Acoustic logging tool

Details Acoustic logging tool Acoustic logging tool

G - Physics

01

V

G01V 1/52 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2330043

A sleeve for an acoustic logging tool has a structure with a window section having fewer bars than a conventional sleeve separated by a slotted region with thin circumferential slots which are stress-relieved at the ends ("dumb-bell" shaped). Steel receiver mounts are provided for hydrophone pressure sensors and this, together with the axially oriented hydrophones makes the tool less susceptible to interfering vibration.

Une gaine pour un instrument de diagraphie acoustique comporte une structure dotée d'une fenêtre comportant moins de barres qu'une gaine classique séparée par une région à fentes circonférentielles minces débarrassées des tensions à leurs extrémités (en forme d'haltères). Des montures réceptrices en acier sont prévues pour les capteurs de pression à hydrophones et rendent, conjointement avec les hydrophones orientés axialement, l'instrument de l'invention moins sensible aux vibrations brouilleuses.

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