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8152581 |
Floater for marine hose
Provided is a floater for marine hose, which can be easily formed into an annular shape conformable even to marine hoses having variations in the circularity of their cross-section or to marine...
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8083439 |
Riser support system for use with an offshore platform
A riser support system for use in a body of water comprises a buoyant and ballastable support structure and a plurality of substantially vertical and rigid risers each of which is attached to the...
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7985036 |
Process, system and equipment for the towing of underwater pipelines
Process for the towing of underwater pipelines by means of head tugs for the pulling and tail tugs for the counter-pulling characterized in that it is effected by the use of a set of equipment,...
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7975639 |
Float for use in water-based security system
Embodiments of this invention describe a float for use with a running gear entanglement system (RGES) deployed on water, in addition to an improved system and method for using an RGES deployed in...
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7771245 |
Assembly of buoys for flexible submarine pipe
An assembly of support buoys for a flexible submarine pipeline which is designed for the transport of hydrocarbons. A plurality of buoys which can be installed gradually on at least one portion of...
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7749035 |
Buoyancy clamp and method of application
A clamp for securing to a pipe or flowline for mounting buoyancy thereon, the clamp comprising: (i) a clamp body (2) having surfaces against which buoyancy may abut, (ii) a strap (6) for urging the...
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7628665 |
Drilling riser buoyancy modules
Buoyancy modules for subsea riser pipes are made of syntactic foam solid cores covered with tough high density polyethylene shells. Inner surfaces have partial semi-cylindrical surfaces to fit the...
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7537416 |
Riser support system for use with an offshore platform
A riser support system for use in a body of water comprises a buoyant and ballastable support structure and a plurality of substantially vertical and rigid risers each of which is attached to the...
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7431623 |
Modular vertical floating pipe
Modular vertical floating pipe comprising a plurality of modules, each module formed by (a) two pipe segments of slightly different diameter, the lower segment with the smaller diameter segment...
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7421754 |
Hose lifter for an underwater pool cleaning device
A buoyant hose lifter which selectively attaches to a portion of an existing hose of an underwater pool cleaning device, wherein the buoyancy of the hose lifter may be selectively varied by a user,...
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7328747 |
Integrated buoyancy joint
A buoyancy system includes a plurality of buoyancy joints distributed along a riser system. Each joint can include a riser pipe, an external frame disposed around a riser and a vessel, and a...
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7214114 |
Buoyancy element and module
A buoyancy element (200) is disclosed which comprises a moulded body of plastics-composite material incorporating reinforcement (202) comprising at least one elongate flexible member or filament,...
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7195530 |
System and methods to install subsea structures
There is disclosed a system comprising a structure in a body of water, wherein the body of water comprises a depth comprising a top-section from a surface of the body of water to one-third of the...
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7112008 |
Floating construction for launching pipelines even in low-depth conditions
A floating construction for launching pipelines, even in low-depth conditions, comprises at least a hollow floating body, engageable with a supporting framework, comprising removably coupling means...
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6854516 |
Riser buoyancy system
A frame and system for adding buoyancy to a riser used in connection with floating platforms is provided which, in some example embodiments, includes a stem attached to multiple supports which...
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6821055 |
Marine buoyancy modules and units
A cylindrical buoyancy unit is composed of separate sections which are held together to surround a marine object such as a riser or pipe with additional conduits. The sections combine to define an...
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6758710 |
Method of reinforcement of marine buoyancy modules
A marine buoyancy unit which fits at least partly around a marine object such as a riser with auxiliary conduits is composed of syntactic foam with an external layer or skin of harder polymeric...
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6739926 |
Damping of conductor tubes
A method of damping a conductor tube in a guide tube therefor comprises the steps of inserting a bag between the conductor and the jacket and filling the bag with a settable material to provide a...
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6688930 |
Hybrid buoyant riser/tension mooring system
A buoyant hybrid riser/tension (BHRT) member moors a floating body on the sea surface to a pipeline terminated at a submerged structure. The BHRT includes one or more conduits, one or more tension...
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6632112 |
Buoyancy module with external frame
A buoyancy system for deep-water risers of a deep water floating platforms includes an ecto-skeleton formed by a plurality of members to withstand lateral and bending loads, and a buoyant vessel...
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6612886 |
In-line cable retriever
A retriever is provided for a marine seismic cable or other tool. The retriever first comprises a housing. Disposed within the housing is a canister for containing gas under pressure. An inflatable...
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6602103 |
Float device
A float device utilizing a body having an outer surface and a core of floatation material located inwardly from the outer surface. A spine passes through the core of floatation material and...
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6533627 |
Method and apparatus for dynamically controlled buoyancy of towed arrays
The present invention relates generally a method and apparatus for adjusting the buoyancy of towed seismic arrays comprising a plurality of streamers and specifically to the dynamic buoyancy...
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6524152 |
Bottom to surface link system comprising a submarine pipe assembled to at least one float
A bottom-to-surface link system includes a submarine pipe assembled to at least one float. At least one coaxial can surrounds the pipe. Junctions, which join the can to the pipe at the top and...
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6503115 |
Flexible buoy assembly
A flexible buoy assembly includes a flexible buoy having a passage formed therethrough. A flexible line passes through the passage and exits each end thereof. First and second bumpers are fixedly...
