Device for coupling a receiver system with the wall of a well

Details Device for coupling a receiver system with the wall of a well Device for coupling a receiver system with the wall of a well

1997-08-29

1999-01-26

Dang, Khanh

Acoustics

Geophysical or subsurface exploration

Well logging

3408562, 367 25, 166206, G01V 140

Patent

active

058640991

ABSTRACT:
A device for coupling a receiver system with the wall of a well (1) bored in the ground comprises at least one sensor (11;12) sensitive to vibrations, structure (14,15) for applying the system against the wall of said well at the two ends of the system. A surface for supporting the system against the wall, arranged between the applying structure, has a radius of curvature essentially identical to the radius of curvature of a transverse section of the well so that this contact surface (MN) between said system and the wall follows a portion of a cylinder contained within an arc equal to at least 90.degree..

REFERENCES:
patent: 3182724 (1965-05-01), Shore
patent: 3978939 (1976-09-01), Trouiller
patent: 4898237 (1990-02-01), Wittrisch
patent: 5027918 (1991-07-01), Cole
patent: 5259452 (1993-11-01), Wittrisch
patent: 5318129 (1994-06-01), Wittrisch

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