| Patent Number |
Title Of Patent |
Date Issued |
| 7404695 |
Seafloor-surface connecting installation of a submarine pipeline installed at great depth |
July 29, 2008 |
| The invention concerns a seafloor-surface connecting installation for a submarine pipeline (10) set on the seafloor, in particular at great depth, of the hybrid-tower type comprising a static base (13-18) set on the seabed. In the inventive installation: 1) said vertical riser includ |
| 7402001 |
Seafloor-surface coupling device |
July 22, 2008 |
| The present invention relates to a bottom-to-surface connection device comprising at least one undersea pipe or riser (1, 1a-1b) capable of including a single float (2, 2.sub.1-2.sub.7), said float being connected at its bottom end to a junction device (8) creating a leaktight flexible |
| 7367398 |
Device for heating and thermally insulating at least one undersea pipeline |
May 6, 2008 |
| Apparatus for heating and lagging at least one main undersea pipe for conveying a flow of hot effluent. The apparatus includes a covering of thermally insulating material surrounding the main pipe(s), and covered by a leaktight outer protective casing and an internal chamber coaxial |
| 7320770 |
Method for making a quasi-incompressible phase-change material, shear-thinned and with low heat |
January 22, 2008 |
| The process according to the invention includes the combination, with a liquid phase change material (PCM), of a texturing agent chosen so as to greatly reduce the thermal convection and whose viscosity is decreased reversibly under shearing. The material formed has a gelled consistency |
| 7189029 |
Multi-catenary type rising column |
March 13, 2007 |
| An undersea pipe of the riser type providing a connection between a floating support and the sea bottom. The riser has a rigid pipe of the catenary type extending from the floating support to a point of contact with the sea bottom. The catenary riser comprises a lower pipe portion te |
| 7182852 |
Cryogenic tank testing method including cathodic protection |
February 27, 2007 |
| The present invention provides a method of testing a cryogenic metal tank before it is put into service, in which said method said tank (1) is filled with water and appropriate measurements are performed where necessary, the method being characterized in that the following steps are |
| 7069957 |
Thermal insulation device for at least one underwater pipe compressing sealed partitions |
July 4, 2006 |
| The present invention concerns a device for heat-insulating at least one sub-marine pipe. The sub-marine pipe includes a heat insulation covering including a material subject to migration, the covering surrounding the pipe and being covered by a sealed protective envelope having a tubula |
| 7048470 |
Guide device in an offshore drilling installation |
May 23, 2006 |
| A guide device suitable for use in an offshore drilling installation having at least one drilling riser extending from a floating support to the guide device on the seabed. The guide device includes a guide pipe in a buried position, wherein the guide pipe has a front end resting hor |
| 7025535 |
Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser |
April 11, 2006 |
| A bottom-to-surface connection installation for an undersea pipe. The installation comprises a vertical riser having its bottom end connected to an undersea pipe on the sea bed, and having a float at its top end, and a pipe connecting a floating support at the top end of the vertical |
| 7011244 |
Centering insert and a method of assembling and welding together two pipe elements |
March 14, 2006 |
| A centering insert device for centering two pipe elements that are to be welded together end to end, the device comprising a central body supporting a plurality of clamps. The clamps located at the center section planes have a circular conforming effect in at least one pair of centra |
| 6933341 |
Thermal insulation gel with controlled crosslinking for petroleum hydrocarbon transmission lines |
August 23, 2005 |
| The present invention relates to and uses, in order to prevent crude oil from "congealing" in a transportation line, a controlled-crosslinking thermal insulation gel, i.e. relatively fluid at the start and developing in-situ gelation in lines only under certain conditions, temperature |
| 6854930 |
Underwater pipeline connection joined to a riser |
February 15, 2005 |
| The present invention relates to an installation providing a bottom-to-surface connection for an undersea pipe resting on the sea bottom, in particular at great depth, the installation being of the hybrid tower type having a static base placed on the sea bottom. In the installation o |
| 6712559 |
Seafloor-surface linking device comprising a stabilizing element |
March 30, 2004 |
| A bottom-to-surface link with at least one underwater pipe having a portion with a substantially constant diameter and one or more floats in a string, the floats constituting cans surrounding the pipe and being located in a float zone around the top underwater portion of the pipe. The pi |
| 6524152 |
Bottom to surface link system comprising a submarine pipe assembled to at least one float |
February 25, 2003 |
| 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 bottom orifices through which the pipe passes, include leakproof joints assembled around the pi |
