G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 1/16 (2006.01)
Patent
CA 2522406
The invention relates to a device for measuring seismic waves which is placed in a borehole. The inventive device consists of a module comprising at least one hydrophone (2) and a coupling agent which fills the space between the module and the borehole wall and which immobilises said module. The invention is characterised in that the module comprises a protective resin element (11) in which the hydrophone is embedded, said resin being capable of transmitting the pressure variations resulting from seismic waves.
L'invention concerne un dispositif de mesure d'ondes sismiques placé dans un forage, comportant un module incluant au moins un hydrophone (2), et un agent de couplage qui remplit l'espace entre le module et la paroi du forage et immobilise le module, caractérisé en ce que le module comprend un élément de protection en résine (11) dans lequel est noyé l'hydrophone, la résine étant apte à transmettre les variations de pression résultant d'ondes sismiques.
Loyen Jean-Francois
Meunier Julien
Cggveritas Services Sa
Compagnie Generale de Geophysique
Institut Francais Du Petrole
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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