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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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7704016 |
Subsea docking system for electronic modules in subsea installations
A subsea docking unit 2 including an electronic module for being removably connected to a subsea docking station 1 comprises a canister B containing electronics to be connected to the docking...
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7112009 |
Apparatus and method for horizontal subsea connection
An apparatus for substantially horizontal connection of a conduit to a subsea structure: A frame connectable to and supportable by the subsea structure, the frame has a docking device operable to...
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7086807 |
Subsea connection apparatus
Apparatus for connecting a conduit to a subsea structure includes a frame connectable to the subsea structure by a docking mechanism, a conduit handling mechanism on the frame to facilitate...
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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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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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6755192 |
Apparatus for preventing or minimizing decompression illness in a scuba diver
An apparatus for preventing or minimizing decompression illness in a scuba diver, consisting of a first safety bar, at least one first cable attached to the first safety bar, and an oxygen delivery...
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6457907 |
Method and device for carrying out work on an object which is present under water
A method for carrying out work on an object which is present under water, in particular, a shipwreck, wherein persons make their way to the object under water and carry out the work in artificial...
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6435771 |
Method for attaching subsea manifold to pipeline tee
A method for attaching subsea manifolds to subsea pipelines which includes attaching a tee member into the pipeline on a vessel, running the portion of the pipeline through support structures which...
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6352389 |
METHOD OF CONSTRUCTION, DEPLOYING AND OPERATING SUBMERSIBLE AND REFLOATABLE UNDERWATER TUBULAR PLATFORM STRUCTURES AND THE LIKE, AS FOR UNDERWATER ILLUMINATION AND TARGET DETECTION, AND IMPROVED UNDERWATER PLATFORM STRUCTURES THEREFOR
A novel automatically submersible and refloatable underwater tubular pipe platform geometric structure adapted for deployment in underwater target monitoring systems and the like, wherein the...
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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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6042302 |
Dive rescue search device and method
A dive rescue search device has a stanchion with a locating mechanism for the device, a marking device to assist the diver and a search area marker to properly direct the search.
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5938140 |
Multi-purpose dive reel
The instant invention is an improved multi-purpose dive reel which automates underwater line-handling. The improved multi-purpose dive reel includes an anti-fouling line control system that...
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5869756 |
Moored water profiling apparatus
A water profiling apparatus having a streamlined body with a traction drive capable of repeatedly profiling along a moored or suspended cable or wire, for transporting sensing and sampling...
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5823708 |
Device which provides an underwater dry workshop environment for ship propeller inspection and repair
There is disclosed a means and a method for inspecting and repairing a propeller on a propeller shaft on a ship. The ship is in the water. A truss is positioned on the propeller shaft. A habitat...
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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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5795103 |
Oil tanker and method for recovering oil from submerged oil tanker
A system for recovering petroleum products such as oil from a sunken oil transportation vessel. The system includes first and second flexible conduits communicating with the oil-containing...
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5775844 |
Pipeline repair habitat
Embodiments of a pipeline repair habitat are disclosed which may be used to facilitate the repair of vertical underwater pipelines or risers. Two hollow, half-cylindrical shells are provided which...
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5755532 |
Articulating pressure conduit
A method and apparatus for connecting vessels which have equal or different internal pressures, or which are surrounded by equal or different pressures to permit transport between the connected...
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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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5727907 |
Method for the reparation of submerged pipelines
A method for the reparation of a submerged pipeline for faults includes installing a habitat system proximate the reparation zone, clearing the pipeline in the fault zone, aligning a plurality of...
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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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5585707 |
Tendon suspended platform robot
A robot comprised of a platform, tendons and a control system. The platform contains proximal reels for the storage, retraction and extension of the tendons, with each tendon having a reel. The...
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5567076 |
Welding chamber
A method of positioning a pipeline across a water-course. A first coffer dam is formed to isolate a first area of the water-course and a first part of the pipeline is then positioned in the first...
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5516235 |
Method and apparatus of raising objects from the sea bed
A flexible envelope, of fabric, plastic sheet or similar material, is made buoyant by being filled with water of lower salinity than the surrounding medium, and used to lift loads underwater. The...
