Patent application number | Description | Published |
20080315578 | Junction Part for Coaxial Pipe Elements, and a Method of Joining Together Coaxial Pipe Elements - A cylindrical junction part for joining together two elements of an assembly of at least two coaxial pipes, comprising an outer pipe containing an inner pipe defining an annular space preferably containing lagging material. The forged junction part forms two annular cavities defined by branches in a fork configuration at each end of said part serving to minimize stresses and fatigue in the join zone between two junction parts at the ends of two lengths of coaxial pipe to be joined together and between each length of pipe and each junction part at the ends thereof. | 12-25-2008 |
20090097923 | Device for transferring fluid between two floating supports - A device for transferring fluid between two floating supports anchored to the sea bottom, having a rigid central undersea pipe installed below the surface with its ends each being connected to respective ones of two supports via a flexible hose. The main portion of the rigid central pipe includes or co-operates with buoyancy elements such that the central pipe adopts, in a quasi-static rest state, a configuration of an arch, preferably following a curve such that the angles between the half-lines of the axes of the rigid pipe and the horizontal half-lines at each of its ends extending towards the other end present absolute values of less than 20° and the flexible hoses present lengths and curvatures such that variations in the curvatures of the flexible hoses are suitable for compensating the movements of the floating supports. | 04-16-2009 |
20090129853 | Part for Connecting Pipes Including an Internal Liner, a Covering Method, and a Method of Assembly - A method of covering the inside surface of a steel connection part having an empty inside volume ( | 05-21-2009 |
20100230953 | Coaxial Pipe Element and a Method of Fabrication - The present invention relates to a method of fabricating a coaxial pipe element ( | 09-16-2010 |
20100282353 | Coaxial Pipe Element In Which The Inner Pipe Is Under Strees, And A Method Of Fabrication - The present invention relates to a coaxial pipe element comprising an inner pipe and an outer pipe and having at each of its ends a closure of the annular space between these two pipes, in particular by means of a forging, and in which said inner pipe is subjected to traction stress. | 11-11-2010 |
20100310319 | Floating Support Comprising a Device for the Retention and Securing of a Subsea Pipe - A floating support including a retaining and holding device for retaining and holding a pipe suspended from a floating support of the type comprising a ship for laying a bottom-to-surface connection pipe. The retaining and holding device comprises at least a first collar releasably locked around an end forging of a pipe element together with a support part at the floating support, said support part including load transfer and a rotary joint enabling the inclination of the pipe to be guided and having an effect of automatically centering the pipe. | 12-09-2010 |
20110042094 | Bottom-to-surface connection installation of a rigid pipe with a flexible pipe having positive buoyancy - A bottom-to-surface connection installation of at least two undersea pipes resting on the sea bottom. The installation having a first hybrid tower having a vertical riser anchored to a first base and connected to a the undersea pipe resting on the sea bottom and having its top end connected to a first sub-surface float. A first connection pipe, preferably a flexible pipe, providing the connection between a floating support and the top end of the riser and at least one second rigid pipe rising from the sea bottom on which it rests or from a second undersea pipe resting on the sea bottom to which its bottom end is connected, the bottom end not being anchored at the first base, up to the sub-surface where its top end is connected to a second float situated substantially at the same depth as the first float and fastened to the first float by a second flexible second connection pipe, providing connection to the floating support. | 02-24-2011 |
20110083853 | Inertia transition pipe element, in particular for restraining a rigid undersea pipe - An inertia transition terminal pipe element having a main rigid pipe element including at one of its ends an inertia transition piece that is constituted by at least one and preferably a plurality “n” of coaxial reinforcing pipe elements placed coaxially around the main pipe element, each reinforcing pipe element presenting an inside diameter greater than the outside diameter of the main pipe element. The various main and reinforcing pipe elements each being positioned with one end situated at the same level along the axis of symmetry of the pipe elements, and each reinforcing pipe element presenting a length that is less than the height of the main pipe element. The annular gap between the various pipe elements being filled with a solid filler material. A rigid undersea pipe is also disclosed including at at least one of its ends, an inertia transition pipe element. | 04-14-2011 |
20130004240 | Method for laying a submarine line on the seabed - A method of laying an undersea line at the bottom of the sea from the surface to connect the bottom end thereof to a coupling element at the sea bottom by positioning the undersea line suspended from the surface in a substantially vertical position and including a curving device extending between two points and having at least one cable and tensioning means for tensioning the cable suitable for reducing the length of the cable extending between the two fastening or guide points from a maximum length L | 01-03-2013 |
