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7854569 |
Underwater unmanned vehicle recovery system and method
In various embodiments, an apparatus for use in the recovery of unmanned underwater vehicles includes a recovery vehicle configured to be coupled to a winch via a tether. The recovery vehicle...
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7762743 |
Distributed temperature sensing in a remotely operated vehicle umbilical fiber optic cable
Methods and apparatus for monitoring a remotely operated vehicle umbilical condition in real time allowing for improving of power delivery as well as early detection of threats to integrity of the...
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7597811 |
Method and apparatus for subsurface oil recovery using a submersible unit
Pollutants such as hydrocarbons which have settled on the bed of a body of water are removed to the surface using a submersible vehicle positioned above the bed of a diver supported on a platform...
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7540255 |
Propulsion and steering mechanism for an underwater vehicle
A propulsion system is provided for an underwater vehicle such as a Remote Operated Vehicle (ROV). Two propellers are independently driven by motors, while the orientation of the propellers is...
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7363844 |
Remotely operated, underwater non-destructive ordnance recovery system and method
A remote operated, underwater non-destructive ordnance recovery system, includes a powered remote controller, a floating remote controlled transceiver wired to a remote disposal unit having a...
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7303360 |
Underwater inspecting and repairing system
Disclosed is a system that performs inspection and repair of an underwater structure, specifically core internals in a pressure vessel. An underwater vehicle is provided with a drive wheel, a...
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7210556 |
Method and apparatus for installing a sensor array
An apparatus and method is provided for transporting, installing, retrieving, and replacing a sensor array of individual sensor pods at a geographically remote location, such as on the sea floor....
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7131345 |
Device for inspecting plant parts located under water
A device for inspecting submersed plant parts is particularly suited for ultrasonic inspection of screws in the core baffle of a nuclear reactor pressure vessel. The device includes a...
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7121310 |
Underwater pile cutting apparatus and method of use
An apparatus for cutting wooden piles underwater and a method of use are disclosed. The apparatus has a frame and brace configured for engaging a pile. A pressure medium activated cutting device is...
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6935262 |
Method for lowering an object to an underwater installation site using an ROV
The method for lowering an object to an underwater installation site, wherein a submersible remotely operated vehicle (ROV) having at least one thruster for providing lateral thrust is...
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6928709 |
Apparatus for remote installation of devices for reducing drag and vortex induced vibration
Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for...
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6926467 |
Method and device for replacing equipment on the seabed
A device (20) for replacing equipment, i.e. modules on an installation (10) on the seabed. The device comprises a box-shaped buoyancy element which has storage spaces (25) for equipment together...
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6857486 |
High power umbilicals for subterranean electric drilling machines and remotely operated vehicles
The method of providing in excess of 60 kilowatts of electrical power to the electrical motor of a subterranean electric drilling machine through a substantially neutrally buoyant composite...
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6832874 |
Modular seabed processing system
To install a modular seabed processing system (1) on a seabed, a monopile foundation (3) is first lowered down and driven into the seabed. A docking unit (4) is lowered towards the installed...
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6826452 |
Cable array robot for material handling
A cable array robotic system and apparatus for applications such as cargo handling at sea and pallet handling in manufacturing, based on a multi-cable robotic control system is disclosed. The...
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6808021 |
Subsea intervention system
A system that is usable with subsea wells that extend beneath a sea floor includes a station that is located on the sea floor and an underwater vehicle. The underwater vehicle is housed in the...
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6622799 |
Method for subsea pod retrieval
A method for controlling subsea drilling operations including, in at least certain aspects, controlling the subsea drilling operations with a control system having three subsea pod containers of a...
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6588985 |
Apparatus and method for deploying an object or a load on a seabed
A method and an apparatus, for deploying an object or a load on the seabed, the object or the load being coupled to a hoist, such as a hoisting wire in order to enable the object or the load to be...
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6566834 |
Modular suspended manipulator
A cable-driven manipulator can precisely manipulate tools and loads using position, velocity and force control modes. The manipulator includes a plurality of cables (2 or more) that are...
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6443660 |
Method and system for manipulating an object located underwater
An apparatus for manipulating an object located proximate an underwater floor is disclosed, in a preferred embodiment comprising a foundation implantable in the underwater floor; a lifting frame...
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6422315 |
Subsea drilling operations
A method for retrieving a subsea pod from a lower marine riser package platform by connecting a buoyant pod retriever to the subsea pod and raising the subsea pod to the surface. In certain...
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6260504 |
Multi-ROV delivery system and method
A TMS, cage type or top hat type incorporates a deployment frame. The TMS may be operated by a winch from a surface vessel. The TMS delivers a main ROV and a smaller mini ROV. The main ROV is fully...
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6178670 |
Underwater mining apparatus
There is provided an improved apparatus for recovery of sea-bed material. Known apparatus suffer from problems such as low recovery rate and capital cost. The invention, therefore, provides a...
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6102124 |
Flying lead workover interface system
Flying lead hydraulic and electrical umbilical arrangements are disclosed for control of a subsea christmas tree for production and workover operations. Alternative arrangements for deep water ROV...
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6068427 |
System and method for replacement of components on sea bottom-based installations
A system and methods for diverless replacement of a functional component installed on a service unit on a sea bottom-based installation is provided. The component is fitted releasably into the...
