E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/08 (2006.01) E21B 47/01 (2006.01)
Patent
CA 2671252
The invention relates to a logging probe (2) holding device (3) comprising connection means (4) that can be plugged in at the bottom of the well and comprise a logging cable contained inside the rods (7) to which the holding device is fixed, and fluidic communication means arranged between the inside of the rods and the outside of the holding device, the communication means being located between the probe and the connection means. The device comprises closing means such as check valves, between the communication means and the connection means, said closing means authorising the circulation of the fluid from the inside towards the outside, and preventing the circulation from the outside towards the inside of the holding device.
L'invention concerne un dispositif de support (3) de sonde (2) de diagraphie comportant des moyens de connexion (4) enfichables en fond de puits avec un câble de diagraphie contenu dans l'espace interne de tiges (7) sur lesquelles le support est fixé, des moyens de communication fluidique entre l'espace interne des tiges et l'extérieur du support, les communications étant disposées entre la sonde et les moyens de connexion. Le dispositif comporte, entre les communications et les moyens de connexion, des moyens d'obturation du type clapet anti-retour autorisant la circulation de fluide de l'intérieur vers l'extérieur et interdisant la circulation de l'extérieur vers l'intérieur du support.
Constantinou Georges
Wittrisch Christian
Institut Francais Du Petrole
Robic
Vinci Technologies
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