|
Match
|
Document |
Document Title |
|
|
7565877 |
Spar platform having closed centerwell
A spar platform for use in the offshore drilling or production of fossil fuels includes a hull having a centerwell. An airtight and watertight barrier traverses the centerwell, forming a variable...
|
|
|
7553106 |
Method for making a floating offshore drilling/producing structure
A method for making a deep draft semi-submersible drilling/production vessel having a center of gravity below its center of buoyancy by constructing a plurality of buoyant individual columns. The...
|
|
|
7470086 |
Submersible tethered platform for undersea electrical power generation
A submersible and remotely-operable platform system for carrying out repeated operations in a submarine position, and producing electrical energy as either a primary or secondary purpose by means...
|
|
|
7255517 |
Ballasting offshore platform with buoy assistance
A method for deploying a floating platform includes storing buoys on a hull of the platform. Tension devices are mounted to the hull, each being connected by a line to one of the buoys. The...
|
|
|
7197999 |
Spar disconnect system
A spar-type offshore platform includes a buoyant upper hull structure supporting a deck and having lower end in which is received a buoyant lower mooring module. The upper hull structure is...
|
|
|
7114884 |
Method and apparatus for increasing floating platform buoyancy
A floating platform for recovery of oil and gas from offshore oil and gas fields includes a hull having a portion located substantially below the water surface, and including a portion thereof...
|
|
|
7086810 |
Floating structure
The present invention relates to a floating structure to receive maritime production or drilling installations that is provided with means to reduce movement caused by the action of environmental...
|
|
|
7033115 |
Temporary floatation stabilization device and method
A temporary stability module and method for marine structures during construction, transportation and installation is taught. The device and method permit the structure, including platforms, deck...
|
|
|
7011472 |
Semi-submersible offshore vessel
A semi-submersible offshore vessel including a rectangular ring-pontoon having a first transverse pontoon section at a first end of the vessel and a parallel second transverse pontoon section at a...
|
|
|
7001108 |
Mat supported offshore structure
A bottom-supported jack-up rig has a hollow ring mat with a central opening for accommodating a lower portion of a hull nested therein when the rig is in transit. The ring mat has a predetermined...
|
|
|
6981823 |
Method and arrangement for installation and removal of objects at sea
A method and a suitable arrangement for installation of a deck structure at an offshore location, where the deck structure is put on a vessel at a location inshore, then transported on the vessel...
|
|
|
6968797 |
Method for installing a self-floating deck structure onto a buoyant substructure
This invention provides a method for installing a self-floating deck structure with at least one recessed cavity on the bottom of the self-floating deck structure onto a buoyant substructure. The...
|
|
|
6945737 |
Single column extendable draft offshore platform
An extendable draft offshore oil and gas drilling and production platform (“EDP”) includes a buoyant deck having a central opening, an adjustably buoyant pontoon, and a single, adjustably...
|
|
|
6945736 |
Offshore platform for drilling after or production of hydrocarbons
Platform for drilling after or production of hydrocarbons at sea, consisting of a semi-submersible platform body which supports drilling and/or production equipment on its upper surface. The...
|
|
|
6942427 |
Column-stabilized floating structure with telescopic keel tank for offshore applications and method of installation
A floating offshore fluid storage caisson platform has a large diameter vertically oriented buoyant column or caisson, or multiple caissons, defining a storage chamber, and a telescopic keel tank...
|
|
|
6935810 |
Semi-submersible multicolumn floating offshore platform
A semi-submersible, multicolumn, deep draft, floating offshore oil and gas drilling and production platform comprises a floating hull having an adjustably buoyant base, a plurality of columns...
|
|
|
6932542 |
Tension leg platform having a lateral mooring system and methods for using and installing same
A lateral mooring system for tendon-based platforms is disclosed, which provides reduced installation and/or operational cost associated with the installation and operation of an extended-base...
|
|
|
6899492 |
Jacket frame floating structures with buoyancy capsules
Jacket frame floating structures comprise one or more elongate vertical support columns formed of an open cross-braced jacket formwork of tubular members interconnected together and at least one...
|
|
|
6869251 |
Marine buoy for offshore support
A marine buoy for the offshore support of subsea production and drilling activities that has a closed-bottomed base section with a solid ballast and variable ballast chambers, a chamber in the base...
|
|
|
6854933 |
Vertically restrained centerwell SPAR
In one example embodiment, a floating deep draft caisson vessel for drilling and production is provided. The vessel comprises an outer hull, wherein the outer hull has a hollow centerwell. The...
|
|
|
6840713 |
Device for positioning and lifting a marine structure, particularly a platform deck
A device for positioning and lifting a marine structure, particularly a platform deck, with the use of a U-shaped lifting vessel ( 1 ). The device has at least two adjustable lifting frames ( 12,12...
|
|
|
6830413 |
Ballast system for tension leg platform
An apparatus and method for ballasting and de-ballasting a vessel having a hull with a plurality of watertight ballast compartments wherein each ballast compartment has an individual pump caisson...
|
|
|
6786679 |
Floating stability device for offshore platform
An offshore well platform is towed in an upright condition to a well site by the use of a temporary flotation device. The flotation device mounts to a portion of the platform and is partially...
|
|
|
6761508 |
Satellite separator platform(SSP)
A floating platform with motion characteristics for offshore deepwater developments with vertical axial symmetry and decoupling of hydrodynamic design features. A motion-damping skirt ( 120 ) is...
|
|
|
6719495 |
Articulated multiple buoy marine platform apparatus and method of installation
A marine platform (and method of installation) provides a plurality of buoys, a platform having a peripheral portion that includes a plurality of attachment positions, one attachment position for...
