Itp Sa

Majus Limited

Jean-Aurélien Damour

Pierre Ollier

Philippe Marchal

Christian Geertsen

Darren Johannson

Guillaume Coeffe

Ludovic Villatte

Guillaume Richard

A coupling for pipe-in-pipe pipeline tubing formed of an assembly of sections each incorporating an inner pipe and an outer pipe butt-welded to the inner pipe, two successive sections being joined together by the welding of respective inner pipes delimiting a segment of inner pipe. The coupling is formed by a sleeve arranged perpendicularly to the segment and a filler material constituted by a quick-set mortar based on aluminous cement and sand, the filler material being arranged in the free space delimited by the sleeve, the segment and the outer pipes of two successive sections.

Coupling for junction of pipe-in-pipe pipeline

A heating installation for hydrocarbon extraction pipes via a well linking the surface to an extraction zone, including a substantially cylindrical casing consolidating the drill hole, a hydrocarbon extraction method and method to enable a hot fluid to be made to circulate from the surface to the well zone to be heated. The injection method includes in the casing first thermally insulated heating tubing to inject the hot fluid from the surface to the required depth and second heating tubing surrounding the first tubing to bring the hot fluid towards the surface and the extraction method includes a pumping tubing surrounding the first and second heating tubing for the extraction of hydrocarbons.

Installation of heating for hydrocarbon extraction pipes

The invention relates to a segment of pipe-in-pipe pipeline comprising an annulus under reduced pressure sealed and delimited by a metallic internal pipe inserted into a metallic external pipe and provided with a measurement system to determine in a non-intrusive manner the state of the annulus, the measurement system being composed of a first internal emitter/receiver assembly placed inside the annulus and cooperating with means to measure a first physical quantity such as pressure, hygrometry or temperature inside the reduced pressure annulus and a second external emitter/receiver assembly arranged to the exterior of the segment and facing said first assembly.

Segment of pipe-in-pipe pipeline and the use of an acoustic transducer measurement system for the reduced pressure annulus

The invention relates to a method of manufacturing a pipe segment for a link tube between the sea floor and a petroleum drilling rig disposed on the sea surface, wherein it consists in:

Method of manufacturing a pipe segment

A segment is fitted by screw-fastening for implementing a fluid transport pipe for transporting a fluid, the pipe including an inner wall and an outer wall, the segment including an inner tube and an outer tube that define an annular space between them. The segment includes in particular one heating duct placed in its annular space and opening out at either end of its annular space, the annular space being designed to be closed hermetically in order to enable it to be brought to a reduced pressure. A method of manufacturing the segment and a method of implementing the fluid transport pipe is described.

Thermally insulated and heated double-walled pipe segment for fitting by screw fastening, and a method of implementing such a pipe segment

A method of commissioning one subsea hydrocarbon well terminating by a wellhead, wherein, from a petroleum drilling rig, the method includes: screwing double-walled pipe segments together in mutual succession to form a thermally insulated floor-to-surface 1 hydrocarbons, and an outer pipe, between which pipes a thermally insulating material is disposed; connecting the floor-to-surface link pipe to wellhead; and extracting the hydrocarbons via the floor-to-surface link pipe to the drilling rig on the surface.

Method and apparatus for producing hydrocarbons from one subsea well

An installation () for continuous application of thermally or electrically insulating material () around an elongate element () having a generally circular cross-section. The installation includes a forcing device (), in form of a conical tube into which the element () is fed simultaneously at the large base end of the conical tube, a sheet (), on which the insulating material () is placed, means for translation of the element through a circular section () of the sheet (), and a device () for depositing of insulating material onto the sheet. Such an installation produces thermally insulated tubes or electrically insulated cables.

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Louveciennes, France

Jean-Aurélien Damour