G - Physics – 01 – P
Patent
G - Physics
01
P
G01P 5/00 (2006.01)
Patent
CA 2752442
Acoustic measurements made in a borehole using a multipole source are used for imaging a near-borehole geological formation structure and determination of its orientation. The signal to noise ratio (as defined by the ratio of the signal radiated into the formation to the axially propagating signal) depends upon the type of source (force or volume) and its position in the borehole (on the tool, in the fluid or on the borehole wall).
L'invention fait appel à des mesures acoustiques réalisées dans un puits de forage à l'aide d'une source multipolaire pour former l'image de la structure d'une formation géologique proche du puits de forage et en déterminer l'orientation. Le rapport signal sur bruit (tel que défini par le rapport entre le signal rayonné dans la formation et le signal se propageant axialement) dépend du type de source (force ou volume) et de sa position dans le puits de forage (sur l'outil, dans le fluide ou sur la paroi du puits de forage).
Geeritis Tim
Mathiszik Holger
Patterson Douglas J.
Tang Xiao Ming
Zheng Yibing
Baker Hughes Incorporated
Sim & Mcburney
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