Geoservices Equipements

Centre National De La Recherche Scientifique

Geoservices

Ecole Superieure D'electricite (supelec)

Bruno Le Briere

Vincent Chatelet

Clement Laplane

Christophe Michaud

François Millet

Jean-Claude Badot

Jean-Pierre Michel Lepine

Abdelkader Didi

Pierre-Yves David

Arlette Fourrier-Lamer

Olivier Dubrunfaut

Emmanuel Bondet De La Bernardie

François Guy Millet

Clément Laplane

The tool includes a bearing member (), a traction assembly () of the object (), movably mounted in a first direction relative to the bearing member (). It includes a plurality of hooking members (), mounted radially mobile relative to the traction assembly () between a contracted configuration and a deployed configuration. The tool comprises means () for keeping each hooking member () in its deployed configuration. It includes unlocking means () that include an elastic stressing member () applied on the holding means (). The elastic stressing member () is capable of being compressed to cause the unlocking of the holding means () and the passage of the hooking members () from their deployed configuration to their contracted configuration.

Tool for extracting an object engaged in a fluid exploitation pipe, extraction device and related method

This device comprises a cable working line bearing a lower assembly and a winch for maneuvering the line. The hydraulic central unit () of the winch includes a tank () for storing a hydraulic control fluid, a pump () for driving the hydraulic fluid, connected to the tank () through an upstream conduit () and at least one hydraulic motor () for driving the drum () connected to the pump () through an intermediate conduit and connected to the tank () through a downstream conduit. The hydraulic central unit comprises a regulator () for the hydraulic fluid flow rate at the outlet of the pump (). The regulator () is driven according to at least one hydraulic fluid pressure depending on the load exerted on the motor () by the rotary drum (), said or each pressure being directly taken on one of said conduits.

Device for intervention in a fluid exploitation well, exploitation installation and associated method

This tool comprises an upper portion and a lower portion able to move relative to each other between a connected position and a completely disconnected position. The tool comprises an immobilization member that can be freed from the upper portion relative to the lower portion, a member for releasing the immobilization member, and a mechanism for moving the release member housed in the tool. The movement mechanism comprises an actuator and a receptor for receiving a control signal.

Intermediate disconnection tool to be placed in a shuttle lowered into a well for exploiting a fluid, and related shuttle and method

A method and device includes measuring a multiple-phase fluid flowing through a pipe. The inventive method includes the following steps in which: a fluid is illuminated using a first coaxial probe placed in contact with the liquid phase of the fluid, and a first electromagnetic wave is emitted at a high frequency. The admittance at the interface between the first probe and the fluid is measured, and the fractions of at least two constituents of the liquid phase are calculated in order to obtain the effective permittivity (&#x2208;) of the phase. The method also includes the following steps in which: the fluid is illuminated using a second coaxial probe and a second electromagnetic wave is emitted at a low frequency. The admittance at the interface between the second probe and the liquid is measured, and the thickness (e) of the liquid is measured. The aforementioned calculation is performed on the basis of the calculated effective permittivity (&#x2208;) and the admittance measured by the second probe.

Method and device for analyzing a multiple-phase fluid by measuring admittance using coaxial probes

The device relates to an installation comprising a cavity extending from the surface of the ground and provided with at least one electrically conductive tubular element. The device comprises a single-strand smooth cable for supporting an action and/or measurement assembly, which cable is electrically conductive and has a breaking strength greater than 300 daN, and is disposed in the tubular element. The surface of the cable is electrically insulated at least in part from said tubular element. The device includes transmitter means and receiver means for transmitting and receiving an electrical and/or electromagnetic signal, said means being situated in the vicinity of the surface and in the cavity, and being electrically connected to the cable and to the tubular element and/or an underground formation. The invention is applicable to transmitting information and to controlling tools in an oil well.

Data transmission device

Growing community of inventors

Paris, France

Bruno Le Briere