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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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5458439 |
Pipe attachment and receiving assembly
A pipe attachment and receiving apparatus for severing and handling a subsea pipe. The apparatus including a chassis adapted to mount onto a subsea pipe and clamps for clamping the chassis to the...
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5456501 |
Pipeline connection apparatus
A pipeline connector apparatus comprising piston actuated means for gripping and sealing a pipe comprising a cylinder having an inner surface, the cylinder having a first groove for receiving a...
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5400735 |
Modular caisson for underwater tasks
A modular caisson for use in performing underwater tasks in a dry environment includes a plurality of interconnected modules. The end of at least one of the modules is equipped with an end cover...
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5324140 |
Flexible submersible compartment
A flexible, submersible compartment for underwater work in dry conditions which is particularly suited for work on petroleum drilling structures. The flexible, submersible compartment includes a...
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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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5235932 |
Submersible dock and dump mechanism
Mechanically cooperating assemblies on an undersea vehicle and an instrumation target assure the making of a rigid coupling for passing electrical, optical or fluid information between the vehicle...
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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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5215410 |
Method and means for controlled submersion and positioning of large, heavy gravity elements on the sea bottom
The immersion and positioning of a sink element on the sea bottom is controlled by providing a weight system suspended from the sink element. An auxiliary surface vessel has a control cable...
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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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5074712 |
Method and apparatus for remote repair of subsea pipelines
A method and apparatus for repairing leaks in subsea pipelines which comprises two split clamp halves with redundant seal means which are installed around the subsea pipeline in a programmed...
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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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5046895 |
ROV service system
An approximately neutrally buoyant system for operations in a subsea environment having a buoyant upper module, a heavy lower module, and multiple connecting members which allows trim stability and...
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5046896 |
Inflatable buoyant near surface riser disconnect system
A riser system includes inflatable buoyancy bladders and a near surface disconnect so that a drilling vessel can rapidly disconnect from the riser leaving the riser in a freestanding buoyant position.
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5042959 |
Undersea operation system
An undersea operation system comprising an undersea operation machine for conducting undersea operations such as undersea construction and the collection of stones and rocks, and a backup ship...
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5039254 |
Passive grabbing apparatus having six degrees of freedom and single command control
A six degree of freedom grabbing apparatus (20) allows normally open jaws (22) to be positioned in a desired location and orientation relative to a work platform (19), whereupon a single control...
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4974996 |
Process and device for the precision positioning of bodies on fixed structures under high depth waters
Device for the precision-positioning of bodies on fixed structures on the sea bottom in high-depth waters. The device comprises a fixed structure and an articulated structure. One end of the...
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4943187 |
ROV intervention on subsea equipment
A projecting actuation point and a hollow ROV-operable tool for subsea equipment both have a larger diameter surface and a smaller diameter surface, the former being nearest to the subsea...
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4913590 |
Mono-atmospheric chamber
A mono-atmospheric chamber module for placing on the top of a Christmas tree (1) in a well-head, to keep equipment and personnel at surface conditions during the execution of varied well...
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4881850 |
Subsea guidebase
A subsea landing base including a plurality of guide posts interconnected to a housing support structure including an upper annular plate, a lower annular plate, an annular control plate supported...
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4880335 |
Method and apparatus for removing concrete coating from pipe
An apparatus having improved safety and performance characteristics for the removal of a coating from a tubular member, and particularly adapted for the removal of a concrete weight coat from...
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4867608 |
Method and apparatus for repairing submerged liners
A working chamber is placed in a lined pond containing a body of contaminated water and filled with clean water to safely isolate divers while they repair damaged areas of the liner. The chamber is...
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4867605 |
Method and apparatus for retrieving a running tool/guideframe assembly
Method and apparatus for retrieving a running tool/guideframe assembly without the use of winch wires. A portion or each guidepost assembly can be unlatched from the seafloor-mounted template to...
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4863314 |
Hydraulic stab connector, frictionless
A hydraulic stab sub with multiple seals especially for use in remote and harsh environments with the ability to move the seals radially inward to a retracted position in which the hydraulic stab...
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4860975 |
Smart tunnel - docking mechanism
A docking mechanism for the docking of a space vehicle 11 to a space station 12 comprising a flexible tunnel frame structure which is deployable from the space station. The tunnel structure...
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