|
|
|
6676334 |
Work module support vessel
An offshore construction system comprises a work module support vessel having a ballast-down mode, in which a deck of the vessel is submerged below the water surface, and a ballast-up mode, in...
|
|
|
6666624 |
Floating, modular deepwater platform and method of deployment
A floating platform for use in a body of water comprises an uppermost buoyant and ballastable hull partially submerged in the water without contacting the floor of the body of water and usually...
|
|
|
6612781 |
Method of transporting and installing an offshore structure
A method of transporting and installing an offshore structure including transporting the offshore structure to the installation site by barge with at least a portion of the structure being...
|
|
|
6601649 |
Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible
A semisubmersible multipurpose unit (MPU) having a deck, a multipurpose tower secured to the deck, supports, pontoons connected to the supports with each pontoon adapted for ballast transfer, at...
|
|
|
6565286 |
Method for fabricating and assembling a floating offshore structure
A method for fabricating sections of a floating offshore spar type structure and mating the sections offshore. A buoyant hard tank is fabricated vertically. The hard tank is then transported in a...
|
|
|
6564741 |
Telescoping spar platform and method of using same
A telescoping spar structure designed to be scalable for use with very large floating platforms to relatively small floating platforms includes a platform/hull for supporting a payload; a...
|
|
|
6547490 |
Coated metal peroxides
Coated metal peroxides, their preparation and use, in which metal peroxides are coated with silicone compounds from selected from the group siliconates, hydrogen-polysiloxanes, siloxanes, silicone...
|
|
|
6547491 |
Hydrostatic equalization for an offshore structure
An apparatus and method for pressurizing tubular members of an offshore structure immersed in seawater so that the internal pressure resists the hydrostatic pressure of the seawater. To achieve...
|
|
|
6540441 |
Transporter for installation or removal of an offshore platform and a method for removal of an offshore platform
A transporter for removing an offshore platform has an oblong structure with a U-shaped cross section, rotatable by ballasting. The transporter is adapted to remove and carry both a jacket and a...
|
|
|
6488447 |
Composite buoyancy module
A buoyancy system for a deep water floating platform includes at least one composite buoyancy module coupled to the a riser having a length greater than 1000 feet and an associated weight. The...
|
|
|
6485230 |
Submersible modular dike and method for segregating body of water
A modular dike is used to divide a body of water into two distinct parts. The modular dike uses a plurality of floatable modules. Each module is floated into the body of water and sunk at...
|
|
|
6471444 |
Spar construction method
A method of constructing SPAR buoys comprising an elongate floating body ( 1 ) and a deck structure ( 2 ). The elongate body ( 1 ) is transported to the mooring site in its horizontal position....
|
|
|
6435775 |
Buoyancy system with buoyancy module seal
A buoyancy system for a deep water floating platform includes at least one buoyancy module coupled to the a riser. The module may be coupled to a ring structure of an end cap coupled to the riser,...
|
|
|
6406223 |
Installation for producing oil from an off-shore deposit and process for installing a riser
An installation for producing oil from an off-shore deposit has a semi-submersible platform, at least one riser connecting the platform to the sea bed, and devices for tensioning the riser. The...
|
|
|
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...
|
|
|
6349663 |
Temporary storage barge
An oil storage vessel ( 10 ) comprises a hull ( 12 ) of generally tubular form having a double wall defining one or more ballast chambers ( 14 ). The orientation of the hull ( 12 ) relative to...
|
|
|
6347909 |
Method to transport and install a deck
A method to transport a deck at sea and install the deck on an offshore substructure. The deck is completely fabricated on a set of deep girders. The deck and deep girders are skidded onto two...
|
|
|
6340272 |
Method for constructing an offshore platform
This invention provides a method for constructing an offshore platform by mating a self-floating deck structure with a self-floating substructure. The self-floating deck structure may be a floating...
|
|
|
6305881 |
Barge stabilization method
An oil drilling barge stabilization system and method provide that an array of substantially vertically-oriented piles is formed in the sea bed to a depth beneath the sea bed that finds solid...
|
|
|
6276876 |
Offshore exploration or production operation
Apparatus for providing an offshore drilling operation in a sea, the apparatus comprising a drilling derrick support structure (2) having a base (4) to rest on the sea-floor (5) and a deck (7) to...
|
|
|
6276875 |
Method and transporter for installation or removal of a jacket for an offshore platform
A transporter for use in a method for removing a jacket for an offshore platform includes an oblong structure rotatable by ballasting, with a sliding saddle which is movable in the longitudinal...
|
|
|
6234714 |
Pier and wharf structures having means for directly transferring cargo between two vessels or between a vessel and railcars
A marine terminal has a cargo crane for directly transferring cargo between two marine vessels or between a marine vessel and a land-side vehicle. The marine terminal may comprise a wharf having a...
|
|
|
6196767 |
Jack-up platform having a submerged tank and methods for installing and raising the tank
A jack-up platform of the type having a buoyant upper barge (10) mounted so that it can be moved along the length of bearing legs (12), mechanical mechanism (18) for moving the legs (12) relative...
|
|
|
6135673 |
Method/apparatus for assembling a floating offshore structure
A method and apparatus for rapidly deballasting and lifting a substructure in a marine environment to a level where it will engage with a deck so that both act together as one body. Generally, the...
|
|
|
6132143 |
Method for lifting a sea platform from the substructure
A method for lifting a sea platform with its substructure attached from a seabed and moving that platform to a different location. Use is made of flotation bodies which are filled with water and...
|