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| Number | Title | Issue Date |
| 8083438 | Mechanically produced thermocline based ocean temperature regulatory system A Mechanically Produced Thermocline Based Ocean Temperature Regulatory System to sequester carbon dioxide, create a cold water barrier to hurricanes and tropical storms, and ensure the function of the thermohaline circulation. ... | 12/27/2011 |
| 7988384 | Arctic platform The instant disclosure relates to a system and method of constructing drilling and production platforms that are particularly useful in remote, inaccessible and/or environmentally sensitive operating environments. According to one aspect of the invention, an arctic ... | 08/02/2011 |
| 7922425 | Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments An apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments. The structure may comprise an elongate flexible bladder blanket divider having first and second ends. The structure may have an open bore vertical ... | 04/12/2011 |
| 7891909 | Semi-submersible offshore structure A semi-submersible offshore structure for offshore operations. In an embodiment, the structure comprises a buoyant hull. The hull comprises a first elongate horizontal pontoon having a longitudinal axis, a first end, and a second end. The pontoon includes a first no... | 02/22/2011 |
| 7674073 | Modular concrete substructures A concrete section of an offshore platform substructure comprises a concrete body with a central opening and at least one guidepost hole extending through a height of the concrete body, wherein a width of the concrete body is greater than the height. An offshore pla... | 03/09/2010 |
| 7604435 | Umbilical without lay up angle Umbilical device, where the device has a longitudinal axis (x), and includes at least one elongated electrical cable or tube element; and an elongated load bearing component along the longitudinal axis (x) and having an external surface including at least one groove... | 10/20/2009 |
| 7594780 | Damping plates A damping (or heave) plate comprises a generally flat plate attached, beneath the surface of a sea, and in horizontal orientation, to a structural member subject to being vertically moved in response to passing surface waves. The plate tends to resist vertical movem... | 09/29/2009 |
| 7559723 | Hull-to-caisson interface connection assembly for spar platform A hull-to-caisson interface connection assembly accommodates high tension loads between the hull and a caisson of a Spar-type platform, while facilitating angular flexing motion and constraining lateral and axial movement. The interface connection assembly includes ... | 07/14/2009 |
| 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 method connects a pair of columns with at least a first top truss and ... | 06/30/2009 |
| 7534072 | Spud can surface washing apparatus The present invention discloses a method and an apparatus enabling the cleaning of a jack-up vessel, particularly the lower end portion of one of its legs. The method of the present invention discloses cleaning of a jack-up vessel having a hull, a leg that extends t... | 05/19/2009 |
| 7503728 | Stabilized floating support The support (1) includes a working deck (2) and floatation members (3) supporting this deck (2). According to the invention, the spacing between the vertical axes (Z) passing through the centre of the floatation members (3) is such... | 03/17/2009 |
| 7497645 | Apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments An apparatus, system and method for recovery of artifacts and eradication of invasive species in aquatic environments. The structure may comprise an elongate flexible bladder blanket divider having first and second ends. The structure may have an open bore vertical ... | 03/03/2009 |
| 7410327 | Arctic platform The instant disclosure relates to a system and method of constructing drilling and production platforms that are particularly useful in remote, inaccessible and/or environmentally sensitive operating environments. According to one aspect of the invention, an arctic ... | 08/12/2008 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 7341283 | High temperature flexible pipe joint For continuous high temperature operation over a service life in excess of twenty years, a flexible pipe joint includes various features that tend to reduce the temperature of the load-bearing flex element or reduce strain in the warmer elastomeric layers of the fle... | 03/11/2008 |
| 7337849 | Co-linear tensioner and methods of installing and removing same The invention is directed to a tensioner for providing linear and angular movement of a drilling or production facility relative to a conduit or riser secured to the tensioner and to the wellhead in offshore operations. The tensioner compensates for vessel motion in... | 03/04/2008 |
| 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 buoyant cladding disposed between the vessel and the frame. ... | 02/12/2008 |
| 7326020 | Multi-purpose vessel and method for recovering, storing and/or offloading material in a dredging operation A method of building a levee or an island is disclosed. The method includes dredging material from a surface of a body of water with a dredge assembly mounted to a hull and supporting a hopper with the hull. The hopper is adapted to receive the material. The hopper ... | 02/05/2008 |
| 7322307 | Buoyant bumper system A buoyant bumper system for attachment to a docking facility and cushioning a boat. The buoyant bumper system includes an elongated travel shaft for engaging the docking facility, a travel sleeve slidably carried by the travel shaft, a system float carried by the tr... | 01/29/2008 |
| 7317260 | Wind flow estimation and tracking using tower dynamics A turbine control system for a variable speed electrical generator in a wind turbine mounted atop a support tower. The wind turbine converts wind energy into a driving torque applied to the generator. The control system includes a turbine support tower position sens... | 01/08/2008 |
| 7314087 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 01/01/2008 |
