Abstract
Abstract
A surface recording, down hole instrument for the detection of external corrosion in oil wells is described. The tool is a non-contacting, eddy-current instrument which measures and records casing wall thickness. Equations are presented which are useful in describing the tool's action. Examples of laboratory and down hole logs are shown demonstrating the tool's response to general thinning, pits, holes, collars, etc. Results of a number of down hole runs representing some 40,000 feet of well logged are discussed.
2.4.2, 8.4.3
Subject
General Materials Science,General Chemical Engineering,General Chemistry
Cited by
10 articles.
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