20130064606 | Seabed-to-Surface Linking Equipment Including a Flexible Pipe Guiding Structure - A bottom-to-surface connection installation between a plurality of undersea pipes resting on the sea bottom and a floating support on the surface and anchored to the sea bottom, the floating support including a turret; and a plurality of flexible hoses extending from the turret to respective ones of a plurality of rigid pipes, the rigid pipes providing connections between the flexible hoses and respective ones of the plurality of undersea pipes resting on the sea bottom, wherein the installation includes a guide structure maintained in the subsurface between the turret and the top of the rigid pipes, the guide structure being suitable for guiding the flexible hoses, the guide structure having a plurality of first guide elements with respective ones of the plurality of flexible hoses passing therethrough in such a manner that the flexible hose has at least a bottom flexible hose portion in a dipping catenary configuration, and a second flexible hose portion extending entirely above the point of contact between the flexible hose and the first guide element, this portion occupying a curve of catenary shape between the guide element through which it passes and the turret to which its top end is connected. | 03-14-2013 |
20130114945 | Plastic Tubular Connecting Sleeve for a Pipe with Internal Liner - pipe having at least two steel pipe elements with internal lining that are assembled together end to end, with the ends of the two pipe elements being welded together. A tubular junction sleeve is interposed inside the pipe at the abutting ends of the two pipe elements so that the end terminal portions of the sleeve are at least in part in leaktight contact with respective ones of the terminal portions at the ends of the internal linings of the two pipe elements. The leaktight contact zone is a zone of fusion welding together the materials in mutual contact constituting at least a portion of each terminal portion of the sleeve and of each respective terminal portion of the lining. At each of the terminal portions of the sleeve in the leaktight contact zone, the tubular junction sleeve presents a Joule effect heater wire arranged in a double spiral on the outer surface of each terminal portion at the ends of the sleeve. | 05-09-2013 |
20130216315 | Modular device for the storage and handling of a plurality of flexible pipes - A modular storage and holder device for a plurality of flexible lines having a circular turntable arranged on a plane such as the deck of a ship and having reversibly attached thereto a central cylinder around which at least a first line is wound in carousel mode with a plurality of coaxial layers of helically superposed touching turns, internal posts serving as a winding support for at least one second flexible line itself retained by a series of second intermediate posts around which it is possible to wind at least one third flexible line, itself retained by peripheral retaining posts at the periphery of the turntable, the second and third lines being wound in rotary basket type mode having superposed pluralities of layers of juxtaposed concentric touching turns resting on a common plane. | 08-22-2013 |
20130251455 | Ship Having a Bridge Comprising a Cavity with a Built-In Rotary Plate - A ship for laying flexible undersea lines at sea, the ship having a deck including a cavity receiving said turntable and a motor-driven device for rotating the turntable and fastened to the carrier structure of the hull of the ship, also known as the “hull girder”. The top face of the circular turntable does not project significantly above the plane of the deck that is juxtaposed therewith. The turntable presents attachment elements for attaching a modular storage and handling device for storing and handling flexible lines by winding and unwinding the flexible lines. | 09-26-2013 |
20130315673 | Curvature Limiter For A Flexible Undersea Line, And Seabed-To-Surface Linking Equipment Including Same - The present invention relates to a curvature limiter device constituted by fastening tubular sleeves ( | 11-28-2013 |
20140014870 | Rigid Material For Heat-Insulation and/or Buoyancy For An Underwater Pipe - A rigid material for heat-insulation and/or buoyancy, consisting of a mixture of: (a) a matrix of a uniform cross-linked elastomeric polymer mixture and a liquid insulating plasticizer compound and (b) hollow balls dispersed in the matrix. The insulating plasticizer compound being selected from among compounds from inorganic or vegetable oil, and being a material, the phase of which does not change at a temperature of −10° to +150° C., the weight proportion of the insulating plasticizer compound in the matrix being at least 50%. The hollow balls, dispersed in the matrix are at a volumetric proportion of at least 35% of the total volume of the mixture of the balls with the matrix. The rigid insulating material can be used for the insulation and/or buoyancy of an underwater pipe or underwater-pipe element. | 01-16-2014 |
20140338919 | Multiple Flexible Seafloor-Surface Linking Apparatus Comprising At Least Two Levels - A bottom-to-surface connection installation between a common floating support and the sea bottom, having a plurality of flexible lines such as flexible pipes extending between said floating support and the sea bottom. The flexible lines are supported by respective ones of a plurality of troughs each trough lying between two pipe portions defining a first flexible line portion in a hanging double catenary configuration between the floating support and the trough, and a second flexible line portion in a single catenary configuration between the trough and the point of contact of the flexible pipe with the sea bottom. The installation has at least one support structure having a base-forming bottom portion resting on and/or anchored to, or embedded in the sea bottom and a top portion supporting at least two troughs, respectively a bottom trough and a top trough, the troughs being arranged at different heights in such a manner that the low point of the first flexible line portion passing via the bottom trough is situated below the low point of the first flexible line portion passing via the top trough. | 11-20-2014 |