| 7308863 | Offshore LNG regasification system and method A system and method for the offshore transfer of liquefied natural gas from an LNG tanker vessel to a moored or dynamically positioned regasification plant is disclosed. Once the state of the natural gas has been changed from liquid to gas or regasified, the natural... | 12/18/2007 |
| 7293940 | Guide tube for a flexible pipe for transporting hydrocarbons A guide tube for a flexible pipe for transporting hydrocarbons comprising an internal tubular element of a substantially rectilinear section extending along an axis (A) and extended by a free section having a curvature along its length and a wall which is internal w... | 11/13/2007 |
| 7293618 | Power slip for drillpipe This invention relates to a mechanical apparatus for gripping and manipulating tubular members, such as drill pipe. The apparatus is essentially an automated slip puller, which generally comprises a slip base, a pulling mechanism pivotally attached to the slip base,... | 11/13/2007 |
| 7293600 | Apparatus for the regasification of LNG onboard a carrier An LNG carrier for transporting LNG from one location to another that includes a vaporizer on board said LNG carrier for vaporizing the LNG to a gaseous state, one or more heat exchangers at least partially submerged in seawater, an intermediate fluid circulating be... | 11/13/2007 |
| 7293939 | Inclined leg floating production platform with a damper plate A floating moored oilfield production structure for deepwater application. An apparatus and a method for the construction and installation of floating oilfield production structures, wherein the deck structure is supported by multiple pairs of inclined buoyant legs ... | 11/13/2007 |
| 7293670 | Upper block A crane having an upper block, a lower block, a drum, and two ropes. The upper block includes an equalizer having a yoke to which the ropes are connected. The connections between the ropes and the yoke include load cells that measure the forces carried by each of th... | 11/13/2007 |
| 7291936 | Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine... | 11/06/2007 |
| 7287484 | Berthing method and system A method and a system are provided for the safe berthing of marine vessels in the high seas and other unprotected open waters. The invention allows a large vessel to be berthed alongside in close enough proximity to a marine structure so that conventional loading ar... | 10/30/2007 |
| 7270071 | Deep draft semisubmersible movable offshore structure The present invention is a deep draft partially submersible and buoyant floating vessel comprised of at least three independent vertical columns. The columns have an upper column with an upper column diameter and a lower column integrally connected to the upper colu... | 09/18/2007 |
| 7263898 | Fixture for holding a gear A gear holding fixture is provided so that the appropriate position upon a gear tooth may be placed in line with an indenting device on testing equipment. The fixture includes a base that supports a movable rack, the rack including a plurality of teeth. The gear bei... | 09/04/2007 |
| 7264420 | Floating overturn prevention device A floating overturn prevention device includes a flat-top base and a pillar coupled to a bottom surface of the flat-top base and extending therefrom. The flat-top base is a floating body for floating desired equipment on the water. The pillar further includes a weig... | 09/04/2007 |
| 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 operator tows the hull to a ballast down site while the buoys are stored on ... | 08/14/2007 |
| 7252159 | Underwater rock boring apparatus having differential global positioning system receiver and boring method thereof The present invention relates to an underwater rock boring apparatus having differential global positioning system receiver and boring method thereof, new boring technology—a satellite navigation device orients the accurate position of a target—is brought to the... | 08/07/2007 |
| 7241077 | Underwater installation apparatus A running tool for deployment from a base such as a vessel for installing a component at an underwater facility such as a hydrocarbon extraction well includes a carriage which is lowered from the base. The carriage releasably retains the component. A compensator is ... | 07/10/2007 |
| 7238066 | Pod propulsion system with rim-mounted bearings A pod propulsion system comprises a housing defining a fluid duct and an annular drum rotatably mounted to the housing within the fluid duct. The annular drum has a drum interior and a cylindrical outer surface. The system further comprises a rotor mounted to the dr... | 07/03/2007 |
| 7234409 | Vessel for transporting wind turbines, methods of moving a wind turbine, and a wind turbine for an off-shore wind farm A wind turbine (1) has a base (5) divided into at least three ballast tanks (12). A vessel (7) has means for displacing the wind turbine between a loading space (25) and an unloading position (26). At its unloading position ... | 06/26/2007 |
| 7234896 | Vertically folding service arm for a movable platform offshore drilling or servicing rig An apparatus and method for maintaining electrical and hydraulic connections between a junction box (or junction boxes) located on or near an offshore platform's floor and a movable drilling rig structure are disclosed. The disclosed invention is a unique vertically... | 06/26/2007 |
| 7234282 | Modular tower A modular tower assembly for use with blown film extrusion processes, where modular tower sections each having identical columns/foot prints can be stacked on top of one another. Each module can have rectangular type platforms with walk decks about a central rectang... | 06/26/2007 |
| 7231981 | Inline compensator for a floating drill rig An apparatus and method for protecting against the problems associated with heave of a floating drilling rig are disclosed. The disclosed invention is a unique inline compensator in which a plurality of cylinders housed within a tubular housing and a plurality of lo... | 06/19/2007 |
