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Class 405/209 - Separable transport means


Subclass of Class 405 - Hydraulic and earth engineering
Definition: Method or apparatus including a step or means for floating
No. of patents: 134
Last issue date: 09/13/2011


1        
NumberTitleIssue Date
8016519Installation of offshore structures
A method and system for transporting an offshore structure such as a wind turbine generator includes a supporting frame in which the offshore structure is assembled on land in an upright configuration. The frame is used for lifting the structure onto a transport ves...
09/13/2011
7887261Method for the transport of a civil engineering structure in an aquatic medium
The invention provides a method for the transport of a civil engineering structure in an aquatic medium. According to this method: at least one float is associated with the civil engineering structure in such a way as to ensure that the said civil engineering struct...
02/15/2011
7762744Method and vessel for removing offshore structures
A method and vessel for removing or installing an offshore jacket structure in a body of water, the vessel having a generally planar main buoyancy section having the outline of a delta with an extension at the apex and auxiliary buoyancy sections extending transvers...
07/27/2010
7419006Apparatus for protecting wellheads and method of installing the same
An apparatus and method for protecting wellheads of a fixed-leg drilling and production platform which provide an alternative from the shutting in of producing wells as currently required. The apparatus provides a structural barrier for the production process system...
09/02/2008
7347103Pile testing reaction anchor apparatus and method
Pile testing apparatus and method apply static compressive forces on a pile to be tested for load bearing capacity. Retractable and reusable reaction anchor assemblies are installed into the ground for pile testing and then are retrieved from the ground after comple...
03/25/2008
7316192Method for mounting a heavy equipment on a ship's hull
The invention concerns a method for mounting a heavy equipment on a floating ship's hull comprising the following steps: (A) securing the equipment to lifting units adapted to be supported on the sea floor, said lifting units being arranged on either side of the equ...
01/08/2008
7293939Inclined 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
7287935Tendon assembly for mooring offshore structure
An offshore system for petroleum production has a buoyant platform. A tendon assembly secures to the platform and extends down to a counterweight located near the lower end. A piling is embedded in the sea floor. A socket at the counterweight telescopingly slides ov...
10/30/2007
7258510Systems and methods useful in stabilizing platforms and vessels having platforms and legs
Disclosed is a system useful in stabilizing a vessel. The vessel includes, but is not limited to, a first leg, a second leg, a third leg, and a platform coupled to the first, second, and third legs. The system can include a first brace coupled to the first leg at a ...
08/21/2007
7255517Ballasting 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
7197999Spar 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 connected to the mooring module by connection lines. The upper hull structur...
04/03/2007
7194972Variable-draft vessel
A vessel that varies its draft by adopting any one of three primary hull forms or configurations is disclosed. The primary hull forms include: a catamaran configuration, a barge configuration, and a SWATH configuration. The vessel is capable of reconfiguring between...
03/27/2007
7147403Self-elevating offshore structure
A self-elevating offshore structure supports a deck for production operations at sea in the absence of an elevating hull. A non-buoyant deck is supported by braces and truss legs above wave action. The legs move in relation to the legs and the braces, elevating the ...
12/12/2006
7059416Buoyancy can for offshore oil and gas riser
A buoyancy can for supporting an offshore oil and gas riser includes an axial bore through which the riser extends coaxially, and a radio-axial slot extending through a side of the can and into the axial bore. A pair of spaced-apart support features are disposed coa...
06/13/2006
7033115Temporary 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 and equipment to be constructed in an upright position, towed to an oc...
04/25/2006
7011473Method for underwater transportation and installation or removal of objects at sea
Method for transport and installation of objects at sea, particularly relating to transport and installation of obs jects that are part of the infrastructure in oil and gas fields offshore, the object (4) is put in the sea at a suitable location near the shor...
03/14/2006
7000562Pneumatic boat arranged for the loading/unloading and transportation of floating loads
A semi-rigid pneumatic boat (1) comprising: a rigid hull (2) defined by a rigid underwater hull (3) closed on the top by a rigid floor (4) and bordered on two sides by two pneumatic floats (5); a ballast (8) arranged in the ...
02/21/2006
6997132Semi-submersible offshore vessel and methods for positioning operation modules on said vessel
A semi-submersible offshore vessel has a substantially ring-shaped lower pontoon, starboard and port forward columns extending upwards from the lower pontoon, and starboard and port aft columns extending upwards from the lower pontoon. An upper deck structure connec...
02/14/2006
6945737Single 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 buoyant column. The column is mounted upright on the pontoon, and is verti...