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6375391 |
Guide device for production risers for petroleum production with a “dry tree semisubmersible” at large sea depths
A system for use in petroleum production at sea includes a guide frame for one or more riser pipes, on a semisubmersible production vessel. One or more main buoyancy member are arranged separately...
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6331129 |
Device for marking swimming pool lane dividers
A device for marking swimming pool floating lane dividers includes a thin, flat rectangular sheet of brightly colored polyethylene with a top edge, a bottom edge, a left edge, and a right edge. The...
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6270387 |
Buoyant device
A buoyancy device to be clamped around least one longitudinal element. The buoyancy device comprises an assembled clamping device which is to be fastened around the element, and at least one...
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6213833 |
Float for buoyant hoses
The invention relates to a float (2) for buoyant hoses comprising at least one multi-layer foam body which surrounds the buoyant hose (1), whereby the foam body is composed of individual foam...
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6206742 |
Buoyancy device and method for using same
A method and a buoyancy device adapted to impart buoyancy to at least one longitudinal element submerged in water. The buoyancy device is hollow and is preferably made of plastic or a similarly...
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6134766 |
Method and apparatus for installing cable-like elements inside pipes
A method and apparatus for installing a cable-like element in a pipe by securing a buoyant element to the one cable-like element, the weight and buoyancy of the buoyant element and the cable-like...
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6019652 |
Buoyancy adjustment
Device for the adjustment of buoyancy of a seismic cable comprising a main part (1) adapted to firm, integrated mounting into a chosen point in the length of the cable, the main part (1) comprising...
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5921013 |
Fishing float
A fishing float comprising a buoyant body made of a pair of cylindrical sections moveable from an extended position to a folded position and a coiled loop on each of the sections for receiving a...
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5711639 |
Clamp for cylindrical object
A clamp for a cylindrical object is provided which is formed of fibers in the form of woven fabric molded in a polymeric matrix. The clamps have two free ends through which one or two rods extend....
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5707265 |
Streamlined buoyancy package for subsurface moorings
A buoyancy package for subsurface instrumented moorings with reduced drag and increased stability is provided with the use of spherical buoyant members enclosed in a pivotally connected streamlined...
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5600873 |
Floating tether cords
Buoyant tether cords that remove ignition keys from personal watercraft to safely disable the motor in the event a rider falls off. When dropped in the water the cords float so that the ignition...
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5520562 |
Wave suppressor
A swimming lane wave suppressor, for use in suppressing waves and for use in the demarcation of swimming pool lanes, comprised of two cylindrical cores having a plurality of fins radially extending...
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5479990 |
Rising centralizing spider
A mechanical device for centralizing a subsea riser in an opening in a floating drilling vessel. The centralizing device includes at least three arms that are pivotally connected at one end to the...
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5341758 |
Surfing rope
A surfing rope (20) for towing a surfer behind a boat or upon moving water is disclosed. The surfing rope is constructed from a length of braided rope (22) having a plurality of nodules (24)...
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5246394 |
Oil boom and hose for tensioning the same
An oil boom has a longitudinal hose-shaped floating body of cloth or fabric material, and a skirt, also of cloth or fabric material, extending from the floating body and equipped with sinkers. The...
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5240383 |
Wheeled floatable conduit apparatus
This invention relates to a wheeled floatable conduit apparatus attachable to a pump device to suck water into the conduit apparatus and force water through the conduit apparatus. The conduit...
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5197912 |
Buoy for attachment to the net line of a fishing net
In order to change defective buoys on the net line of a fishing net and to change the spacing between the buoys threaded onto the net line, it has hitherto been necessary to release the net line...
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4998899 |
Mooring line flotation device
A mooring line flotation device for maintaining a mooring line extending from an offshore structure above the surface of a body of water when the mooring line is not in use. The flotation device is...
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4985007 |
Swimming lane marker system
A swimming lane marker system employs an anchor clip connected at each end of a lane marker cable, the clip having a pin for insertion in an aperture on the gutter-facing side of a gutter lip or...
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4894873 |
Wave suppression means
A wave suppression device, for use suppressing waves and for use in the demarcation of swimming pool lanes, comprised of a cylindrical core having a plurality of fins radially extending from its...
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4764137 |
Floatable dredge hose
A floatable heavy duty hose assembly for conveying fluid entrained materials during dredging and related operations which includes a flexible cylindrical conduit which is reinforced at spaced...
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4656962 |
Buoyancy support for deep-ocean struts
A long strut between a sea-platform and the ocean bed needs to have its weight supported. Otherwise, much of its strength is used merely in supporting itself. The strut disclosed is made in...
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4631039 |
Pipe flotation assembly
A pipe flotation assembly, packageable in kit form, includes interfitting interconnected frame members having flotation devices secured to the bottom thereof and an adjustable clamping assembly for...
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4627891 |
Method of generating electrical and magnetic fields in salt water marine environments
A method of generating electrical and magnetic fields in salt water marine environments using an elongated dimensionally stable flexible electrode (30) having a current carrying inner portion (31)...
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4616369 |
Aquatic turbulence suppression device
A device (15, 18) for use in a body of water (10) as one of a plurality of such devices assembled in axial alignment with one another along a restraining element (16) to suppress incident wave...
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