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Oil-water Well Isolation Imaging and Cementation Quality Evaluation Technology
Scope of Application:
This technology is a applicable for the testing and evaluation of cementation quality of oil gas water well.
 

Principles

Combining the pulse echo imaging and the flexural wave imaging, the isolation scanner obtains the inner wall smoothness, the inner diameter, the thickness and the cement bond condition of the casing, and accurately evaluates the cement type from traditional cement paste and heavy cement paste to light cement paste and foamed cement. With its all-directional measurement which covers the circumference of the casing, the scanner is capable of detecting any channels in the cement, so as to confirm the effectiveness of cement job on hydraulic isolation.

Technical Indicators and Performance Features
 
Performance Features:
1.An abundant of data can be obtained through one logging. 2.Provide real time SLG figure and hydraulic connected graph according to the interpretation of model.
Field Application
At present, the technology has been successfully applied on 21 
wells with a logging success rate of 100%.