The use of lamb waves in cement bond logging

Details The use of lamb waves in cement bond logging The use of lamb waves in cement bond logging

E - Fixed Constructions

21

B

E21B 49/00 (2006.01) E21B 33/14 (2006.01) G01N 29/04 (2006.01) G01N 29/11 (2006.01)

Patent

CA 2536446

A method and apparatus useful to determine the integrity of a cement bond log disposed in the annular space between a casing and a wellbore. The method and apparatus induce a Lamb wave in the casing and into the wellbore. The Lamb wave attenuates upon passage through the cement bond log. The integrity of the cement bond log can be determined through an analysis and evaluation of the attenuation results.

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