07663969 is referenced by 1 patents and cites 47 patents.

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.

Title
Use of Lamb waves in cement bond logging
Application Number
11/70037
Publication Number
7663969 (B2)
Application Date
March 2, 2005
Publication Date
February 16, 2010
Inventor
George Alers
San Luis Obispo
CA, US
Ron Alers
San Luis Obispo
CA, US
Vladimir Dubinsky
Houston
TX, US
Douglas Patterson
Spring
TX, US
Joseph Barolak
Spring
TX, US
Alexei Bolshakov
Pearland
TX, US
Xiao Ming Tang
Sugar Land
TX, US
Agent
Bracewell & Giuliani
Assignee
Baker Hughes Incorporated
TX, US
IPC
G01V 1/50
G01V 1/48
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