09/20/2005
6935810Semi-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 vertically upstanding from the base, and an equipment deck that is support...
08/30/2005
6923598Method and apparatus for the lifting of offshore installation jackets
An offshore lifting construction is able to control buoyancy for the lifting of jackets for offshore platforms. The lifting construction is designed such that it can be ballasted for raising and lowering and such that it can take several positions. The lifting const...
08/02/2005
6893190Method and structure for connecting a floating structure with rope anchor lines to the seabed
A method of connecting a first floating structure to the seabed, includes the steps of: providing a second floating structure, anchored to first and second anchoring points respectively on the sea bed via at least two anchor lines, attaching the second floating stru...
05/17/2005
6857821Device for lifting a seagoing construction such as a drilling rig, provided with lifting members running mutually parallel
A device for lifting a seagoing construction such as a drilling rig, which device comprises one or more floater bodies, one or more beam-like lifting members supported movably on a floater body and running parallel or practically parallel to each other, wherein the ...
02/22/2005
6840713Device 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), each able to incline towards the middle of the docking ...
01/11/2005
6808337Vessel with vertically elevational support legs
A vessel, preferably a chip, for transport and mounting of structures has a hull and at least four vertically elevated support legs and displacement apparatus for elevating the support legs so as to stabilize the ship for lifting heavy loads from the ship for mounti...
10/26/2004
6786679Floating 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 submerged, increasing the ability and buoyancy of the platform. At the sit...
09/07/2004
6736571Removal of decks from offshore structures
A method of removing a deck from an offshore structure is provided. An apparatus for carrying out the method is also described. ...
05/18/2004
6682265Method of establishing and/or operating a bore well in a seabed and a drilling vessel for use in connection therewith
A bore well in a seabed (27) may be established and/or operated by a drilling barge (10). The barge may be pulled onto a larger vessel (11) and transported to a drilling site. Alternatively, the larger vessel is divided longitudinally into a pair of sub-v...
01/27/2004
6676334Work 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 which the deck is disposed above the water surface. The system...
01/13/2004
6648553Load transfer unit and method for removing off-shore platform from substructure
A platform topsides can be transferred from a substructure to a transporter by ballasting the transporter, locating the transporter underneath the topsides and deballasting the transporter, causing load transfer units of the transporter to lift the topsid...
11/18/2003
6644893Rigid jacket of an offshore platform having a quadrapod structure
A launchable rigid jacket of an offshore platform has a structure including an exterior framing and a plurality of cross-sectional frame sections. The exterior framing has four outside legs, which are spaced apart to define four corners of a trapezoidal c...
11/11/2003
6612781Method 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 supported under the barge, and lowering the offshore structure to ...
09/02/2003
6550411Method for removing a jacket of a drilling or production rig and vessel provided with a device therefor
A method for removing a jacket of a drilling or production rig using a vessel provided with a deck includes manoeuvring the vessel close to the jacket, hoisting the jacket, and tilting the jacket relative to a tilting point located close to an edge of the...
04/22/2003
6540441Transporter 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 topsides simultaneously....
04/01/2003
6517290Loading arrangement for floating production storage and offloading vessel
A loading arrangement includes a riser that extends from a subsea structure to a coupling element for coupling the riser to a vessel. The coupling element includes a buoy body which is connected to a retention member via a flexible connection part. The re...
02/11/2003
6511261Method of removing or positioning a substructure of an offshore platform
The method for removing or positioning a structure (103) which is erected on either an underwater bed or anchored to the underwater bed entails the use of a hoisting mechanism. When the structure (103) is being removed, it is detached from the underwater ...
01/28/2003
6364574Method and apparatus for the offshore installation of multi-ton packages such as deck packages and jackets
A method and apparatus for the installation or removal of large multi-ton prefabricated deck packages includes the use of usually two barges defining a base that can support a large multi-ton load. A variable dimensional truss assembly is supported by the...
04/02/2002
6354765Method of transporting and disposing of an offshore platform jacket
A method for disposing of an offshore platform jacket comprises suspending the jacket in one piece under a tow vessel, towing it to the disposal site and safely and quickly releasing the jacket at the disposal site. Once the jacket foundation piles have b...
03/12/2002
6347909Method 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 pontoons. The deck and deep girders are tied down together. A ...
02/19/2002
6318931Method and apparatus for the offshore installation of multi-ton packages such as deck packages and jackets
A method and apparatus for the installation or removal of large multi-ton prefabricated deck packages (16) includes the use of usually two barges (11, 12) defining a base (13, 14) that can support a large multi-ton load. A variable dimensional truss assem...
11/20/2001
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