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5975803 |
System and method for connecting together two assemblies which can move one with respect to the other, especially in underwater installations
System and method for joining together two assemblies which can move one with respect to the other, especially in underwater installations, comprising a remote-operated vehicle (17) comprising...
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5915883 |
Submersible drive unit for use with underwater pile drivers and work units
Submersible driving units with hydraulic pumps driven by underwater electric motors and linked to a hydraulic medium reservoir which may be connected to the driving mechanism of underwater ramming...
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5868182 |
Submersible logging device
The underwater logging device of the present invention is selectively remotely maneuverable to engage submerged free standing timber with sawing and dogging apparatus for selectively sawing and...
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5820300 |
CO2 sea bottom throw-away system
A CO2 deep sea throw-away system includes a floating offshore base (2), receiving liquefied CO2 carried by a liquefied CO2 carrier (1). The base has a throwing pipe (3) and a throwing pipe outlet...
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5730553 |
Carriage movable in water
A carriage movable in waste including: a body having a float at its upper portion and a weight at its lower portion to suspend in the water, the body having an opening in its abdomen; a thrust fan...
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5642965 |
Interface system for operation of remote control vehicle
All points at which torque is usually applied to subsea equipment, particularly in the search for and production of oil, are centralized at a single panel upon which standard kinds of connecting...
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5593249 |
Diverless flowline connection system
A diverless flowline connection system for connecting a flowline to a subsea wellhead or other subsea structure. The diverless flowline connection system is used with a remotely operated vehicle....
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5507596 |
Underwater work platform support system
A support system for supporting an underwater work platform includes a work platform submerged in a body of water and a support structure supported by the body of water above the work platform. The...
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5501549 |
Pulling and connecting tool for subsea conduits
A tool for the remote-controlled pulling, aligning and connecting of a subsea conduit to a subsea installation. The tool includes a framework, a pulling wire with a pulling head which can be...
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5443328 |
Connecting apparatus
Apparatus (1) for connecting first (9) and second (33) parts of an under-water connector comprises a first carrier (2) adapted to receive the first connector part (9) and having an axial guide...
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5318384 |
Device for depositing and recovering a heavy load on the ocean floor
A device for depositing and recovering a heavy load on the ocean floor including a first part which can be attached mechanically to a handling and recovery cable and a second part which can be...
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5316412 |
Remote controlled underwater joint and crack sealing
The inspection of underwater structures and the repair of leaking cracks or oints therein is effected by the use of a platform positionable at the work site and supporting an equipment cart movable...
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5273376 |
Back-up connector release tool
An emergency release tool for operation by a remotely operated vehicle (ROV) for forcefully releasing a riser from a subsea well assembly The tool includes hydraulic cylinders mounted on a frame...
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5249891 |
Guideline system for underwater observation camera systems
An apparatus for guiding camera systems and the like subsea from a platform has a running tool and a guideline holder. These components are detachably assembled and the first runs and retrieves the...
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5230588 |
Method and device for paying out or hauling in the supply line cable of an underwater device
In a method and a device for paying out or hauling in a supply line cable of an underwater device from a ship or a suitable platform, the supply line cable is guided from a drum of a winch through...
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5219245 |
Recovery system for a submerged instrument
A recovery system for a submerged instrument that includes a buoyant member and an electrically promoted magnetic flux diversion device comprising a pair of pole pieces, a permanent magnet disposed...
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5203646 |
Cable crawling underwater inspection and cleaning robot
An underwater robot is employed to clean and/or inspect the inner surfaces of high flow rate water inlet pipes for various facilities, such as power plants, water treatment plants, etc. The robot...
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5203645 |
Underwater manipulator
Self-contained, waterproof, water-submersible, remote-controlled apparatus is provided for manipulating a device, such as an ultrasonic transducer for measuring crack propagation on an underwater...
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5201610 |
Grout bag deployment pallet
An apparatus and method for placement and deployment of grout bags which, when deployed by filling with grout, act as supports for subsea pipelines or structures. The apparatus includes a pallet to...
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5188483 |
Subsea pipeline recovery clamp
A clamp is disclosed which is capable of latching on to a buckle arrestor on a subsea pipeline which has been severed in the vicinity of the buckle arrestor. By severing the pipe in this location...
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5143483 |
Hydraulic stab subassembly for remotely operated vehicle vertical interface tool
An hydraulic stab sub for use in a remote location that can be inserted into a receptacle with the seals in a retracted position. The seals are expanded to a sealing portion using hydraulic...
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5107930 |
Guide line attachment
A guide line attachment for releasably attaching a guide line to a guide post top or other portion of a sub-sea installation has three relatively movable spring loaded concentric sleeves, the...
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5092711 |
Diverless installation of riser clamps onto fixed or compliant offshore platforms
Riser clamps are installed onto fixed or compliant offshore platforms by a diverless technique. Each riser clamp is rigidly or hingedly attached to a heavy tapered wedge. Mating tapered receptacles...
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5074713 |
Connector module to deal with, extend and repair undersea lines, operated by remotely operated vehicle
A system to deal with and extend and repair undersea lines, worked by remotely operated vehicle is provided, consisting of an integrated system of lines and connector modules, aforesaid connector...
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5069580 |
Subsea payload installation system
Improved methods and apparatus are provided for landing and securing a payload to a subsea assembly, such as a hydrocarbon recovery assembly, utilizing a surface vessel and a subsea ROV. The...
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