…
Abstract
A remotely operated ROV service vessel. The remotely operated vessel utilizes dynamic positioning. The vessel is remotely controlled by radio telemetry, preferably modular in construction, and may be semi-submersible. The vessel contains a radio telemetry package, one or more generators, an umbilical winch for lowering and raising an ROV, space for receiving and storing an ROV, and ballast control.
Claims2
A remotely operated ROV service vessel, comprising:
- a. a first self-buoyant module;
- b. electrical generating means housed in said first module;
- c. a second self-buoyant module attached to and spaced apart from said first module;
- d. an umbilical winch housed in said second module, said winch having an umbilical line adapted for attachment to and providing control inputs to an ROV;
- e. dynamic positioning thrusters provided on said first and second modules;
- f. a third module attached to the upper end of said second module;
- g. radio telemetry equipment housed in said third module adapted to receive radio signals and to provide control inputs to said generators, winch, dynamic positioning thrusters, and to an ROV attached to the umbilical line.
4 more elements
Dependencies are inferred from the claim text.